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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.
Note:
Make sure that the connection is in accordance with the setting of the dip switches,
for example RS485 corresponds to SW10 = ON. See section
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
ABB, 1SBC159103M0201
13 12
11
10
25 24 23
22
Pin
Function
1
N/A
2
RS232 TXD
3
RS232 RXD
4
RS232 RTS
5
RS232 CTS
6
N/A
7
Signal ground
8
Optional;
+5V@100mA output
9
N/A
10
11
12
RS422 CTS+
13
RS422 CTS-
Communication Ports
4 Dip
Switches.
COM 2
9 8
7
6
5
4
3
2
1
21
20
19 18
17
16
15
14
Pin
Function
14
RS422 TX+
(RS485+)
15
RS422 TX-
(RS485-)
16
RS422 RX+
17
RS422 RX-
18
19
20
N/A
21
22
23
RS422 RTS+
24
RS422 RTS-
25
N/A
15
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