A-3-5 Pin Arrangement - Omron NS8-TV0-V2 Setup Manual

Appendix 3 Using NS-AL002 Converters
A-3-5
A-24
Downloaded from Elcodis.com electronic components distributor
Pin Arrangement
The Adapter has a connector for RS-232C interface connection and a terminal block for
RS-422A/485 interface connection.
The pin arrangements for the RS-232C connector and RS-422A/485 terminal block are as
follows:
RS-232C Connector
Terminal block
pin number
1
2
3
4
5
6
7 or 8
9
Connector hood FG
RS-422A Terminal Block
Terminal block
pin number
1
2
3
4
5
6
7
8
Signal name Signal direction
Adapter ⇔ PT
NC
←
RD
→
SD
← (RS signal short-circuited internally)
CS
→
RS
←
5 V
(30 mA max.)
NC (Pins 7 and 8 are short-circuited.)
−
SG
Connects to functional ground terminal of PT.
Signal direction
Signal name
Adapter ⇔ Host
FG Connects to functional ground terminal of PT.
←
RDB (+)
→
SDB (+)
→
RSB (+)
NC ---
←
RDA (−)
→
SDA (−)
→
RSA (−)