AZ5102662 [PANASONIC]
Snap Acting/Limit Switch, SPST, Momentary, 6A, 24VDC, 7.3mm, Screw Terminal, Roller Plunger Actuator, Panel Mount;
| 型号： | AZ5102662 |
| 厂家： | 
PANASONIC |
| 描述： | Snap Acting/Limit Switch, SPST, Momentary, 6A, 24VDC, 7.3mm, Screw Terminal, Roller Plunger Actuator, Panel Mount 开关 |
| 文件： | 总22页 (文件大小：694K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
’06–’07
Limit Switches
These materials are printed on ECF pulp.
These materials are printed with earth-friendly vegetable-based (soybean oil) ink.
Please contact ..........
Matsushita Electric Works, Ltd.
Automation Controls Business Unit
Head Office: 1048, Kadoma, Kadoma-shi, Osaka 571-8686, Japan
Telephone: +81-6-6908-1050
Facsimile: +81-6-6908-5781
http://www.nais-e.com/
Limit Switches
ARCT1B272E ’06.9
All Rights Reserved © 2006 COPYRIGHT Matsushita Electric Works, Ltd.
Specifications are subject to change without notice. Printed in Japan.
ARCT1B272E 200609-1YT
Matsushita Electric Works, Ltd.
VERTICAL TYPE
LIMIT SWITCHES
(INCLUDES LAMP TYPE)
AZ5
Limit Switches
General use vertical limit switch. Type with a lamp which makes maintenance
convenient; either a neon AC powered lamp or an LED DC powered lamp.
2. Lamps that can be used with a wide
range of voltages
• Lead wiring type <Current leakage: 0>
(LED type only)
• Neon lamp
Because the wiring can be made parallel
to the load, current leakage from the
lamp can be reduced to 0. Even with a
slight leak, the electronic circuit incurring
the leak can be used safely.
Comes in two types: 100V AC and
200V AC , sufficient luminosity is
achieved through the diamond-cut lens.
Also with a long lifespan of more than 20
thousand hours.
4. Corrosion-proof, oil-resistant con-
struction
• LED lamp
Covers 6V to 48V and comes in three
types, 6V AC/DC , 12V AC/DC , and
24 to 48V AC/DC . Uses two highly lumi-
nescent LEDs and in addition, sufficient
luminosity is achieved through the dia-
mond-cut lens.
3. Lamp connection can be either
spring type or lead wire type
• Spring type (wiring unnecessary)
(With neon or LED lamp type)
Wiring is unnecessary because the lamp
is directly connected to the terminals. By
simply changing the direction of the lamp
cover, it is possible to display both lights
during operation (normally closed side)
and no operation (normally open side.)
The protective construction is corrosion-
proof (conforms to IP67.) Also, the lens
and cover are formed simultaneously
with the lamp type, and moreover, a
nameplate is affixed to the upper sur-
face, thereby improving the already-
excellent waterproof capabilities.
Standard type
Roller arm
With lamps
Adjustable roller arm
RoHS Directive compatibility information
http://www.nais-e.com/
TYPICAL APPLICATIONS
Conveyer equipment, conveyer belts,
plant facilities, cranes, cleaning plants,
etc. The LED lamp type is also compati-
ble with both PC and computer direct
current low voltage control circuits.
FEATURES
1. Can be mounting either front or
back.
(
)
4-M6 P=1.0
Tapping for the M6
attachment bolt
4-5.2 .205 diahole.
Through-hole for the M5
attachment bolt
PRODUCT TYPE
1. Standard type
Actuator
Part No.
AZ5101
AZ5102
Push plunger
Roller plunger
Standard type
AZ5104
AZ5124
AZ5105
AZ5106
AZ5107
AZ5127
AZ5108
AZ5128
Roller arm
O.T. amplified type
Yoke
Flexible
Standard type
Adjustable rod
Adjustable roller arm
O.T. amplified type
Standard type
O.T. amplified type
2. With neon lamp
Lamp rating
Lamp connection
Actuator
100V AC
200V AC
Part No.
Push plunger
Roller plunger
AZ510141
AZ510241
AZ510441
AZ512441
AZ510541
AZ510641
AZ510741
AZ512741
AZ510841
AZ512841
AZ510142
AZ510242
AZ510442
AZ512442
AZ510542
AZ510642
AZ510742
AZ512742
AZ510842
AZ512842
Standard type
Roller arm
O.T. amplified type
Yoke
Spring type
Flexible
Standard type
Adjustable rod
O.T. amplified type
Standard type
Adjustable roller arm
O.T. amplified type
61
AZ5
3. With LED
Lamp rating
Part No.
Lamp connection
Actuator
12V DC
24 to 48V DC
Push plunger
Roller plunger
AZ5101161
AZ5102161
AZ5104161
AZ5124161
AZ5105161
AZ5106161
AZ5107161
AZ5127161
AZ5108161
AZ5128161
AZ5101661
AZ5102661
AZ5104661
AZ5124661
AZ5105661
AZ5106661
AZ5107661
AZ5127661
AZ5108661
AZ5128661
AZ510116
AZ510216
AZ510416
AZ512416
AZ510516
AZ510616
AZ510716
AZ512716
AZ510816
AZ512816
AZ510166
AZ510266
AZ510466
AZ512466
AZ510566
AZ510666
AZ510766
AZ512766
AZ510866
AZ512866
Standard type
Roller arm
O.T. amplified type
Yoke
Spring type
Flexible
Standard type
Adjustable rod
O.T. amplified type
Standard type
Adjustable roller arm
O.T. amplified type
Push plunger
Roller plunger
Standard type
Roller arm
O.T. amplified type
Yoke
Lead wire type
Flexible
Standard type
Adjustable rod
O.T. amplified type
Standard type
Adjustable roller arm
O.T. amplified type
Note) Cadmium free contact types are available on a custom-made basis. Please add an “F” to the end of the part number when ordering.
LED rating 6V DC type is available. When ordering, add suffix 162 (spring type) or 662 (lead wire type) to the standard part No..
SPECIFICATIONS
1. Rating
2. Characteristics
1) Standard type
Contact arrangement
Initial contact resistance, max.
Contact material
1 Form A 1Form B
Motor or lamp load
15mΩ (By voltage drop 6 to 8V DC 1A)
Silver
Types of
load
Rated load
Resistive Inductive
load load
(cos φ]1) (cos φ]0.4)
N.C.
contact contact
N.O.
Initial insulation resistance (At 500V DC) Min. 100MΩ
125V AC
250V AC
500V AC
125V DC
10A
6A
6A
4A
4A
2.5A
0.75A
–
2A
1.2A
0.5A
–
1,000Vrms for 1 min Between non-consective terminals
2,000Vrms for 1 min Between dead metal parts and each terminal
2,000Vrms for 1 min Between ground and each terminal
294m/s2 {30G}
Initial breakdown voltage
2A
1.2A
0.1A
Shock resistance
0.8A
Standard type: Max. 55Hz
Type with indicator: 10 to 50 Hz, double amplitude of 1.5mm
Vibration resistance
2) Type with lamp
Mechanical
Electrical
107 (at 60 cpm)
Expected life
5ꢀ105 (at 20 cpm, rated load)
(Min. operations)
Resistive load Inductive load
Rated con-
(cos φ]1) (cos φ]0.4)
trol voltage
125V AC
240V AC
24V DC
Standard type: –5 to +80°C +23 to +176°F
With indicator: –5 to +60°C +23 to +140°F
Ambient temperature
6A
4A
–
10A
6A
With neon
lamp
Ambient humidity
Max. 95%R.H.
120 cpm
With LED
6A
Max. operating speed
3. Operating characteristics
4. Protective characteristics
Repeat
Accuracy of
Totaltravel
Operating
Protective
AZ5
limit switches
(Standard type)
ꢀ
AZ5 limit switches
(With lamp)
Movement
Characteristics
O.F. (N
Pretravel
(P.T.), max.
mm inch
Overtravel
(O.T.), min.
mm inch
construction
R.F. (N
Differential
(M.D.), max.
mm inch
IEC
IP60
IP64
IP67
(neon/LED)
{gf}) max. {gf}) min.
(T.T.), min.
Actuator
Position, max.
