ABB Relion 620 Series - COM2 Serial Communication Settings

Table 23: COM1 serial communication settings
Parameter Values (Range) Unit Step Default Description
Fiber mode
0=No fiber
2=Fiber optic
0=No fiber Fiber mode for
COM1
Serial mode
1=RS485 2Wire
2=RS485 4Wire
3=RS232 no hand-
shake
4=RS232 with hand-
shake
1=RS485 2Wire Serial mode for
COM1
CTS delay 0...60000 ms 1 0 CTS delay for COM1
RTS delay 0...60000 ms 1 0 RTS delay for COM1
Baudrate
1=300
2=600
3=1200
4=2400
5=4800
6=9600
7=19200
8=38400
9=57600
10=115200
6=9600 Baudrate for COM1
3.1.18 COM2 serial communication settings
Table 24: COM2 serial communication settings
Parameter Values (Range) Unit Step Default Description
Fiber mode
0=No fiber
2=Fiber optic
0=No fiber Fiber mode for
COM2
Serial mode
1=RS485 2Wire
2=RS485 4Wire
3=RS232 no hand-
shake
4=RS232 with hand-
shake
1=RS485 2Wire Serial mode for
COM2
CTS delay 0...60000 ms 1 0 CTS delay for COM2
RTS delay 0...60000 ms 1 0 RTS delay for COM2
Baudrate
1=300
2=600
3=1200
4=2400
5=4800
6=9600
7=19200
8=38400
9=57600
10=115200
6=9600 Baudrate for COM2
1MRS757644 H Basic functions
620 series
Technical Manual
67