Omron NB3Q-TW00B Setup Manual page 91

Appendices
COM2
The cable for connecting the NB5Q/NB7W/NB10W Unit serial port COM2 to
OMRON PLC (RS-232C)
COM2 (female)
at the NB Unit side
1 6
5 9
The cable for connecting the NB5Q/NB7W/NB10W Unit serial port COM2 to
OMRON PLC (RS-422A)
COM2 (female)
at the NB Unit side
1 6
5 9
Note If the RS-485 connection is adopted, all needed to do is to connect the No.6 and No.8 pins and the shielded
cable to the corresponding pins on the PLC side.
A-12
NB Unit side
Signal Name Pin No.
Connector
FG
Shield
SDB+ 1
SD(TXD)
2
RD(RXD) 3
Terminal 1 4
Terminal 2 5
RDB+ 6
SDA- 7
RDA- 8
SG 9
NB Unit side
Signal Name Pin No.
SDB+ 1
2
SD(TXD)
3
RD(RXD)
4
Terminal 1
5
Terminal 2
6
RDB+
7
SDA-
8
RDA-
SG 9
Connector
FG
Shield
WWW.NNC.IR
OMRON PLC side
Pin No.
Shielded Cable
1
2
3
4
5
6
7
8
9
OMRON PLC side
Pin No.
1
2
3
4
5
Shielded Cable
NB-series Programmable Terminals Setup Manual(V107)
RS232 port at the
OMRON PLC side
Signal Name
(female)
1 6
FG
SD
RD
RS
CS
5V
DR
ER
SG
5 9
Signal Name
RDA-
RDB+
SDA-
SDB+
FG