1
ꢀ
ꢀ
ꢀ
mm inch
*
Push plunger
Roller plunger
26.67 {2,720} 8.92 {910} 1.7 .067
26.67 {2,720} 8.92 {910} 1.7 .067
1.0 .039
1.0 .039
12°
6.4 .252
–
–
0.1 .004
ꢀ
ꢀ
5.6 .220
0.1 .004
Standard type 13.34 {1,360} 2.23 {227} 15° 5°
–
–
–
–
–
–
–
–
45°
90°
90° 10°
–
1°
1°
–
Roller arm
O.T. amplified type 8.83 {900} 0.49 {50}
25° 5°
15°
Yoke
8.90 {908} 8.90 {908} 50° 5°
–
5. Lamp rating
Flexible*2
1.39 {142}
–
20 10 .787 .394
15° 5°
–
–
Rated operat-
Operating
Internal
Types
Standard type 1.39 {142} 0.27 {28}
O.T. amplified type 2.39 {244} 0.14 {14}
12°
45°
90°
45°
90°
1°
1°
1°
1°
Adjustable
ing voltage voltage range resistance
3
rod
*
25° 5°
15°
100V AC
80 to 120V AC
120kΩ
240kΩ
2.4kΩ
4.7kΩ
15kΩ
neon lamp
Standard type 13.34 {1,360} 2.23 {227} 15° 5°
O.T. amplified type 8.83 {900} 0.49 {50} 25° 5°
12°
Adjustable
200V AC 160 to 240V AC
6V AC/DC 5 to 15V AC/DC
4
roller arm
*
15°
*1) Value between max. and min. value in the operating position at 20 cpm, no-load
*2) Measured at the position within 5mm from the top of actuator.
*3) O.F., R.F.: measured at the center distance of 135mm 5.315inch.
*4) O.F., R.F.: measured at the center distance of 38mm 1.496inch.
*5) For the operating characteristics, refer to the TECHNICAL INFORMATION.
LED lamp 12V AC/DC 9 to 28V AC/DC
24 to 48V AC/DC 20 to 55V AC/DC
FOREIGN STANDARD
Standard
Applicable product
: E99838
: 10A, 1/2HP, 125V AC
6A, 1/2HP, 250V AC
Part No.
Notes
File No.
Ratings
Add “9” to the end of the standard Please ask about the price. Comes
part No. fitted with an earth pin.
UL recognized product
Product type : standard model only
62
AZ5
WIRING DIAGRAM
Output circuit
Terminal
N.O.1
N.C.1
N.O.2
N.C.2
N.O.1
N.C.1
N.O.2
N.C.2
mm inch
General tolerance: 0.4 .016
DIMENSIONS
• Push plunger
Standard type
17 dia.
.669
25.8
1.016
25.8
1.016
Stainless steel
plunger
Stainless steel
plunger
9.2 0.2 dia.
.362 .008
(
)
Pretravel P.T.
13.1 0.4
.516 .016
13.1 0.4
.516 .016
max. 1.7 .067
3-M4ꢀ12
cover screw
Operating
Max.
29.5
1.161
(
)
position 0.P.
25.0
.984
25.0
.984
33.8 0.8
1.331 .031
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
min. depth of 15 .591
mounting holes
4-5.2+–00.2 dia. mounting holes
4.6 min.
.181
G1/2 conduit
G1/2 conduit
Depth min. 7
Depth min. 7
21.6
.850
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
.193 .016
28.7 0.5
28.7 0.5
1.130 .020
40
1.575
1.130 .020
35
1.378
35
1.378
40
1.575
42.5
1.673
AZ5101
Standard
With lamp
General tolerance: 0.4 .016
• Roller plunger
Standard type
25.8
25.8
1.016
1.016
13.1 0.4
13.1 0.4
.516 .016
.516 .016
17 0.4 dia. stainless steel roller
.669 .016
17 dia.
.669
17 dia.
.669
(
)
Pretravel P.T.
5
0.4
5 0.4
.197 .016
max. 1.7 .067
.197 .016
4-M3.5ꢀ12
Mounting screw
4-M3.5ꢀ12
Mounting screw
TTP
Operating
3-M4ꢀ12
cover screw
(
)
position 0.P.
Max.
33.1
1.303
33.1
1.303
43.8 0.8
1.724 .031
29.5
1.161
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
min. depth of 15 .591
mounting holes
4-5.2+0.2 dia. mounting holes
0
4.6 min.
.181
G1/2 conduit
Depth min. 7
G1/2 conduit
Depth min. 7
21.6
.850
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
.193 .016
AZ5102
28.7 0.5
28.7 0.5
40
1.575
1.130 .020
1.130 .020
35
1.378
35
1.378
40
1.575
42.5
1.673
Standard
With lamp
General tolerance: 0.4 .016
• Roller arm
Standard type
Roller arm can be
assembled in the
opposite direction
Roller arm can be
assembled in the
opposite direction
58.6
58.6
2.307
2.307
53.5
53.5
17.5 0.4 .689 .016 dia.
stainless steel roller
2.106
2.106
46.5
1.831
46.5
1.831
(
Roller can be set in any
39.5
1.555
7
04
39.5
1.555
)
position through 360°
.276 .157
7
04
Arm fixing range for
setting up the roller arm
in the opposite direction
26
26
.276 .157
R38.1 0.5
1.5 .020
1.024
1.024
13.1 0.4
.516 .016
13.1 0.4
.516 .016
3-M4ꢀ12
4-M3.5ꢀ35
Head mounting screw
4-M3.5ꢀ35
Head mounting screw
M5ꢀ11
Screw with
hexagonal hole
Cover screws
(
)
(
)
M5ꢀ11
L90°
R90°
30.5
1.201
30.5
1.201
Screw with
hexagonal hole
14.7
.579
∗∗
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
4-5.2+0.2 dia.
0
min. depth of 15 .591
mounting holes
mounting holes
4.6 min.
.181
AZ5104
AZ5124 (O.T. amplified)
Weight: 250g
G1/2 conduit
Depth min. 7
21.6
.850
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
.193 .016
G1/2 conduit
Depth min. 7
28.7 0.5
28.7 0.5
1.130 .020
40
1.575
1.130 .020
35
1.378
35
1.378
40
1.575
42.5
1.673
53.4 0.8
2.102 .031
53.4 0.8
2.102 .031
∗∗Dimension: AZ5104 . . . 14.7 (.059)
Standard
With lamp
AZ5124 . . . 16.2 (.638)
63
AZ5
64.3
64.3
mm inch
• Yoke
2.531
2.531
(
(
)
(
)
59.2
59.2
)
(
)
2.331
2.331
2-17.5 0.4 dia.
42.8 3.5
1.685 .138
42.8 3.5
1.685 .138
Standard type
stainless steel roller
7
04
7
04
26
1.024
26
1.024
Reverse roller
Rotating rang 270°
.276 .157
.276 .157
R38.1 0.5
1.50 .020
M5ꢀ11 screw with
hexagonal hole
13.1 0.4
.516 .016
13.1 0.4
.516 .016
(
)
4-M3.5ꢀ35
Head mounting screw
4-M3.5ꢀ35
Head mounting screw
Fix the arm so that
the reverse roller
can turn within the
rotating range
39.4
1.551
39.4
1.551
14.7
.579
Reverse roller
3-M4ꢀ12
cover screws
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
min. depth of 15 .591
mounting holes
4-5.2+0.2 dia. mounting holes
0
4.6 min.
.181
21.6
.850
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
.193 .016
G1/2 conduit
Depth min. 7
G1/2 conduit
Depth min. 7
28.7 0.5
28.7 0.5
40
1.575
1.130 .020
1.130 .020
35
1.378
35
1.378
AZ5105
40
1.575
42.5
1.673
With lamp
59.4
59.4
2.339
The automatic reverse rotating position of arm
is within the range of 40° to 60° from free position.
2.339
Standard
General tolerance: 0.4 .016
Switch movable
in any direction
13.1 0.4
13.1 0.4
.516 .016
• Flexible rod
Standard type
.516 .016
(
but not in the
Max. 6.7 dia.
.264
Max. 6.7 dia.
.264
)
vertical direction
Nylon rod
Nylon rod
25
.984
26
1.024
26
1.024
140 1.5
5.512 .059
Ruber cap and
fixing belt
3-M4ꢀ12
cover screws
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
4-5.2+0.2 dia.
0
min. depth of 15 .591
mounting holes
mounting holes
4.6 min.
