Communication Ports - ABB CP420B Installation And Operation Manual

Communication Ports

5 Communication Ports
COM1, a 9-pin female connector, is used to connect the operator terminal to a
controller via RS232 or RS485. Only COM1 can be used for download.
COM2, a 9-pin female connector, is used to connect the operator terminal to a
controller via RS422 or RS485.
Note:
Make sure that the connection is in accordance with the setting of the dip switches,
for example COM2 RS485 corresponds to SW10 = ON. See section
5 4 3 2 1
9 8 7 6
Pin Function
1 RS485+
2 RS232 RXD
3 RS232 TXD
4 N/A
5 Signal ground
6 RS485-
7 RS232 RTS
8 RS232 CTS
9 Optional;
+5V@100mA output
14
5 4 3 2
9 8 7 6
Pin Function
1 RS422 TX+ (RS485+)
2 RS422 CTS+
3 RS422 CTS-
4 RS422 RX+
5 Signal ground
6 RS422 TX- (RS485-)
7 RS422 RTS+
8 RS422 RTS-
9 RS422 RX-
4 Dip Switches.
1
ABB, 1SBC159102M0202