FF-SRT051FE [HONEYWELL]
Analog Circuit;
| 型号： | FF-SRT051FE |
| 厂家： | 
Honeywell |
| 描述： | Analog Circuit |
| 文件： | 总3页 (文件大小：578K) |
| 中文： | 中文翻译 | 下载： | 下载PDF数据表文档文件 |
FF-SRT Time Delay Module
FF-SR Series
FEATURES
• Complies with the Machinery Directive
98/37/EC, IEC 255, VDE 0435, and
UL 508
• Provides a delay after module is
de-energized
S
uitable for interfaces
up to
CATEGORY 1
per EN 954-1
• Output: one NC, one NO positive-guided
contacts
• Available with one or two time delay
circuits (channels)
• Available with fixed or selectable delay
up to 30 seconds
• LED status indication
• Mechanical life up to ten million
operations
• Electrical life up to 300,000 operations
• Switching current up to 8A
• Voltage drop protection
The FF-SRT Time Delay module provides a time delay before a safety interface is
opened safely.
If a two-channel version is used, the output contacts of the two time delay circuits
are connected in series. When the displayed time has elapsed, the safety contacts
within the module open safely, even if one of the other contacts is welded.
• 45 mm (1.77 in.) width
When power is applied to the module (A1/A2), the normally closed contact (15/16)
will open immediately and the normally open contact (27/28) will close.
APPLICATIONS
• Time delay required before
disconnection of safety interface circuit
After power is removed from the module (A1/A2), the normally closed contact (15/
16) will close and the normally open contact (27/28) will open after the fixed or set
time has elapsed.
For example, this module may be used with an emergency stop module. The emer-
gency stop module will immediately forward the emergency stop condition to the
machine control circuitry. The time delay module can be used to keep some non-
safety related machinery operating (door locked) for a short period of time to avoid
an unsafe condition or simplify the machine startup cycle.
!
WARNING
MISUSE OF DOCUMENTATION
•
The information presented in this product sheet (or catalogue) is for reference only. DO NOT USE this document as system
installation information.
•
Complete installation, operation and maintenance information is provided in the instructions supplied with each product.
Failure to comply with these instructions could result in death or serious injury.
FF-SRT
• Industrial Safety Products •
225
FF-SRT Time Delay Module
S
uitable for interfaces
up to
CATEGORY 1
per EN 954-1
SPECIFICATIONS
• Time delay before disconnection of safety interface circuits
General technical data
Available time ranges
Adjustable 1 channel: SRT _ _ 1R: 0.1 to 1 sec; 0.3 to 3 sec; 0.5 to 5 sec;
1 to 10 sec; 3 to 30 sec.
Fixed 1 channel: SRT _ _ 1F: 1; 5, 10, and 30 sec.
Adjustable 2 channels: SRT _ _ 2R: 0.1 - 1 sec, 0.5 - 5 sec, 1 -10 sec.
Fixed 2 channels: SRT _ _ 2F; 1, 5, 10 sec
Repeatability precision
+ 15 % from selected value
Input
Nominal voltage
Nominal consumption
Nominal frequency
Contact complement
Contact type
120 Vac (-15%, +10%), 230 Vac (-20%, +10%), 24 Vdc (-10%, +20%)
One channel model: 0.85 W, 4.5 VA; Two channel model; 1.7 W, 4.5 VA
50 to 60 Hz
Output
1 NO contact, 1 NC contact
Safety relay, positive-guided
Switching Capability
Current Range (min. to max.)
Voltage Range (min. to max.)
DC
Power factor = 1 with resistive load
30 mA to 8A
10 to 110 Vdc
10 to 250 Vac
AC
Switching capability (per AC15: EN 60947-5.1)
NO contact: 3A / 250 Vac
-
NC contact: 1 A / 250 Vac
Typical Electrical Life Expectancy
Power factor = 1 at 230 Vac/dc
300,000 operations
150,000 operations
100,000 operations
Limitation Factor (Note 1, Note 2)
0.45
3A
5A
10A
Typical Power Factor (cos j)
0.3
0.5
0.70
0.7
1.0
0.85
1.00
Operating frequency
Fuse rating
2000 switching cycles/hour (max.)