.181
G1/2 conduit
Depth min. 7
G1/2 conduit
Depth min. 7
21.6
.850
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
.193 .016
28.7 0.5
28.7 0.5
40
1.575
1.130 .020
1.130 .020
AZ5106
35
1.378
35
1.378
40
1.575
42.5
1.673
With lamp
Standard
General tolerance: 0.4 .016
6.4
.252
• Adjustable rod
46
1.811
48.1
1.894
Standard type
26
1.024
26
1.024
13.1 0.4
.516 .016
13.1 0.4
Adjustable
lenght of rod
.516 .016
(
)
max. 141
4-M3.5ꢀ35
4-M3.5ꢀ35
Head mounting screw
Head mounting screw
30.5
1.201
30.5
1.201
14.7
.579
∗∗
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
3-M4ꢀ12
cover screws
AZ5107
min. depth of 15 .591
mounting holes
AZ5127
(O.T. amplified)
Weight: 252g
4.6 min.
.181
21.6
.850
G1/2 conduit
Depth min. 7
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
G1/2 conduit
Depth min. 7
.193 .016
28.7 0.5
28.7 0.5
40
1.575
4-5.2+0.2 dia.
mounting holes
1.130 .020
1.130 .020
0
35
1.378
35
1.378
40
1.575
42.5
1.673
53.4 0.8
2.102 .031
53.4 0.8
2.102 .031
With lamp
∗∗Dimensions: AZ5107 . . . 14.7 .578
AZ5127 . . . 16.2 .638
Standard
General tolerance: 0.4 .016
17.5 0.4 dia.
• Adjustable roller arm
Standard type
64.8 0.8
66.4 1.2
Nylon roller
Roller lever can be
assembled in the
opposite direction
Roller lever can be
assembled in the
opposite direction
2.551 .031
2.614 .047
(
Roller can be set in any
)
59.7 1.2
2.350 .047
61.3 1.2
2.413 .047
position through 360°
49.3 1.2
50.9 1.2
1.941 .047
2.004 .047
26
7
04
7
04
26
.276 .157
.276 .157
1.024
1.024
13.1 0.4
.516 .016
13.1 0.4
.516 .016
Adjustable lenght of arm
(
)
25 to 90
4-M3.5ꢀ35
Head mounting screw
4-M3.5ꢀ35
Head mounting screw
M4 fastening screw
M4 fastening screw
M5 fastening nut
30.5
1.201
30.5
1.201
14.7
.579
∗∗
M5 fastening nut
Operation indicator
(for type with lamp)
(
)
4-M6 P= 1.0 tapped
min. depth of 15 .591
mounting holes
3-M4ꢀ12
58.7 0.2
2.311 .008
(
)
4-M6 P= 1.0
cover screws
min. depth of 15 .591
mounting holes
3.2
.126
3.2
.126
4.6 min.
.181
21.6
.850
G1/2 conduit
Depth min. 7
21.6
.850
30.2 0.2
1.189 .008
4.9 0.4
G1/2 conduit
Depth min. 7
.193 .016
28.7 0.5
28.7 0.5
40
1.575
4-5.2+0.2 dia.
mounting holes
1.130 .020
1.130 .020
0
35
1.378
35
1.378
AZ5108
AZ5128 (O.T. amplified)
40
1.575
42.5
1.673
56.1 0.8
2.209 .031
56.1 0.8
2.209 .031
With lamp
∗∗Dimensions: AZ5108 . . . 14.7 .579
AZ5128 . . . 16.2 .638
Standard
General tolerance: 0.4 .016
64
AZ5
Arm Setting Position
The roller arm of the arm types (AZ5104,
AZ5105, AZ5107, AZ5108, AZ5124,
AZ5127, AZ5128 and each type with
lamp) can be set in any position through
360°.
Head Block Direction
1. The head block of the arm types
(AZ5104, AZ5105, AZ5107, AZ5108,
AZ5124, AZ5127, AZ5128 and each type
with lamp) can be set in any of four
directions.
2. The head block of the roller plunger
type (AZ5102) can be set in two direc-
tions. Remove the four bushing screws,
and set the head in a desired direction.
Loosen the arm fastening hex. bolt, repo-
sition the arm, and retighten the hex.
bolt.
Loosen four screws on the head, and set
the head in a desired direction.
At this time, change the operation
plunger orientation at the same time.
M5 Screw with
hexagonal hole
3-M4ꢀ12
cover screw
14.7
Operating Direction
1) Both direction
2) Clockwise
3) Counterclockwise
The arm of AZ5104, AZ5107, AZ5108
and each type with lamp can be set to be
operate electrically either to both direc-
tions or only to the right or the left.
Remove the head block, turn the notch
of a operating plunger counterclockwise
in 90°, and retighten the head block.
Remove the head block, turn the notch
of a operating plunger clockwise in 90°,
and retighten the head block.
*O.T. amplified types “AZ5124, AZ5127
and AZ5128”: only both directions
Roller Direction
REVERSE MOUNTING
When a switch is mounted from the
reverse side of a panel, use the mount-
ing holes in the body.
The roller of the arm types (AZ5104,
AZ5108, AZ5124, AZ5128 and each type
with lamp) can be mounted on the front
and rear side. To set the roller on the
rear side, remove the arm fastening hex.
nut, and reinsert the arm so as to face
the roller in the rear direction.
Then, retighten the hex. nut.
(
)
Ex.
AZ5104
4-M6
(P = 1.0)
Min. depth of
15mm mounting
holes
65
AZ5
LAMP LIGHTING CIRCUIT
1. Spring type
1) When connecting load to N.O. side:
When the switch is at free position, the
lamp is lit, and when the switch operates,
the lamp turns off.
(Use the lamp holder in the same condi-
tion as when it was at the time of ship-
ment.)
2) When connecting load to N.C. side:
When the switch is at free position, the
lamp turns off, and when the switch
operates, the lamp is lit.
(Use the lamp holder, changing it dire-
cion by 180°.)
3) When connecting loads to both N.O.
and N.C. sides:
Same as in 1).
(Use the lamp holder in the same condi-
tion as when it was at the time of ship-
ment. In this case, it is impossible to use
it, changing its direction by 180°.)
<With Neon lamp>
<With Neon lamp>
<With Neon lamp>
Built-in switch
Neon lamp Resistor
Neon lamp
Resistor
3
4
3
4
N.O.
N.C.
3
4
N.O.
N.C.
Load
N.O.
N.C.
Load
Load
Load
1
2
1
2
1
2
Resistor
Neon lamp
Built-in switch
AC power source
Built-in switch
AC power source
AC power source
<With LED lamp>
<With LED lamp>
<With LED lamp>
LED
LED
Resistor
Resistor
Built-in switch
3 N.O.4
N.O.
N.C.
Load
Load
N.O.
N.C.
Load
3
1
4
2
3
1
4
2
N.C.
Load
1
2
Built-in switch
Built-in switch
Resistor
LED
Power
source
Power
source
Power
source
No polarity
No polarity
No polarity
2. Lead wire type (only for types with LED)
1) When giving indication on N.O. side
and N.C. side:
Operation is same as that in the case of
the spring type. However, when load is
connected to both N.O. side and N.C.
side, indication can be given on both
N.C. side and N.O. side.
2) When the indication circuit is connect-
ed with load in parallel:
Load performs the same operation as
the indication circuit does.
(When load operates, the lamp is lit, and
when load is turned off, the lamp goes
out.)
• More loads than for one circuit connot
be controlled.
LED
N.O.
Resistor
4
3
1
Load
N.C.
2
Built-in switch
• There is no leakage current.
Power
source
No polarity
CAUTIONS
1. Please use the lamp connection circuit
within the lamp ratings.
2. Nylon is used for a lamp cover. Avoid
using in the atmospheres containing acid
substance.
3. The lamp cover cannot be installed on
previous limit switches.
4. Remove the lamp holder with a v dri-
ver, and insert it in the opposite direction.
66
AZ5
CAUTIONS
1) This model uses silver terminals.
Therefore, if used at relatively low fre-
quencies for long periods of time, or if
used with very small loads, the oxidiza-
tion that forms on the contact surfaces
will not wear away and eventually cause
improper contact. For such applications,
use limit switches with gold/metal con-
tacts (e.g. VL limit switches) or ones
meant for small loads (e.g. HL limit
switches).
4) To improve reliability during actual
use, it is recommended that the opera-
tion be checked under installation condi-
tions.
5) If OT is too big, the life of limit switch
will be shortened switching friction. Use it
with enough margin of OT. 70% of OT
standard value will be good for use.
6) Do not use the switch in a silicon
atmosphere. Case should be taken
where organic silicon rubber, adhesive,
sealing material, oil, grease or lead wire
generates silicon.
8) Avoid use in excessively dusty envi-
ronments where actuator operation
would be hindered.
