Omron NT21 Setup Manual

5-1SectionConnecting to the Host’s RS-422A/485 Port
87
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-CPU43-E(V1)
CS1G-CPU44-E(V1) CS1G-CPU45-E(V1)
CS1H-CPU63-E(V1) CS1H-CPU64-E(V1)
CS1H-CPU65-E(V1) CS1H-CPU66-E(V1)
CS1H-CPU67-E(V1)
CS1G-CPU42H CS1G-CPU43H
CS1G-CPU44H CS1G-CPU45H
CS1H-CPU63H CS1H-CPU64H
CS1H-CPU65H CS1H-CPU66H
CS1H-CPU67H
CJ1W-SCU41 (communication port 1)
C200HE-CPU32-(Z)E C200HE-CPU42-(Z)E
C200HG-CPU33-(Z)E C200HG-CPU43-(Z)E
C200HG-CPU53-(Z)E C200HG-CPU63-(Z)E
C200HX-CPU34-(Z)E C200HX-CPU44-(Z)E
C200HX-CPU54-(Z)E C200HX-CPU64-(Z)E
C200HX-CPU65-ZE C200HX-CPU85-ZE
CQM1H-CPU51 CQM1H-CPU61
CV500-LK201 (communication port 2)
6
5
9
1
PC
RS-422A
interface
Pin number
Connector
hood
1
2
3
4
5
6
7
8
9
Abbreviation
FG
SDA
SDB
–
–
–
RDA
–
RDB
–
(9-pin type)
Shield
Pin number Abbreviation
F. Ground
SG
SDB
SDA
RDB
RDA
CSB
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
Link Adapter
RS-422A
terminal
block
NT-AL001
1
2
3
4
5
6
7
8
NS-AL002
1
---
3
7
2
6
---
---
NS-AL002
NT-AL001
7
5
3
1
8
6
4
2
T o 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-CPU11-EVj
CVM1-CPU21-EVj

Omron NT21 Specifications

General

Brand	Omron
Model	NT21
Category	Touch terminals
Language	English