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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
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
2 1
Pin
1
2
3
4
5
6
7
8
9
5 4
3
2
1
9
8
7
6
Function
RS422 TX+ (RS485+)
RS422 CTS+
RS422 CTS-
RS422 RX+
Signal ground
RS422 TX- (RS485-)
RS422 RTS+
RS422 RTS-
RS422 RX-
ABB, 1SBC159102M0201
4 Dip
Switches.
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