Omron CQM1H-SCB41 Operation Manual page 37

Wiring
4-Wire Connections
Using a 3G2A9-AL001 Link Adapter
Using an NT-AL001-E RS-232C/RS-422 Link Adapter
Pin
Signal
No.
2
3
4
5
6 +5V
7
8
9
Hood
22
Serial Communications
Board
Pin
Signal
Hood
RS-232C
SD
RD
RS
CS
DR
ER
SG
FG
Shield
(See note.)
Note The following cables are available for this connection.
Length
70 cm
2 m
It is recommended that one of these cables be used to connect the RS-232C
port on the Serial Communications Board to the NT-AL001-E Converting Link
Adapter.
Serial Communications
Board
Pin Signal
Hood
3G2A9-AL001
Pin
Signal
RS-422
interface
Signal
Pin
NT-AL001
Pin Signal Signal Pin
No. No.
3 RD SDA 4
2 SD SDB 3
4 RS RDA 6
5 CS RDB 5
6 +5V GRD 1
7 DR
8 ER
9 SG
Hood FG
Model
XW2Z-070T-1
XW2Z-200T-1
Section 2-3
Remote device
Signal
Shield
Remote device
Signal
Signal Pin
Remote device
Signal
Remote device
RS-422 Signal
RDA
RDB
SDA
SDB
Remote device
Signal
RDA
RDB
SDA
SDB
FG