6 A time delayed
Mechanical life
Ten million switching operations
General
Temperature range
Sealing
-20°C to +60°C (-4°F to 140°F) at max. 90% humidity
Housing IP 40; Terminals IP 20
Housing material
Vibration resistance
Conductor connection
Thermoplastic
Amplitude 0.35 mm; Frequency 10 to 55 Hz
2 x 2.5 mm2 solid (max.) [12 AWG] or 2 x 1.5 mm2 [16 AWG] (max.)
stranded wire with sleeve DIN 46288
Conductor attachment
Mounting
Flat terminal according to DIN 46206 and DIN 57609/VDE
Quick install rail mounting EN 50022-35
Weight
200 g (0.44 lb.) for Vdc / 350 g (0.77 lb) for Vac
CONTACT LIFE FOR 100%
ORDERING INFORMATION
LIMITATION FACTOR FOR
INDUCTIVE LOADS
power factor < 1 (cos ϕ)
RESISTIVE LOAD (TYPICAL)
FF-SRT
Voltage:
power factor = 1 (cos ϕ)
2 = 24 Vdc
E = 120 Vac
G = 230 Vac
R: Time adjustable
F: Time fixed
Number of channels:
1 = 1 Channel
2 = 2 Channel (24 Vdc only)
Max delay time:
01: 1 s
03: 3 s
Note: see table
05: 5 s
above for available
time ranges
10: 10 s
30: 30 s
Note 1: Total operations = Operations at power factor 1
multiplied by the limitation factor. If the power factor is 0.5
at 230 Vac, 2A (300,000 operations), the limitation factor is
0.70. 300,000 x 0.70 = 210,000 total operations.
Note 2: Install arc suppression device across load to avoid
module contact arcing and ensure specified relay life ex-
pectancy.
Switching power P [kVA]
Power factor
226
• Industrial Safety Products •
FF-SRT
INSTALLATION DIAGRAM
MOUNTING DIMENSIONS
Width: 45 mm/1.77 in; Height: 74 mm/2.91 in; Depth: 121 mm/4.76 in
45
121 0.4
Rail
WIRING DIAGRAM
ONE CHANNEL (FF-SRT_1__) TWO CHANNEL (FF-SRT_2__)
FUNCTIONAL DIAGRAM
U
U
H
A1/A2
A1 15 27
15
A1 15 27
15
t
<
v
t
27
28
A1
27
28
A1
A2
15-16
A2
A1
27-28
16
A2
16
t
v
16 28
A2
16 28
A2
t v = time delay
APPLICATION EXAMPLE
+Vdc
L1
L2
L3
Power of
Speed
Driver
Emer-
gency
Stop
Fuses
S
S
A1
S
Delayed power removal
via
13
23
33
41
22
A1
27
15
12
11
(+)
FF-SRT
time delay module
K1
Honeywell FF-SRS5935
Power
S1
Honeywell
FF-SRT
K2
K3
S2
Instant stop
via
FF-SRS5935
emergency stop
module
Internal
switches
Speed driver
M
S21
PE
S
S
A2
(-)
A2
28
16
33
34
14
24
34
42
To
Speed
Driver
Start
push-
button
K1
K1
-Vdc
The example shows an emergency stop circuit with a motor using a speed driver. When an emergency stop condition occurs (e. g. the emergency
push-button is pressed), the speed driver is shut down immediately via the emergency stop module FF-SRS5935 and the dangerous movement of
the motor is stopped. When the delay time has elapsed, the power will be removed via the FF-SRT time delay module. External, positive guided
relays have to be monitored in the S33/S34 loop by its normally closed contacts.
FF-SRT
• Industrial Safety Products •
227
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