Owner's manual

Chapter 3
Using Local I/O
3–14
Table 3.E
I/O Interface Box (Catalog No. 2801–N27)
RS–232 Port A Connector Series A CVIM Module
Pin Number Function Pin Number Function
1 No Connection 6 No Connection
2
RXD (Receive
Data: RS–232 A)
7 + 5V DC
3
TXD (Transmit
Data: RS–232 A)
8 No Connection
4 + 5V DC 9 No Connection
5 Ground (Signal)
Table 3.F
I/O Interface Box (Catalog No. 2801–N27):
RS–232 Port B Connector Series A CVIM Module
Pin Number Function Pin Number Function
1 No Connection 6 No Connection
2
CTS (Clear to
Send: RS–232 A)
7 + 10V DC
3
RTS Request to
Send: RS–232 A)
8 No Connection
4 + 10V DC 9 No Connection
5 Ground (Signal)
Table 3.G
I/O Interface Box (Catalog No. 2801–N27):
RS–232 Port A Connector Series B CVIM Module
Pin Number Function Pin Number Function
1 No Connection 6 No Connection
2
RXD (Receive
Data: RS–232 A)
7 + 5V DC
3
TXD (Transmit
Data: RS–232 A)
8 No Connection
4 + 5V DC 9 No Connection
5 Ground (Signal)
CVIM Module I/O
Interface Box Connections
(cont’d)