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Wiring Section 3-2
Example of Connecting a Light Curtain
Note Connect a 24-VDC power supply to terminals V0 and G0 (power supply termi-
nals for the internal circuits).
Note This example shows an NE1A-SCPU01(-V1)(-EIP) Controller’s terminal lay-
out.
Receiver - OSSD1 (Green)
Receiver - OSSD2 (White)
Auxiliary output (Yellow)
RS-485 (Gray)
V1
G1 T0
T1
I1
I0
I3
I5
I2
I4
I6
I7
T2
T3
E1
O1
O0
V2
G2
O3
O5
O2
O4
O6
O7
E2
I9
I8
I11
I13
I10 I12
I14
I15
KM1- NC
KM2- NC
KM1
KM2
M
Light Curtain: OMRON F3SN-A
RS-485 (Pink)
Emitter: +24 V (Brown)
Receiver: +24 V (Brown)
Emitter: 0 V (Blue), shield
Receiver: 0 V (Blue), shield
Test input (Green)
Red: Open
Interlock (White)
Rest input (Yellow)
Emitter
Receiver
KM2
KM1
E1 and E2: 24 VDC power supplies
S1: External test switch
S2: Lockout reset switch
KM1 and KM2: Contactors
M: Motor
External relay monitor (Red)
S1
S2
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