Presence Sensing Safety Devices
Safety Light Curtains
GuardShield Type 4
Wiring Diagram
Wiring diagram is not intended to be used for installation purposes.
+24V DC
Sender
Receiver
Brown
Brown
Red
Gray
OSSD 1
S2
(Start/Restart)
S1
Test
Machine
Test
Signal
Black
Pink
OSSD 2
K2
Bulletin 100S
Safety Contactors
or 700S Safety Relays
K1
Yellow
White
Blue
Green
24V Ground
Auxiliary
Signal
➊
MPCE/EDM
M
Blue
➊
Auxiliary output is non safety. Can be connected to a lamp, motor or status to a PLC.
K1, K2
S1
S2
To MSR127 Safety Relay Module
+24V
Safety relay or safety contactor for OSSD 1 and OSSD 2 connection
Switch for external system test (optional)
Switch for reset of light curtain from start/restart interlock
L1
L2
L3
Test
4
Transmitter
3
2
5
Receiver
7
OSSD 1 OSSD 2
6
A
K4
S52
S12
13
23
33
41
K4
MSR127
K5
A2 S21
S22
S34
14
24
34
42
K5
Reset
DC Common
K4
K5
M
2-14
ALLEN-BRADLEY [ Allen-Bradley ]
