Omron NV3Q Connection Manual page 40

FP-X Series
Connection Diagram
PLC
FP-X
Mode for RS-232C, 1
channel (AFPX-
COM1)
PLC COM1
Communications
cable: Loose wires
Note Connect the RS and CS terminals on the AFPX-COM1.
FP-X
RS-232C, 2 chan-
nels (AFPX-COM2)
Communications
cable: Loose wires
PLC COM2
FP-X
RS-485/RS-422A, 1
channel (AFPX-
COM3)
PLC COM3
Communications
cable: Loose wires
Note Turn ON pins 1 to 4 on the switch on the back of the
PLC COM3
Note Turn OFF pins 1 to 3 and turn ON pin 4 on the switch on
16
Connection diagram
To power
supply
Pin Signal
SD SD
RD RD
RS
RS
CS CS
SG SG
To
power
supply
Pin Signal
S1 SD
RD
R2
S2 SD
R2 RD
SG
SG
To
power
supply
To power supply
Pin Signal
S+ S+
S− S−
Not used.
Not used.
Not used.
AFPX-COM3.
To power supply
Pin Signal
S+ SD+
SD−
S−
R+ RD+
R− RD−
Not used.
the back of the AFPX-COM3.
PT (RS-232C)
Pin No. Signal
1 +
−
2
3
FG
4 SD
5 RD
6
NC
7 NC
8 SG
PT 1 (RS-232C)
Pin No. Signal
1 +
−
2
FG
3
4 SD
RD
5
6 NC
7 NC
SG
8
PT 2 (RS-232C)
Pin No. Signal
1 +
−
2
FG
3
4 SD
5 RD
6
NC
7 NC
8 SG
PT (RS-485)
Pin No.
Signal
1 +
−
2
3 FG
4 +SD
−SD
5
6 +RD
−RD
7
8 E
PT (RS-422A)
Signal
Pin No.
1 +
−
2
3
FG
4 +SD
−SD
5
6 +RD
−RD
7
E
8
Section 2-1
PT
NV3W, NV4W, or NV3Q for
RS-232C
NV3W, NV4W, or NV3Q for
RS-232C
NV3W, NV4W, or NV3Q for
RS-485
NV3W, NV4W, or NV3Q for
RS-422A