9) When used outdoors (in places where
there is exposure to direct sunlight or
rain such as in multistory car parks) or in
environments where ozone is generated,
the influence of these environments may
cause deterioration of the rubber materi-
al. Please consult us if you intend to use
a switch in environments such as these.
10) Do not store in places where organic
gas might be generated or in places of
high dust content or high humidity.
2) This switch is not designed for under-
water use. Do not use the unit under-
water.
3) Do not use the switch where it may
come in direct contact with organic sol-
vents, strong acids, strong alkaline liq-
uids or stream, or in atmospheres con-
taining flammable or corrosive gases.
7) To protect against entry of foreign
matter from the outside, we recommend
sealing as much as possible using con-
duit connectors.
67
SELECTOR CHART
Classification
Subminiature size
Compact size
HL (AZH)
Limit Switches
(Die cast case)
HL (AZH)
Limit Switches
(Die cast case)
HL (AZH)
Limit Switches
(Plastic case)
ML (AZ7)
Limit Switches
(standard)
ML (AZ7)
SL (AZ3) Micro
Limit Switches
Product name
Limit Switches
(Epoxy-Sealed terminal type)
Appearance
Head code
AZH20
22
AZH10
12
AZ3
AZH23
AZ7
AZ7
• A limit switch with
• High sealability that • High sealability that • Bifurcated type
high-density mounting satisfies IEC IP67. satisfies IEC IP67. available.
• Wiring is screw-ter- • Less wiring, less
• Switches installed
with both economical
and compact Z-basic
microswitches and
• An ML compact limit
switch with an
epoxy-sealed case
that completely
that improves stroke
capacity through an
O.T. absorption-type • Bifurcated type also
spring.
• Perfect for applica-
tions that prioritize
economy.
minal type.
installation connec-
tor type.
• LED lamp type also
available.
Feature
limit switch protective encloses the
available.
construction.
• Coil spring system
provides long life.
terminal.
• LED lamp type also
available.
Rubber-cover type Socket with cord type
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
–
ꢀ
ꢀ
–
ꢀ
ꢀ
Dust-proof type IP60
Abrasion-proof type IP64
Surge-proof type IP65
Corrosion-proof type IP67
ꢀ
–
–
–
–
–
–
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
ꢀ
–
ꢀ
–
–
–
–
–
–
–
–
–
ꢀ
–
ꢀ
–
ꢀ
–
Oil-resistant type
–
Neon
LED
–
ꢀ
ꢀ
(with LED lamps)
[Bifurcated type]
–
–
–
–
[Standard type] [Bifurcated type]
[Standard type] [Bifurcated type]
5A125V AC
5A250V AC
5A8V DC
0.1A125V AC
0.1A8V DC
5A125V AC
0.1A125V AC
0.1A8V DC
4A250V AC
without LEDlamps with LEDlamps 5A250V AC
0.1A125V AC 0.1A24V AC
0.1A8V DC
0.1A14V DC
0.1A30V DC
10A250V AC
10A125V AC
0.4A115V DC
10A250V AC
10A125V AC
0.4A115V DC
Ratings
(load resistance)
4A125V AC
4A30V DC
0.1A14V DC
0.1A30V DC
5A8V DC
0.1A14V DC
0.1A30V DC
5A14V DC
5A14V DC
5A30V DC
5A30V DC
0.5A125V DC
0.25A250V DC
0.5A125V DC
0.25A250V DC
0.1A 125V DC
107
105
107
5x105
107
5x105
107
5x105
107
2x105
107
2x105
Mechanical
Life
(Min.ope.)
Electrical
0. 98N {100gf}
1. 96N {200gf}
(short lever type)
2. 94N {300gf}
2.45N {250gf}
3. 92N {400gf}
11.8N {1,200gf}
(Plunger type)
2.45N {250gf}
3.92N {400gf}
11.8N {1,200gf}
(Plunger type)
1.47N {150gf}, 1.77N {180gf}, 1.47N {150gf}, 1.77N {180gf},
1.96N {200gf}, 2.16N {220gf}, 1.96N {200gf}, 2.16N {220gf},
2.35N {240gf}, 2.75N {280gf}, 2.35N {240gf}, 2.75N {280gf},
Operating force
(max.)
(hinge lever type)
2.45N {250gf}
3. 92N {400gf}
5.88N {600gf} max.
5.88N {600gf} max.
Available
actuators
• Rubber cover (Solder
and quick connect
(#110) terminal)
Vinyl cabtire cable
(1m 3.281ft)
Terminals
Wiring
Screw terminal
Cabtire code
Connector terminal
Cabtire code
Screw terminal
Cabtire code
Screw terminal
Cabtire cable
• Socket with cord
Cabtire code
Cabtire cable
Cross-angled wiring
28 ꢀ 14mm
1.102 ꢀ .551inch
(M4 screw)
Mounting pitch
(Applicable screw)
33mm 1.299inch
(M4 screw)
33mm 1.299inch
(M4 screw)
33mm 1.299inch
(M4 screw)
25.4mm 1.000inch
(M4 screw)
25.4mm 1.000inch
(M4 screw)
Available standards
UL, CSA
P.13
UL, CSA, TÜV, CE
P.18
UL, CSA, TÜV, CE
P.18
UL, CSA, TÜV, CE
P.18
UL, C-UL, TÜV, CE
P.33
–
Page
P.33
Note: Excludes limit switch replacement parts
ꢁ Actuators
Push plunger
Roller plunger
Cross-roller plunger
Roller arm
Adjustable roller arm
Adjustable rod
Fork
Spring wire
Flexible rod
Hinge lever
Roller lever
One-way roller lever
Roller lever
Short
Short
Long
Short
Long
Long
2
Subminiature size
vertical type
Classification
Product name
Compact size vertical type
Vertical type
Touch type
Door switch
QL (AZ4) Micro
Limit Switches
DL (AZD1) Mini
Limit Switches
VL (AZ8) Mini
Limit Switches
AZ5
Limit Switches
VL-T Mini Touch
Limit Switches
Compact
Magnelimit
Magnelimit
Appearance
Head code
AZ4
AZD1
AZ8
AZ5
AZ84
AZC3
AZC1
• A subminiature, highly accu-
rate limit switch with built-in
environment-proof functions.
• Cord extraction can be
changed in four directions,
due to the dedicated L socket.
• LED lamp can also be
attached.
• Excellent safety even if the • In addition to the
• Built-in dedicated • Operate just by
• Secured by magnet • Secured by magnet
contact point is welded,
due to the forced contact
opening mechanism.
• Block mount system makes
parts replacement easy.
• Conforms to DIN stan-
dards.
characteristics of
stand mounted limit (1 Form A
switches, is com- 1 Form B).
pact, easily instal- • Different types of
lable, highly reli-
able, lightweight,
and economical.
circuit breaker
touching lightly.
•
Built-in switch detection
•
Built-in switch detection
• Comes with sen-
sitivity adjustment Dual-role switch in
Dual-role switch in
one unit.
Feature
function and indi-
one unit.
actuator avail-
able.
cates operations. • Safe design prevents • Construction possi-
• VL type touch
limit switch
operator making
errors.
ble with 100V AC
power.
L socket type
Socket with cord type
ꢀ
ꢀ
ꢀ
ꢀ
–
ꢀ
ꢀ
–
ꢀ
ꢀ
–
ꢀ
ꢀ
–
Dust-proof type IP60
Abrasion-proof type IP64
Surge-proof type IP65
Corrosion-proof type IP67
–
–
–
–
–
–
–
–
–
ꢀ
ꢀ
ꢀ
ꢀ
–
ꢀ
–
–
1) ꢀ
ꢀ
ꢀ
–
–
–
–
ꢀ
–
ꢀ
–
ꢀ
ꢀ
–
Oil-resistant type
–
ꢀ
ꢀ
ꢀ
ꢀ
Neon
LED
–
–
–
–
–
–
ꢀ
ꢀ
–
–
–
[Standard type] [With lamp type]
[Standard type] [With lamp type]
Input voltage
12-24V DC
Output current
150mA
2)
5A250V AC
5A125V AC
[Neon lamp type] 10A125V AC [Neon lamp type]
5A 240V AC
6A250V AC
6A380V AC
5A24V DC
5A 125V AC
5A 250V AC
5A 30VDC
Ratings
(load resistance)
5A (2A) 125V AC
5A (2A) 250V AC
5A (2A) 30VDC
6A250V AC
2A500V AC
0.8A125V DC
10A 125V AC
6A 240V AC
[LED lamp type]
6A 24V DC
5A250V AC
0.4A125V DC 5A 125V AC
[LED lamp type]
3A 24V DC
107
3x105
107
1.5x105
107
3x105
107
5x105
107
105
5x104
105
5x104
Mechanical
Life
(Min.ope.)
