HEDS-5600-F12
更新时间:2024-09-18 11:18:38
品牌:HP
描述:Quick Assembly Two and Three Channel Optical Encoders
HEDS-5600-F12 概述
Quick Assembly Two and Three Channel Optical Encoders 快速组装二和三通道光学编码器
HEDS-5600-F12 数据手册
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PDF下载Quick Assembly
Two and Three Channel Optical
Encoders
Technical Data
HEDM-550x/560x
HEDS-550x/554x
HEDS-560x/564x
Features
HEDS-5500/5600 and HEDM-
5500/ 5600 are two square waves
in quadrature. The HEDS-5540
and 5640 also have a third chan-
nel index output in addition to the
two channel quadrature. This
index output is a 90 electrical
degree, high true index pulse
which is generated once for each
full rotation of the codewheel.
• Two Channel Quadrature
Output with Optional Index
Pulse
• Quick and Easy Assembly
• No Signal Adjustment
Required
• External Mounting Ears
Available
• Low Cost
The HEDS series utilizes metal
codewheels, while the HEDM
series utilizes a film codewheel
allowing for resolutions to 1024
CPR. The HEDM series is nont
available with a third channel
index.
Applications
• Resolutions Up to 1024
Counts Per Revolution
• Small Size
• -40°C to 100°C Operating
Temperature
• TTL Compatible
• Single 5 V Supply
The HEDS-5500, 5540, 5600,
5640, and the HEDM-5500, 5600
provide motion detection at a low
cost, making them ideal for high
volume applications. Typical
applications include printers,
plotters, tape drives, positioning
tables, and automatic handlers.
These encoders may be quickly
and easily mounted to a motor.
For larger diameter motors, the
HEDM-5600, and HEDS-5600/
5640 feature external mounting
ears.
Description
Note: Agilent Technologies
encoders are not recommended
for use in safety critical
applications. Eg. ABS braking
systems, power steering, life
support systems and critical care
medical equipment. Please
contact sales representative if
more clarification is needed.
The HEDS-5500/5540, HEDS-
5600/5640, and HEDM-5500/
5600 are high performance, low
cost, two and three channel
optical incremental encoders.
These encoders emphasize high
reliability, high resolution, and
easy assembly.
The quadrature signals and the
index pulse are accessed through
five 0.025 inch square pins
located on 0.1 inch centers.
Each encoder contains a lensed
LED source, an integrated circuit
with detectors and output
circuitry, and a codewheel which
rotates between the emitter and
detector IC. The outputs of the
Standard resolutions between 96
and 1024 counts per revolution
are presently available. Consult
local Agilent sales representatives
for other resolutions.
ESD WARNING: NORMAL HANDLING PRECAUTIONS SHOULD BE TAKEN TO AVOID STATIC DISCHARGE.
2
Package Dimensions
HEDS-5500/5540, HEDM-5500
*Note: For the HEDS-5500 and HEDM-5500, Pin #2 is a No Connect. For the HEDS-5540, Pin #2 is CH. I, the index output.
HEDS-5600/5640, HEDM-5600
*Note: For the HEDS-5600 and HEDM-5600, Pin #2 is a No Connect. For the HEDS-5640, Pin #2 is CH. I, the index output.
3
Theory of Operation
Block Diagram
The HEDS-5500, 5540, 5600,
5640, and HEDM-5500, 5600
translate the rotary motion of a
shaft into either a two- or a three-
channel digital output.
As seen in the block diagram,
these encoders contain a single
Light Emitting Diode (LED) as its
light source. The light is
collimated into a parallel beam by
means of a single polycarbonate
lens located directly over the
LED. Opposite the emitter is the
integrated detector circuit. This
IC consists of multiple sets of
photodetectors and the signal
processing circuitry necessary to
produce the digital waveforms.
The final output of channel I is an
index pulse PO which is generated
once for each full rotation of the
codewheel. This output PO is a
one state width (nominally 90
electrical degrees), high true
index pulse which is coincident
with the low states of channels A
and B.
revolution.
The codewheel rotates between
the emitterand detector, causing
the light beam to be interrupted
by the pattern of spaces and bars
on the codewheel. The
photodiodes which detect these
interruptions are arranged in a
pattern that corresponds to the
radius and design of the
codewheel. These detectors are
also spaced such that a light
period on one pair of detectors
corresponds to a dark period on
the adjacent pair of detectors. The
photodiode outputs are then fed
through the signal processing
circuitry resulting in A, A, B and B
(also I and I in the HEDS-5540
and 5640). Comparators receive
these signals and produce the
final outputs for channels A and
B. Due to this integrated phasing
technique, the digital output of
channel A is in quadrature with
that of channel B (90 degrees out
of phase).
