Omron NB3Q-TW**B series

8-7
8 Connecting to Panasonic Industrial Devices SUNX PLCs
NB-series Programmable Terminals Host Connection Manual (V108)
8-5 Cable Fabrication
8
 RS422 Communication Cable
• FP3 RS422 programming port
• RS422 communication port for other modules
PT (COM2)
Pin No.
1
6
7
Signal
SDB+
RDB+
SDA-
D-Sub
9Pin
(Female)
PLC
Pin No.
3
2
10
Signal
RXDB
TXDB
RXDA
D-Sub
15Pin
(Female)
8
9
RDA-
SG
9
7
TXDA
GND
4
5
RTA+
CTS+
11
12
RTS-
CTS-
4 Terminal R1
5 Terminal R2
PT (COM2)
Pin No.
1
6
7
Signal
SDB+
RDB+
SDA-
D-Sub
9Pin
(Female)
PLC RS-422 connector
Pin No.
3
2
5
Signal
RD+
SD+
RD-
D-Sub
9Pin
(Female)
8
RDA-
4 SD-
4 Terminal R1
5 Terminal R2