Electrical
–
6.86N {700gf}
(Plunger type)
1.11N {113gf}, 4.41N {450gf}
(Arm type)
0.88N {90gf},
5.88N {600gf},
8. 83N {900gf},
19.16N {2,000gf}
Operating force
(max.)
(hinge lever type)
6.37N {650gf}
4.90N {500gf}
3.29N {400gf}
1.39N {142gf}
26.67N {2,720gf}
–
–
3.43N {350gf}
Available
actuators
Free attachment
Screw terminal
• L socket (Solderand Screw terminal
quick connect
(#110) terminal)
• Socket with code
(Conduit connec-
tors: PF: 1/2, PG:
13.5 types)
Tab #110 terminal
Lead wire
Terminals
Wiring
Screw terminal
Screw terminal
Screw terminal
Cabtire cord
Cabtire cord
Cap tire cable
Cabtire cable
(wiring type)
Cabtire cord
Cabtire cable
Cabtire code
Cabtire code
Cabtire cord
14 ꢀ 28mm
22 ꢀ (47mm)
21 ꢀ 56mm
30.2 ꢀ 58.7mm
21 ꢀ 56mm
827 ꢀ 2.205inch
(M4 screws)
Mounting pitch
(Applicable screw)
30mm 1.181inch
(M3)
52mm 2.047inch
(M4)
.551 ꢀ 1.102inch .866 ꢀ 1.850inch .827 ꢀ 2.205inch 1.189 ꢀ 2.311inch
(M4 screws)
(M4 screws)
(M4 screws)
(M5 screws)
Available standards
UL, CSA
P.38
UL, C-UL, TÜV, CE UL, C-UL, TÜV, CE
P.44 P.52
UL
–
UL, C-UL
P.72
UL, C-UL, CE
P.74
Page
P.61
P.68
Notes: 1) Excludes exposed part of terminals, externally mounted components, and magnet catches.
2) Figures in parentheses ( ) indicate rated current of water-resistant type.
ꢁ Other listed products
Product name
PS Hall Sensors
Appearance
AN9
Detector distance 2.5mm .098inch
• Magnetic detector type subminiature sensor
Feature
• Perfect for slide table limiting
• Economical price with operating display lamp attached.
Page
P.76
3
ACTUATOR SELECTION
Pretravel Overtravel Operating
Vibration
shock
Type
Classification
Accuracy
Characteristics
(P.T.)
(O.T.)
force (O.F.)
High-level accuracy gives firm detection for position
fixing, etc., by using perpendicular movement.
Push plunger type
Small
Medium
Large
Excellent
Excellent
Roller plunger type
(includes cross
roller plunger)
Operating range can be widened by mounting
Excellent accessory actuators like cams, dogs, cylinders, etc.
High-level detection for position fixing.
Small
Medium
Large
Large
Medium
Medium
Medium
Medium
Small
Excellent
The stroke in the direction of revolution is large at
between 45° and 90° and the lever angle can be set
Excellent at will to within 360° for easy use. Wide angle type
(large O.T.) available. Can be used for wide-range
position fixing.
Small to
large
Good to
excellent
Roller arm type
Adjustable roller
arm type
Small to
large
Good to
excellent
Lever length can be altered to allow rough operation
Good
Large
detection using the roller lever characteristics.
Wide range of operations, and convenient for
uneven mountings. Lightest operation among the
Adjustable rod type
Large
Large
Large
Good
Good
revolving operation type of limit switches. Rod length
is adjustable, and bending is also easy.
If operated up to 55° position, revolves automatically
to retain 90° position. Two dog operation enables
Fork
Medium
Large
Good
Excellent
recovery operation through single dog, or for any-
thing that has caused the roller position to slip.
Excluding the thread direction, direction can be
adjusted up to 360°. Operating power is the lowest
of the limit switches, and is effective in detecting
when direction and conditions are uneven. In order
to absorb the movements after operation in the actu-
ator part, work slippage tolerances are also large.
Spring wire and
flexible rod
Medium
Large
Possible
Possible
Possible
Possible
Possible
Possible
Using a low speed, low torque cam, the lever can
assume various shapes suited to the operation. The
lever is very sturdy.
Hinge lever type
Roller lever type
Medium
Medium
Medium
Medium
Small
Possible
Possible
Possible
Possible
Suited to high speed cams through the attachment
of a hinge roller lever.
Large
Small
Operation is possible with both hinge lever type and
one way operation, but the roller will break if operat-
ed in the opposite direction, rendering the unit inop-
erable. Can be used to prevent opposite direction
movement.
One way roller lever
type
Medium
Medium
Medium
Medium
Roller lever type
The roller position can be changed.
4
TECHNICAL INFORMATION
ꢀ Standard glossary
ꢀ CONSTRUCTION
ꢀ OPERATING CHAR-
Fixed rating values
Actuator
ACTERISTICS
•
•
The values that guarantee the stan-
dards for the limit switch characteris-
tics and functions. For example, the
rated current and rated voltage,
which are preset conditions (load
type, current, voltage, frequency,
etc.)
This part directly detects movement
of the dog, cam, and so forth in the
operating unit, and transmits external
force to the changeover mechanism,
thereby engaging the moveable con-
tact and operating the switch.
Operating Force (O.F.)
•
The force required to cause contact
snap-action. It is expressed in terms
of force applied to the actuator.
Release Force (R.F.)
•
The force to be applied to the actua-
tor, at the moment contact snaps
back from the operated position to
unoperated position.
Headblock
An independent part of the actuator
mechanism of the Limit Switch.
•
Operating object
•
The mechanism and mountings that
operate the limit switch actuator.
Used for mechanical operators
such as cams and dogs.
Wiring vent (cord vent)
•
Pretravel (P.T.)
•
The seal on the wiring at the mouth
of the wiring vent. Also called the
conduit vent for the screw hole used
in the wiring.
Distance of the actuator movement
from free position to operating posi-
tion.
Detective object
•
The unit other than mechanical
mountings that operate the limit
switch. Products, parts, jigs, etc.
Overtravel (O.T.)
•
Terminals
•
The distance which the actuator is
permitted to travel after actuation
without any damage to the switching
mechanism.
The part of the wiring work in the
wiring that forms the circuit for elec-
trical input and output.
Reaction spring (movable spring)
•
The mechanical part that switches
the limit switch contact is called
either the reaction spring or the
moveable spring.
Total Travel (T.T.)
•
The distance which the actuator is
permitted to travel from free position
without any damage to the switching
mechanism.
Roller
Contact
•
Head block
When the counter-spring revolves,
power is switched on and off through
the contact between metal parts
Actuator
Cam
Roller
Arm
Movement Differential (M.D.)
The distance from operating to
release position of the actuator.
•
Plunger
Reset spring
Pushbutton
Contact gap
•
The effective clearance between the
fixed contact and the moveable con-
tact. Also called breaking distance.
Operating Position (O.P.)
•
The position of the actuator when the
traveling contact snaps to the fixed
contact.
Contact arrangement
•
Front view
Cam
The construction of the electrical
input/output circuit depending on
use. For example, the following two
applications:
Release Position (R.P.)
•
Cord vent
The position of the actuator when the
traveling contact snaps back from
the operating position to its original
position.
Roller
Reset spring
Pushbutton
F
Free Position (F.P.)
Position of the actuator when no
force is applied to it.
•
( )
[1 Form C Single Pole Double Throw ]
N.O. N.C.
VL limit switch
COM
Free position
F
O. P. Operating position
O. P. Operating position
N.C.
N.O.
N.C.
P.T. P.T.
O.T.
M.D.
O.T.
M.D.
R.P.
(
)
[1 Form Z Double Break Double Make ]
N.O.
R.P.
Contact type
•
•
Used in opposition to a semiconduc-
tor switch that has switching charac-
teristics. Fulfills switch functions
through a mechanical ON/OFF con-
tact.
R.F.
R.T.
M.D.
O.T.T.F.
O.F.
P.T.
Terminal mold
T.T.
After wiring, the connecting part is
molding by epoxy resin for water-
proof, oil-resistant and dust-proof
capabilities.
F.P.
O.P.
R.P.
Standard position
,
,
Note: F.P. O.P. and R.P. are expressed as distances
from the standard position.
