Communication Ports - ABB CP450 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.
COM2, a 25-pin female connector, is used to connect the operator terminal to
a controller via RS232, RS422 or RS485.
COM3, 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 RS485 corresponds to SW10 = ON and SW11 = ON.
See section 4 Dip
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
Switches.
Pin
1
2
3
4
5
6
7
8
9
Function
RS422 TX+ (RS485+)
RS422 CTS+
RS422 CTS-
RS422 RX+
Signal ground
RS422 TX- (RS485-)
RS422 RTS+
RS422 RTS-
RS422 RX-
ABB, 1SBC159105M0202