Pulse Width (P): The number of
electrical degrees that an output
is high during 1 cycle. This value
is nominally 180°e or 1/2 cycle.
Pulse Width Error (∆P): The
deviation, in electrical degrees, of
the pulse width from its ideal
value of 180°e.
Definitions
Count (N): The number of bar
and window pairs or counts per
revolution (CPR) of the
codewheel.
State Width (S): The number of
electrical degrees between a
transition in the output of channel
A and the neighboring transition
in the output of channel B. There
are 4 states per cycle, each
nominally 90°e.
One Cycle (C): 360 electrical
degrees (°e), 1 bar and window
pair.
State Width Error (∆S): The
deviation, in electrical degrees, of
each state width from its ideal
value of 90°e.
One Shaft Rotation: 360
mechanical degrees, N cycles.
Position Error (∆Θ): The
normalized angular difference
between the actual shaft position
and the position indicated by the
encoder cycle count.
Phase (φ): The number of
electrical degrees between the
center of the high state of channel
A and the center of the high state
of channel B. This value is
nominally 90°e for quadrature
output.
In the HEDS-5540 and 5640, the
output of the comparator for I
and I is sent to the index
processing circuitry along with
the outputs of channels A and B.
Cycle Error (∆C): An indication
of cycle uniformity. The differ-
ence between an observed shaft
angle which gives rise to one
electrical cycle, and the nominal
angular increment of 1/N of a
Phase Error (∆φ): The deviation
of the phase from its ideal value
of 90°e.
4
Absolute Maximum Ratings
Parameter
Storage Temperature, TS
Operating Temperature, TA
Supply Voltage, VCC
Output Voltage, VO
Output Current per Channel, IOUT
Vibration
HEDS-55XX/56XX
-40°C to 100°C
HEDM-550X/560X
-40°C to +70°C
-40°C to 100°C
-40°C to +70°C
-0.5 V to 7 V
-0.5 V to 7 V
-0.5 V to VCC
-0.5 V to VCC
-1.0 mA to 5 mA
20 g, 5 to 1000 Hz
± 0.25 mm (± 0.010 in.)
0.1 mm (0.004 in.) TIR
30,000 RPM
-1.0 mA to 5 mA
20 g, 5 to 1000 Hz
± 0.175 mm (± 0.007 in.)
0.04 mm (0.0015 in.) TIR
30,000 RPM
Shaft Axial Play
Shaft Eccentricity Plus Radial Play
Velocity
Acceleration
250,000 rad/sec2
250,000 rad/sec2
Direction of Rotation: When the
codewheel rotates in the counter-
clockwise direction (as viewed
from the encoder end of the
motor), channel A will lead
Output Waveforms
channel B. If the codewheel
rotates in the clockwise direction,
channel B will lead channel A.
Index Pulse Width (PO): The
number of electrical degrees that
an index output is high during
one full shaft rotation. This value
is nominally 90°e or 1/4 cycle.
5
Recommended Operating Conditions
Parameter
Temperature HEDS Series
Temperature HEDM Series
Supply Voltage
Symbol Min. Typ.
Max.
100
70
Units
°C
Notes
TA
TA
VCC
CL
f
-40
-40
4.5
°C
non-condensing atmosphere
Ripple < 100 mVp-p
2.7 kΩ pull-up
5.0
5.5
Volts
pF
Load Capacitance
100
100
Count Frequency
kHz
Velocity (rpm) x N/60
Shaft Perpendicularity
Plus Axial Play (HEDS Series)
± 0.25
(± 0.010)
mm
(in.)
6.9 mm (0.27 in.) from
mounting surface
Shaft Eccentricity Plus
Radial Play (HEDS Series)
0.04
(0.0015)
mm (in.)
TIR
6.9 mm (0.27 in.) from
mounting surface
Shaft Perpendicularity
Plus Axial Play (HEDM Series)
± 0.175
(± 0.007)
mm
(in.)
6.9 mm (0.27 in.) from
mounting surface
Shaft Eccentricity Plus
Radial Play(HEDM Series)
0.04
(0.0015)
mm (in.)
