Omron NT21 - SETUP MANUAL 10-2001 Setup Manual page 98

Connecting to the Host's RS-422A/485 Port
NS-AL002
NT-AL001
8
7
6
5
4
3
2
1
To avoid an FG ground loop, do not connect the functional ground of the Link
Adapter to the shielding of the RS-422A cable.
Wiring to one of the following Serial Communications Boards/Units
• CS-series CS1G/H(-H) Serial Communications Board
• CJ-series CJ1G Serial Communications Unit
• C-series C200HX/HG/HE(-Z)E Serial Communications Board
• CQM1H Serial Communications Board
• CVM1/CV-series Host Link Unit
Applicable Units:
CS1G-CPU42-E(V1)
CS1G-CPU44-E(V1)
CS1H-CPU63-E(V1)
CS1H-CPU65-E(V1)
CS1H-CPU67-E(V1)
CS1G-CPU42H
CS1G-CPU44H
CS1H-CPU63H
CS1H-CPU65H
CS1H-CPU67H
CJ1W-SCU41 (communication port 1)
C200HE-CPU32-(Z)E
C200HG-CPU33-(Z)E
C200HG-CPU53-(Z)E
C200HX-CPU34-(Z)E
C200HX-CPU54-(Z)E
C200HX-CPU65-ZE
CQM1H-CPU51
CV500-LK201 (communication port 2)
Link Adapter
Pin number Abbreviation
NT-AL001 NS-AL002
F. Ground
1 1
RS-422A
terminal
2 --- SG
block
SDB
3 3
4 7 SDA
5 2 RDB
6 6 RDA
7 --- CSB
8 --- CSA
DIP Switch Settings
NT-AL001: Pins 1 and 2 ON
Pins 3 to 6 OFF
NS-AL002: Pin 4 ON
Pins 1 to 3 OFF
To avoid an FG ground loop, do not connect the functional ground of the Link
Adapter to the shielding of the RS-422A cable.
Wiring to a CVM1/CV-series CPU Unit
Applicable Units:
CVM1-CPU01-EVj
CVM1-CPU21-EVj
CS1G-CPU43-E(V1)
CS1G-CPU45-E(V1)
CS1H-CPU64-E(V1)
CS1H-CPU66-E(V1)
CS1G-CPU43H
CS1G-CPU45H
CS1H-CPU64H
CS1H-CPU66H
C200HE-CPU42-(Z)E
C200HG-CPU43-(Z)E
C200HG-CPU63-(Z)E
C200HX-CPU44-(Z)E
C200HX-CPU64-(Z)E
C200HX-CPU85-ZE
CQM1H-CPU61
PC
Pin number Abbreviation
Shield
Connector
FG
hood
1 SDA
RS-422A
2 SDB interface
3
–
4 –
5 –
6 RDA
7 –
8 RDB
9 –
(9-pin type)
CVM1-CPU11-EVj
Section 5-1
6
1
9
5
87