5
TECHNICAL INFORMATION
ꢀ Glossary relating to the EN60947-5-1
EN60947-5-1
Rated impulse withstand voltage
Pollution degree
•
•
•
EN standard same as IEC947-5-1
(Uimp)
Expresses in levels the environment
in which the switch is used. The four
levels are shown below.
The peak impulse current value
which enables the switch to resist
without insulation breakdown.
Utilization categories
•
The following examples express the
classification of switches by category
of use.
Limit switches come under contami-
nation level 3.
Rated enclosed thermal current
(Ithe)
•
Pollution
degree
Current
The current value that enables cur-
rent to flow without exceeding the
specified maximum temperature in
the recharging contact switch. If the
pins are made of brass, the maxi-
mum temperature limit is 65°C 149°F.
Contents
Category
AC-15
Contents
type
No contamination or, even if conta-
mination is present, only non-con-
ducting contamination is generated.
Controls electromagnetic
loads in excess of 72VA
(Volt Amperes.)
1
AC
Normally, only non-conducting cont-
amination is generated, but there
remains the possibility of temporary
conducting contamination when the
circuit is formed.
Controls resistance
loads and semiconductor
loads.
DC
DC-12
2
Conditional short circuit current
The current the switch can resist
until the short circuit protection
device is activated.
•
•
•
Rated operational voltage (Ue)
The maximum rated voltage for
switch operation. This must never
exceed the maximum ratings insula-
tion voltage (Ui).
•
Conducting contamination is gener-
ated, or else dry non-conducting
contamination is generated by cir-
cuits which can be anticipated.
3
4
Short circuit protection device
A device that protects the switch
from short circuits through a circuit
break (breakers, fuses, etc.)
Permanent conducting contamina-
tion is generated by dust, rain,
snow, and other conductors.
Rated operational current (Ie)
The maximum rated current for
switch operation.
•
•
Switching overvoltage
The surge momentarily generated
when a circuit is closed. Must be
lower than the Uimp value.
Rated insulation voltage (Ui)
The maximum rated current value
which guards the switch’s insulation
functions, forming the parameters for
the resistance values and the mount-
ing distance.
6
PROTECTIVE CONSTRUCTION
ꢀ Protective construction
Expresses the degree of protective construction that guards the level of functionability of the switch against ingress of solid
objects, water, and oil. The standards are IEC529 (IEC: International Electrotechnical Commission) standards. IEC standards
determine the level of protection against both water and solid objects, but not against oil.
ꢁ Protection against both water and solid objects
□ □
Level Protection level
Protection level and test methods
IP-
0
3
4
5
6
7
—
No particular protection
Protection against rain fall
Protection against flying foam
Protection against spray
Rain-proof
Foam-proof
Spray-proof
Water proof
No damage incurred when sprayed with water
continuously for 10 minutes at angles of up to 60°
from the perpendicular.
No damage incurred when sprayed with water
continuously for 10 minutes at angles of up to 180°
from the perpendicular across a wide area.
Protection
against water
Nozzle radius 6.3mm .248inch
Water pressure 30kP
No damage incurred when sprayed with a jet of water
for 3 minutes from all directions, as per the diagram
on the left.
3m
9.843ft.
Protection against waves
Nozzle radius 12.5mm .492inch
Water pressure 100kP
Water does not invade the interior when sprayed with
a jet of water for 3 minutes from all directions, as per
the diagram on the left.
3m
9.843ft.
Protection against corrosion while
immersed in water
Corrosion-
proof
Water does not invade the interior during immersion
for 30 minutes at a depth of 1m 3.281ft..
Level Protection level
Protection level and test methods
Protection against solid
objects exceeding
1mm .039inch in size.
1.0 .039 dia.
4
5
6
—
—
A hard wire 1mm dia. .039 inch dia. across cannot
penetrate the inside.
Protection against dust
Protection against
solid objects
The unit is left for 8 hours in an atmosphere in which
2kg of talcum powder per 1m3 is floating. No damage
incurred from talcum powder penetrating the inside.
Protection againt dust
(dust does not penetrate)
Dust-proof
The unit is left for 8 hours in an atmosphere in which
2kg of talcum powder per 1m3 is floating. The talcum
powder does not penetrate the inside.
Note: 1. All of the tests cited above were conducted with the cord vent (conduit vent) tightly shut.
2. The above protective constructions are based on IEC standard but major differences may arise due to length of use and operating environment.
This should be thoroughly discussed and verified.
3. When the corrosion-proof model is immersed in water for 30 minutes or more, verify that no water has penetrated the inside before use.
7
CAUTIONS FOR USE
ꢀ DESIGN OF OPERATING DOG AND OPERATING SPEED
Pay attention to the following points
when designing the dog for limit switch
operation.
1. Make the dog faceplate as smooth
as possible.
5) Roller plunger type
3) 0.5m/s ! V&2m/s
α
α
α
V
h
h
F
2. Adjust both the dog angle and the
set arm angle as below, depending on
the operating speed.
3. The depth (h) of the dog effects the
lifespan of the limit switch. Therefore,
set the depth to a maximum of 80% of
the Total Travel (T.T.)
4. The relationship between the speed
of the dog (V = m/s) and the tip angle
(α) is as follows:
θ
o
α
Vmax (m/s)
0.5
h
α
Vmax (m/s)
(0.5 to 0.7) T.T.
(0.6 to 0.8) T.T.
20°
30°
40°
35°
30°
25°
0.7
0.9
1.3
2.0
0.25
Even if overriding the dog, set the for-
wards and rearwards motion exactly
the same, and avoid any settings that
make the actuator accelerate rapidly
from the dog.
The maximum tolerable speed can be
extended by further reducing the dog
rise angle from 45° when 0.5m/s !
V&2m/s. It is necessary to set the arm
so that the dog’s cutting surfaces are
always parallel (θ o = 90°– α)
1) V&0.2m/s
5. Operation speed
α = 45° to 90°
1) When the operation (acting and
reverting) speed is exceedingly slow,
switching of the contacts will become
unstable and this could cause prob-
lems such as failure to make contact
and welding. As a guide, the speed
should be at least 1mm/s.
2) When the operation (acting and
reverting) speed is exceedingly fast,
be careful because the violent motion
could cause breakage and with
increased frequency, contact switching
will not be able to keep up. As a guide,
the switching frequency should be
within 20 times per minute.
V
h
4) Overriding the dog (V&0.2m/s)
α
α
α
Vmax (m/s)
h
45°
60°
0.2
0.1
60 to 90°
0.05
When V&0.2m/s, set the arm to per-
pendicular and set the arm rise angle
to between 45° and 90°. If the dog rise
angle is reduced, the maximum tolera-
ble speed is increased.
α
Vmax (m/s)
0.2
45°
60°
0.1
60 to 90°
0.05
As a rule, α = 45° is optimum.
If overriding the dog, set the arm per-
pendicularly, so that α =45°. If the dog
angle is reduced, the tolerable speed
is increased.
2) V&0.5m/s
α = 45°
V
h
F
= 45°
o
θ
Because the arm jiggle is as a mini-
mum at a comparative speed such as
V&0.5m/s, setting both the dog angle
so that it travels perpendicularly and
the arm angle to 45° is optimum.
8
CAUTIONS FOR USE
ꢀ PROTECTION CIRCUIT
1. The ON/OFF circuit for the guidance
load may suffer contact damage due to
surges or inrushes when the power is
turned either ON or OFF.
Consequently, insertion of a protective
circuit as per the following diagram is
recommended, in order to protect the
contacts.
2. Do not connect either irregular poles
or power sources to a switch contact.
Power connection examples (irregular
pole connection)
3. Avoid circuits where power may find
a way between the contact points (as
this may cause welding.)
NO GOOD
NO GOOD
Load
L
L
200V
Circuit
Cautions for use
100V
Load
(1) r must be a minimum
of 10Ω;
(2) When using AC power:
Limit switch contact
Load
GOOD
L
4. Using electronic switch circuits (low
power, low current)
Q
Impossible when R
impedance is large.
Possible when c, r
impedance is suffi-
ciently small com-
pared with R imped-
ance.
r
c
R
W
1) Bouncing and chattering are gener-
ated due to collision between the con-
tacts when the limit switch is switching
between them, and this sometimes
causes such problems as white noises
and error pulses in both the electronic
circuit and the reverberation equip-
ment.
Load
Load connected to same pole
Limit switch contact
Can be used with both
AC and DC as appro-
priate.
