Omron NV3W Connection Manual page 63

FP7 Series
• Connections to more than one PLC
PLC
FP7
Communications cable:
Loose wires
Connection diagram
FP7 AFP7CCM1 (end)
Pin No. Signal
+ / S +
-
- / S
+ / R +
- / R
-
Internal terminator
switch: ON
Set the switches on the AFP7CCM1 circuit board to RS-485.
In addition, set to ON the internal terminator switch of either FP7 or
AFP7CCM1 as the terminal device.
To power
PT (RS-485)
supply
FP7
Pin No. Signal
+ / S +
-
- / S
+ / R +
- / R
-
Internal terminator
switch: OFF
Section 2-7
NV3W-V1, NV4W,
or NV3Q for
Pin No. Signal
1 +
RS-232C
-
2
3 FG
4 +SD
-SD
5
6 +RD
-RD
7
8 E
PT
41