TIR
6.9 mm (0.27 in.) from
mounting surface
Note: The module performance is guaranteed to 100 kHz but can operate at higher frequencies. 2.7 kΩ pull-up resistors
required for HEDS-5540 and 5640.
Encoding Characteristics
Encoding Characteristics over Recommended Operating Range and Recommended Mounting Tolerances
unless otherwise specified. Values are for the worst error over the full rotation.
Part No.
Description
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
Sym. Min. Typ.* Max.
Units
HEDS-5500
HEDS-5600
(Two Channel)
∆P
∆S
∆φ
∆Θ
∆C
7
5
2
10
3
45
45
20
40
5.5
°e
°e
°e
min. of arc
°e
HEDM-5500
HEDM-5600
(Two Channel)
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
∆P
∆S
∆φ
∆Θ
∆C
10
10
2
10
3
45
45
15
40
7.5
°e
°e
°e
min. of arc
°e
HEDS-5540
HEDS-5640
(Three
Pulse Width Error
Logic State Width Error
Phase Error
Position Error
Cycle Error
∆P
∆S
∆φ
∆Θ
∆C
PO
5
5
2
10
3
90
35
35
15
40
5.5
125
°e
°e
°e
Channel)
min. of arc
°e
°e
Index Pulse Width
55
CH. I rise after
CH. A or CH. B fall
-40°C to +100°C
-40°C to +100°C
t2
-300
100
250
ns
CH. I fall after
t2
70
150
1000
ns
CH. B or CH. A rise
Note: See Mechanical Characteristics for mounting tolerances.
*Typical values specified at VCC = 5.0 V and 25°C.
6
Electrical Characteristics
Electrical Characteristics over Recommended Operating Range.
Part No.
Parameter
Sym. Min. Typ.* Max. Units
Notes
HEDS-5500 Supply Current
HEDS-5600 High Level Output Voltage
Low Level Output Voltage
ICC
VOH
VOL
17
40
mA
V
V
2.4
IOH = -40 µA max.
IOL = 3.2 mA
0.4
Rise Time
Fall Time
tr
tf
200
50
ns
ns
CL = 25 pF
RL = 11 kΩ pull-up
HEDS-5540 Supply Current
HEDS-5640 High Level Output Voltage
HEDM-5500 Low Level Output Voltage
ICC
VOH
VOL
30
2.4
57
85
mA
V
V
IOH = -200 µA max.
IOL = 3.86 mA
0.4
HEDM-5600
Rise Time
Fall Time
tr
tf
180
40
ns
ns
CL = 25 pF
RL = 2.7 kΩ pull-up
HEDM-5500 Supply Current
HEDM-5600 High Level Output Voltage
Low Level Output Voltage
ICC
VOH
VOL
30
2.4
57
85
mA
V
V
IOH = -40 µA max.
IOL = 3.86 mA
0.4
Rise Time
Fall Time
tr
tf
180
40
ns
ns
CL = 25 pF
RL = 3.2 kΩ pull-up
*Typical values specified at VCC = 5.0 V and 25°C.
7
Mechanical Characteristics
Parameter
Symbol
Dimension
Tolerance[1]
Units
Codewheel Fits These
Standard Shaft Diameters
2 3
5 6
4
8
+0.000
-0.015
mm
5/32 1/8
3/16 1/4
+0.0000
-0.0007
in
Moment of Inertia
J
0.6 (8.0 x 10-6)
14.0 (0.55)
g-cm2 (oz-in-s2)
Required Shaft Length[2]
± 0.5
(± 0.02)
mm
(in.)
Bolt Circle[3]
2 screw
mounting
19.05
(0.750)
± 0.13
(± 0.005)
mm
(in.)
3 screw
mounting
20.90
(0.823)
± 0.13
(± 0.005)
mm
(in.)
external
mounting ears
46.0
(1.811)
± 0.13
(± 0.005)
mm
(in.)
Mounting Screw Size[4]
2 screw
mounting
M 2.5 or (2-56)
M 1.6 or (0-80)
mm (in.)
mm (in.)
3 screw
mounting
external
mounting ears
M 2.5 or (2-56)
0.33 (0.130)
mm (in.)
mm (in.)
Encoder Base Plate
Thickness
Hub Set Screw
(2-56)
(in.)