Example of unsuitable power connec-
tion (abnormal power connection)
r
R
~
r
R
Risk of AC and DC being mixed.
c
Load
C: 0.1 µF
NO GOOD
2) If the generation of bouncing and
chattering becomes a problem, it is
necessary to consider installing a CR
circuit or other absorption circuit given
the circuit design.
L
Limit switch contact
AC
(1) Dedicated DC use.
(2) AC is impossible
Diode
R
DC
3) This is particularly necessary when
high contact reliability is needed, and
is unsuitable for silver contact switch-
es. Switches with gold contacts pos-
sess excellent performance.
Limit switch contact
Can be used with both
AC and DC as appro-
priate.
ZNR
R
Varistor
Load
L
9
CAUTIONS FOR USE
ꢀ CAUTIONS FOR USE
1) Do not attempt to physically alter
any part of the switch itself, such as
the actuator, or switch attachment
vent, as this may cause alterations to
both characteristics and performance,
and damage the insulation.
2) Do not pour any lubricants such as
oil or grease onto the moving parts of
the actuator, as there is a possibility
that this will cause a malfunction due
to seepage into the inside, and impair
the motion. Silicon-based grease in
particular affects the contact points
badly.
3) If the switches are not to be used for
an extended period of time, their con-
tact reliability may be reduced due to
oxidation of the contact points.
Because accidents may result from the
impaired conductivity, always imple-
ment a check beforehand.
4) Prolonged continuous use of the
switch hastens deterioration of the
parts (especially the seal rubber) and
may cause a malfunction in the
release. For this reason, always imple-
ment a check beforehand.
5) Usage in the vicinity of either the
switch operating position (O.P.) or the
release position (R.P.) results in unsta-
ble contacts. If using the NC contact
point, set the actuator to return to the
free position (F.P.) Also, is using the
NO contact point, hold the ratings val-
ues down to 70 to 100% for the over-
travel (O.T.)
7) Do not apply unreasonable force to
the actuator, as this may result in dam-
age and impaired movement.
12) Long term storage (including dur-
ing transport) in high temperature or
high humidity environments or where
the atmosphere contains organic or
sulfide gas, will cause sulfide or oxide
membrane to form on the contact sur-
faces. This in turn will cause unstable
or failed contacting that may lead to
functional malfunction. Please verify
the atmosphere when storing and
transporting.
13) Packaging should be designed to
reduce as much as possible the poten-
tial influence of humidity, organic gas,
and sulfide gas, etc.
14) Please avoid sudden changes in
temperature. This is a cause of switch
deformation and encourages the seal
structure to breathe, which may lead to
seal failure and operational malfunc-
tion.
8) The switch, if dropped, may break
due to excessive vibration and impact.
Therefore, please use extra caution
when transporting and installing.
9) Condensation inside the switch may
occur if there are rapid ambient tem-
perature changes when the switch is in
a high temperature and humidity.
Since this occurs easily during marine
transport, be extra cautious of what the
environment will be when shipping.
Condensation is the phenomenon in
which water vapor condenses into
switch-adhering water droplets when
the temperature rapidly drops in a
high-temperature, high-humidity
atmosphere or when the switch is
quickly moved from a low temperature
location to a place of high temperature
and high humidity. It is the cause of
insulation deterioration and of rust.
10) Be careful of freezing in tempera-
tures below 0°C. Freezing is the phe-
nomenon in which moisture adhering
to the switch from condensation or
when in unusually high-humidity envi-
ronments freezes onto the switch
when the temperature drops below the
freezing point. Please extra caution
because freezing can lock moving
parts, cause operational delays, or
interfere with conductivity when there
is ice between the contacts.
15) If installing a thermoplastic resin
case, the use of a spring washer tight-
ened directly against the case will
cause the case to collapse and
become damaged. Therefore, please
add a flat washer before tightening.
Also, be careful not to install if the
case is being twisted.
16) For the purpose of improving quali-
ty, materials and internal structure may
be changed without notice.
17) When used outdoors (in places
where there is exposure to direct sun-
light or rain such as in multistory car
parks) or in ambient temperature envi-
ronments where ozone is generated,
the influence of these environments
may cause deterioration of the rubber
material. Please consult us if you
intend to use a switch in such environ-
ments.
6) If the actuator is forced beyond its
total travel (T.T.), the internal mecha-
nism may be damaged. Always use
within the T.T.
11) In low-temperature, low-humidity
conditions, plastic becomes brittle and
the rubber and grease harden, which
may lead to malfunction.
ꢀ PRECAUTIONS RELATING TO THE INSTALLATION ENVIRONMENT
Avoid using in silicon environments
such as organic silicon-based rubber,
solvents, sealants, oil, grease, or
wiring.
10
IMPROVEMENT EXAMPLES
Poor design
Improved design
Explanation
@
@
@
@
@
@
@
@
ꢀ Problem • Dog adjustment is difficult.
ꢀ Solution • Separate each one until the dog
r
r
r
r
r
r
r
r
can be adjusted.
ꢀ Problem • The dog axis is too long, and slips
out during operation.
• For this reason, the limit switch
operating position slips.
Dog axle
ꢀ Solution • Firmly fix the dog plate to the base.
Detector
Printer
ꢀ Problem • The detector sinks, applying force
Detector
to the limit switch.
• The limit switch O.T. cannot be set.
ꢀ Solution • Relieve the pressure using an
additional actuator, and the O.T.
can also be set.
Rotation axle
Conveyer
Conveyer
ꢀ Problem • The area around the actuator coil
is easily damaged.
• Friction generated during opera-
tion.
ꢀ Solution • Relieve the friction by installing an
additional actuator.
Rotation axle
• Change the type of limit switch.
ꢀ Problem • Workers keep bumping the actua-
tor.
ꢀ Solution • Fit a protective cover to the side of
the limit switch.
Limit
ꢀ Problem • Because the cord vent for the limit
switch faces upwards, water droplets
and so forth can easily penetrate the
interior.
Protective cover
• The cord is constantly moving and
thus easily damaged.
ꢀ Solution • Fix the limit switch position on the
stationary board.
• Fit a protective cover, so that water
and oil cannot come into direct con-
tact with the limit switch.
ꢀ Problem • The cord is not fixed, and gets
pulled during work.
• Dog adjustment is ineffective.
ꢀ Solution • Change the limit switch position,
and fix the cord.
• Attach an adjustment mechanism
to the dog.
ꢀ Problem • The limit switch is near a high-tem-
perature area.
• Dog adjustment is ineffective, and
the dog keeps bumping the lever.
ꢀ Solution • Move the limit switch further away.
• Make dog adjustment possible,
and change the shape of the unit.
High temperature
High temperature
11
IMPROVEMENT EXAMPLES
Poor design
Improved design
Explanation
ꢀ Problem • The detector is scratched.
Detector
Dumper
• Limit attachment adjustments are
difficult
@
• The actuator is damaged.
• Specimen transfer is impeded.
ꢀ Solution • Fix the limit position to behind the
dumper to solve the above prob-
lems.
r
Conveyer
ꢀ Problem • The transfer path of the detector is
not fixed, and it keeps bumping the
actuator.
• The operating position is unstable.
• The actuator is damaged.
ꢀ Solution • Stabilize the operating position by
fitting an additional actuator.
Rotation axle
@
@
@
r
r
r
Conveyer
Conveyer
•
Make limit switch adjustment possible.
Detector
Detector
ꢀ Problem • Stroke adjustment ineffective.
• Release the limit switch position,
and ensure that the dog does not
bump the lever.
ꢀ Solution • Make dog adjustment possible.
Dog
• Change the limit switch position,
and sure that the dog does not
bump the lever.
ꢀ Problem • The cam shape is unsuitable
(especially during release and
strike release.)
• Direction of limit switch attachment
is unsuitable.
ꢀ Solution • Render the cam shape smooth.
• Change the limit switch position.
12
Table of Recommended Substitute Products for Discontinued Products
Products to be discontinued
AZ1 series Limit switches
Recommended substitute products
ML (AZ7) Limit switches
Page
P.33
AZ2 series Limit switches
ML (AZ7) Limit switches
ML (AZ7) Limit switches
ML (AZ7) Limit switches
P.33
P.33
P.33
Slitted type Limit switches (AZ6)
New slitted type Limit switches (AZ66)
Products to be discontinued
Recommended substitute products
Installation
You cannot use this nut
AZ1∗∗∗
AZ7∗∗∗
for panel installation.
Please note that installation method and
operation characteristics are different.
AZ2∗∗∗
AZ7∗∗∗
Please note that installation method and
operation characteristics are different.
