Rs485 Communications - ABB SM2000 User Manual

4.4.5 RS485 Communications

Set Up Security Logs Operator Messages
Modbus
Protocol
Four wire
Type
19200
Baud rate
Odd
Parity
99
Modbus Address
RS 485
Refer to APPENDIX 2 for information on using the Modbus
link.
Set according to the number of transmission wires
connected to the instrument: 4-wire, 2-wire.
Set the Baud rate used by the host system: 1200, 2400,
4800, 9600, 19200, 38400, 115200.
Set the Parity used by the host system: None, Odd, Even.
Set a unique Modbus Address that allows the host system to
identify the instrument on a Modbus link.
4 CONFIGURATION...
Note. Maximum 31 slaves per loop.
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