Notes:
1. These are tolerances required of the user.
2. The HEDS-55X5 and 56X5, HEDM-5505, 5605 provide an 8.9 mm (0.35 inch) diameter hole through the housing for longer motor
shafts. See Ordering Information.
3. The HEDS-5540 and 5640 must be aligned using the aligning pins as specified in Figure 3, or using the alignment tool as shown in
“Encoder Mounting and Assembly”. See also “Mounting Considerations.”
4. The recommended mounting screw torque for 2 screw and external ear mounting is 1.0 kg-cm (0.88 in-lbs). The recommended
mounting screw torque for 3 screw mounting is 0.50 kg-cm (0.43 in-lbs).
Electrical Interface
To insure reliable encoding
pull-up resistors on output pins 3
and 5 (Channels A and B) are
recommended to improve rise
times, especially when operating
above 100 kHz frequencies.
close to the encoder as possible
(within 4 feet). Each of the three
encoder outputs can drive a single
TTL load in this configuration.
performance, the HEDS-5540 and
5640 three channel encoders
require 2.7 kΩ (± 10%) pull-up
resistors on output pins 2, 3, and
5 (Channels I, A, and B) as shown
in Figure 1. These pull-up
The HEDS-5500, 5600, and
HEDM-5500, 5600 two channel
encoders do not normally require
pull-up resistors. However, 3.2 kΩ
resistors should be located as
8
Figure 1. Pull-up Resistors on HEDS-5X40 Encoder Outputs.
Mounting Considerations
two channel encoders are
mounting option as shown in
Figure 2. The optional aligning
pins shown in Figure 3 can be
used with either mounting option.
attached to a motor with the screw
sizes and mounting tolerances
specified in the mechanical
characteristics section without
any additional mounting bosses,
the encoder output errors will be
within the maximums specified in
the encoding characteristics
section.
The HEDS-5540 and 5640 three
channel encoders and the HEDM
Series high resolution encoders
must be aligned using the aligning
pins as specified in Figure 3, or
using the HEDS-8910 Alignment
Tool as shown in Encoder
The HEDS-5600, 5640, and
HEDM-5600 have external
mounting ears which may be used
for mounting to larger motor base
plates. Figure 4 shows the
necessary mounting holes with
optional aligning pins and motor
boss.
Mounting and Assembly.
The use of aligning pins or
The HEDS-5500 and 5540 can be
mounted to a motor using either
the two screw or three screw
alignment tool is recommended
but not required to mount the
HEDS-5500 and 5600. If these
11.10 / 10.94
(0.438 / 0.431)
2.39 / 2.34
(0.096 / 0.092)
Figure 2. Mounting Holes.
Figure 3. Optional Mounting Aids.
9
2.39 / 2.34
(0.096 / 0.092)
0.25 (0.010) X
45° CHAMFER
2 PLACES
A
Ø 0.15 (0.006)
0.8 (0.03) X 45° CHAMFER
O
A
0.05 (0.002)
11.10 / 10.94
(0.438 / 0.431)
Figure 4. Mounting with External Ears.
10
Encoder Mounting and Assembly
1. For HEDS-5500 and 5600: Mount encoder base plate onto
motor. Tighten screws. Go on to step 2.
2. Snap encoder body onto base plate locking all 4 snaps.
1a. For HEDS-5540, 5640 and HEDM-5500, 5600: Slip
alignment tool onto motor shaft. With alignment tool in
place, mount encoder baseplate onto motor as shown above.
Tighten screws. Remove alignment tool.
4. Use the center screwdriver slot, or either of the two side
slots, to rotate the encoder cap dot clockwise from the one
dot position to the two dot position. Do not rotate the
encoder cap counterclockwise beyond the one dot position.
3a. Push the hex wrench into the body of the encoder to
ensure that it is properly seated into the code wheel hub set
screws. Then apply a downward force on the end of the hex
wrench. This sets the code wheel gap by levering the code
wheel hub to its upper position.
The encoder is ready for use!
3b. While continuing to apply a downward force, rotate the
hex wrench in the clockwise direction until the hub set
screw is tight against the motor shaft. The hub set screw
attaches the code wheel to the motor's shaft.
3c. Remove the hex wrench by pulling it straight out of the
encoder body.
11
Connectors
Manufacturer
Part Number
AMP
103686-4
640442-5
Dupont/Berg
Agilent
65039-032 with 4825X-000 term.