AZ6∗∗∗
AZ7∗∗∗
Please note that installation method and
operation characteristics are different.
AZ66∗∗∗
AZ7∗∗∗
Please note that installation method and
operation characteristics are different.
77
FOREIGN STANDARDS OVERVIEW
1. International Standards
IEC standard
3. Europe
EN standard
International Electrotechnical Commission
By promoting international cooperation toward all
problems and related issues regarding
standardization in the electrical and electronic
technology fields, the IEC, a non-governmental
organization, was started in October, 1908, for the
purpose of realizing mutual understanding on an
international level. To this end, the IEC standard
was enacted for the purpose of promoting
international standardization.
European Standards/Norme Europeennee
(France)/Europaishe Norm (Germany)
Abbreviation for European Standards. A unified
standard enacted by CEN/CENELEC (European
Standards Committee/European Electrical
Standards Committee). EU and EFTA member
nations employ the content of the EN standards into
their own national standards and are obligated to
abolish those national standards that do not agree
with the EN standards.
2. North America
(1) Germany
UL (Underwiters Laboratories Inc.)
VDE (Verband Deutscher Elektrotechniker)
The VDE laboratory was established mainly by the
German Electric Technology Alliance, which was
formed in 1893. It carries out safety experiments
and passes approval for electrical devices and
parts. Although VDE certification is not enforced
under German law, punishment is severe should
electrical shock or fire occur; therefore, it is, in fact,
like an enforcement.
This is a non-profit testing organization formed in
1894 by a coalition of U.S. fire insurance firms,
which tests and approves industrial products
(finished products). When electrical products are
marketed in the U.S., UL approval is mandated in
many states, by state law and city ordinances. In
order to obtain UL approval, the principal parts
contained in industrial products must also be UL-
approved parts.
LISTING MARK
VDE
Fig. 1
RECOGNITION MARK
UL approval is divided into two general types. One
is called “listing” (Fig. 1), and applies to industrial
products (finished products). Under this type of
approval, products must be approved
unconditionally. The other type is called
“recognition” (Fig. 2), and is a conditional approval
which applies to parts and materials.
TÜV (Technischer Überwachungs-Verein)
TÜV is a civilian, non-profit, independent
organization that has its roots in the German Boiler
Surveillance Association, which was started in 1875
for the purpose of preventing boiler accidents. A
major characteristic of TÜV is that it exists as a
combination of 14 independent organizations (TÜV
Rheinland, TÜV Bayern, etc.) throughout Germany.
TÜV carries out inspection on a wide variety of
industrial devices and equipment, and has been
entrusted to handle electrical products, as well, by
the government.TÜV inspection and certification is
based mainly on the VDE standard.
Fig. 2
CSA (Canadian Standards Association)
Certification
This was established in 1919 as a non-profit, non-
governmental organization aimed at promoting
standards. It sets standards for industrial products,
parts, and materials, and has the authority to judge
electrical products to determine whether they
conform to those standards.The CSA is the ultimate
authority in the eyes of both the government and the
people in terms of credibility and respect. Almost all
states and provinces in Canada require CSA
approval by law, in order to sell electrical products.
As a result, electrical products exported from Japan
to Canada are not approved under Canadian laws
unless they have received CSA approval and
display the CSA mark. Approval is called
TÜV certification can be obtained from any of the 14
TÜVs throughout Germany and has the same
effectiveness as obtaining VDE certification.
Fig. 3
TÜV Rheinland
Component Acceptance
Fig. 4
“certification”, and products and parts which have
been approved are called “certified equipment”, and
display the mark shown in Fig. 3. The mark shown
in Fig. 4 is called the “Component Acceptance”
mark, and indicates conditional approval which is
applicable to parts. The C-UL mark shown in Fig. 5
(finished products) and Fig. 6 (parts) indicates that
the product has been tested and approved in UL
laboratories, based on UL and CSA standards,
through mutual approval activities.
Fig. 5
Fig. 6
78
SAFETY STANDARDS RECOGNITION
Limit switches
UL recognized
Approved ratings
CSA certified
Approved ratings
TÜV approval
Approved ratings
Product name
File No.
File No.
File No.
–
SL limit switches
E122222
4A 250V AC
LR55880
4A 250V AC
–
5A 250V AC
5A 250V AC
Dies-cast case standard load type
DC-12 1A 30V-
Pilot duty B300
Pilot duty B300
J9650514
Die-cast case low level load type
(includes connector type)
0.1A 30V DC
0.1A 30V DC
DC-12 0.1A 30V-
HL limit
switches
E122222
LR55880
5A 250V AC
Pilot duty B300
5A 250V AC
Pilot duty B300
AC-15 2A 250V~
DC-12 1A 30V-
Plastic case standard load type
Plastic case low level load type
Standard type
J9650515
J9551204
0.1A 30V DC
10A 250V AC
0.1A 30V DC
10A 250V AC
DC-12 0.1A 30V-
AC-15 2A 250V~
E122222
(C-UL)
E122222
ML limit
switches
Epoxy-sealed terminal type
With lamp
–
–
–
–
–
–
–
–
–
–
–
–
QL limit switches
E122222
5A 250V AC
LR55880
5A 250V AC
–
J9551203
–
–
Standard type
With neon lamp
AC-15 2A 250V~
–
VL limit
switches
5A 250V AC
Pilot duty B300
E122222
(C-UL)
5A 250V AC
Pilot duty B300
E122222
6A 380V AC
Pilot duty A300
10A 1/2HP 125V AC
6A 1/2HP 250V AC
E122222
(C-UL)
6A 380V AC
DL limit switches
E122222
E99838
J9551205
AC-15 2A 250V~
Pilot duty A300
Vertical limit switches
–
–
–
–
–
–
–
–
–
–
E43149
(C-UL)
E43149
(C-UL)
E122222
(C-UL)
Standard type
Water-resistant type
5A 250V AC
2A 250V AC
5A 250V AC
2A 250V AC
Compact
Magnelimit
E43149
5A 250V AC
Pilot duty B300
5A 250V AC
Pilot duty B300
Magnelimit
E122222
CE MARKINGS OVERVIEW
The EN standards were established as
universal EU standards in order to facili-
tate EU directives. These standards
were merged with the international IEC
standards and henceforth reflect the
standards in all countries. Also, the CE
markings show that products conform to
EC directives, and guarantee the free
flow of products within the EC.
Limit switches conforming to EN/IEC standards
The limit switches shown below conform to both EN and IEC standards, and may dis-
play the CE markings.
Product classification
Product name
Suitable standard
EN60947-5-1
EN60947-5-1
EN60947-5-1
EN60947-5-1
EN60947-5-1
Approving body
File No.
J9650514/J9650515
J9551204
HL
ML
TÜV
TÜV
TÜV
TÜV
–
Limit switches
VL
J9551203
DL
J9551205
Magnelimit
–
Note: Refer to the page for each individual product for detailed approval conditions and approved types. Moreover, the HL limit
switch alone does not display the CE mark as standard. If the CE mark is necessary, add (CE) to the end of the part No.
when ordering.
Appropriate EC directives
for control equipment
products
What are EN standards? CE markings and EC
An abbreviation of Norme Europeenne
(in French), and called European
directives
The main EC directives that are to do
with machinery and electrical equipment
are the machinery directive, the EMC
directive, the low voltage directive, and
the telecom directive. Although these
directives have already been issued, the
date of their enactment is different for
each one. The machinery directive was 1
January 1995. The EMC directive was 1
January 1996, and the low voltage direc-
tive was enacted from 1 January 1997.
The telecom directive was established by
the separate CTR (Common Technology
references.)
The world’s largest single market, the
Standards in English. Approval is by vote
European Community (EC) was born on
among the CEN/CENELEC member
1 January 1993 (changing its name to
countries, and is a unified standards lim-
EU in November 1993. It is now always
ited to EU member countries, but the
expressed as EU, apart from EC direc-
contents conform to the international
tives.) EU member country products
ISO/IEC standards.
have always had their quality and safety
If the relevant EN standard does not
guaranteed according to the individual
exist, it is necessary to obtain approval
standards of each member country.
based on the relevant IEC standard or, if
However, the standards of each country
the relevant IEC standard does not exist,
being different prevented the free flow of
the relevant standard from each country,
goods within the EU. For this reason, in
such as VDE, BS, SEMKO, and so forth.
order to eliminate non-tariff barriers due
to these standards, and to maximize the
merits of EU unification, the EC direc-
tives were issued concomitant to the
birth of the EU.
79
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