Allen-Bradley GuardShield Safe 4 User Manual page 14

GuardShield™ Safe 4 Safety Light Curtain User Manual
Cables/Connectors
The GuardShield Safe 4 transmitter and receiver connectors are 5-pin
M12 quick-disconnect connectors. Shielded and nonshielded cordsets
are offered in lengths from 2 to 30 meters.
Transmitter:
Pin 4
= Test 1
Pin 1
= +24V DC
Receiver:
Pin 4
= OSSD 1
Pin 1
= +24V DC
Figure 13: Pin assignment of the M12 connectors
M12 Connector Dimensions [mm (in.)]
14
(0.56)
Receiver
1)Operation with internal test
2)Test using a relay contract
3)Test using PNP output
Figure 14: Five-pin female connection for Safe 4
12
Pin 5
= PE
Pin 3
= 0V
Pin 2
= Test 2
Pin 5
= PE
Pin 3
= 0V
Pin 2
= OSSD 2
47 (1.85)
Transmitter
1)
2)
3)
Original instructions
Female Top View
GuardShield Safe 4 Receiver Connector pin assignments and wire colors
Female Top View
GuardShield Safe 4 Transmitter Connector pin assignments and wire colors
Test input to transmitter
Normally the test input at the transmitter is installed with a short circuit
jumper to activate the transmitter. If an external test is desired, a contact
can be connected to the test input).
The timing of test input is as follows (Figure 14):
Response time on test signal
Time to test
Restart time after test
Short circuit
Test input
OSSD 1/OSSD 2
t 1
Figure 15: Test timing diagram
t means the response time of the respective Safe 4 type (see product
R
label).
Internal test
Continuous test current
Peak test current
Time of peak test current
Internal test
Short circuited (closed)
Open
Signal
Color Pin No. Receiver
Brown 1 +24V
White 2 OSSD 2
Blue 3 0V
Black 4 OSSD 1
Grey 5 Ground (PE)
Signal
Color Pin No. Receiver
Brown 1 +24V
White 2 Test 2
Blue 3 0V
Black 4 Test 1
Grey 5 Ground (PE)
Time Value in ms
≤ t
t + 15
1 R
t > t
2 1
≤ 800
t
3
open
t 2 t 3
Description Value
I 10 mA
I
100 mA
P
t
20 μs
P
Transmitter Test LED Transmitter
Active Green
Inactive Red
R