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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
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
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