HEDS-8902 (2 ch.) with 4-wire leads
(designed to mechanically lock into the
HEDS-5XXX, HEDM-5X0X Series)
HEDS-8903 (3 ch.) with 5-wire leads
2695 series with 2759 series term.
Molex
*
N/A*
*
Figure 5. HEDS-8902 and 8903 Connectors.
Typical Interfaces
HEDS–55XX
HCTL-2016/
2020
QUADRATURE
DECODER/
COUNTER
CH. A
CH. B
OR
HEDS-56XX
OR
HOST
PROCESSOR
HEDM-5X0X
HEDS–55XX
OR
HEDS-56XX
OR
CH. A
CH. B
HCTL-1100
MOTION
CONTROL IC
HOST
PROCESSOR
HEDM-5X0X
12
Ordering Information
Encoders with Film Codewheels
HEDM-5
0
Option
Mounting Type
5 - Standard
6 - External
Mounting Ears
Outputs
0 - 2 Channel
Through Hole
0 - None
5 - 8.9 mm (0.35 in.)
Resolution (Cycles/Rev)
B - 1000 CPR
J - 1024 CPR
Shaft Diameter
01 - 2 mm
06 - 1/4 in.
11 - 4 mm
14 - 5 mm
12 - 6 mm
13 - 8 mm
02 - 3 mm
03 - 1/8 in.
04 - 5/32 in.
05 - 3/16 in.
HEDS-8910 0
Alignment Tool
(Included with each order of HEDM-550X/560X two channel encoders)
Encoders with Metal Codewheels
HEDS-5
Option
Resolution (Cycles/Rev)
(HEDS-550X, 560X 2 Channel)
Mounting Type
5 - Standard
6 - External
Mounting Ears
Outputs
0 - 2 Channel
4 - 3 Channel
Through Hole
0 - None
5 - 8.9 mm (0.35 in.)
Shaft Diameter
01 - 2 mm
02 - 3 mm
03 - 1/8 in.
04 - 5/32 in.
05 - 3/16 in.
06 - 1/4 in.
11 - 4 mm
14 - 5 mm
12 - 6 mm
13 - 8 mm
S - 50 CPR
K - 96 CPR
C - 100 CPR
D - 192 CPR
E - 200 CPR
F - 256 CPR
G - 360 CPR
H - 400 CPR
A - 500 CPR
I - 512 CPR
(HEDS-554X, 564X 3 Channel)
G - 360 CPR
H - 400 CPR
A - 500 CPR
I - 512 CPR
S - 50 CPR
K - 96 CPR
C - 100 CPR
E - 200 CPR
F - 256 CPR
HEDS-8910 0
Alignment Tool
(Included with each order of HEDS-554X/564X three channel encoders)
13
01 02 03 04 05 06 11 12 13 14
HEDM-5500
HEDM-5505
HEDM-5600
HEDM-5605
HEDS-5500
B
J
*
*
*
*
*
*
*
*
*
*
*
*
B
J
*
*
*
*
*
B
J
*
*
B
J
*
*
A
C
E
F
G
H
I
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
K
S
*
*
HEDS-5505
HEDS-5540
A
C
E
F
G
H
I
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
K
A
C
E
F
G
H
I
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
*
HEDS-5545
HEDS-5600
A
C
H
I
*
*
*
*
*
*
A
C
E
G
H
I
*
*
*
*
*
*
*
*
*
*
*
*
*
*
14
01 02 03 40 05 06 11 12 13 14
HEDS-5605
A
C
E
F
G
H
I
*
*
*
*
*
*
*
*
*
HEDS-5640
HEDS-5645
A
E
F
*
*
*
*
*
*
H
A
C
E
G
H
I
*
*
*
*
*
*
*
*
*
*
www.agilent.com/semiconductors
For product information and a complete list of
distributors, please go to our web site.
For technical assistance call:
Americas/Canada: +1 (800) 235-0312 or
(408) 654-8675
Europe: +49 (0) 6441 92460
China: 10800 650 0017
Hong Kong: (+65) 271 2451
India, Australia, New Zealand: (+65) 271 2394
Japan: (+81 3) 3335-8152(Domestic/Interna-
tional), or 0120-61-1280(Domestic Only)
Korea: (+65) 271 2194
Malaysia, Singapore: (+65) 271 2054
Taiwan: (+65) 271 2654
Data subject to change.
Copyright © 2002 Agilent Technologies, Inc.
Obsoletes 5988-2579EN
January 17, 2002
5988-3996EN
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