7 Man-Machine Interaction 
 
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5. On the Comm. Param. screen, press  . 
6. Set Address, Protocol, Baud Rate, and 
Match Resistance, and press  . 
 
The optional addresses range from 1 to 
247. 
 
The optional protocol is modbus. 
 
The optional baud rates are 4800bps, 
9600bps, and 19200bps. 
 
The optional parities are None, Even 
parity, Odd parity. 
 
The optional values of match resistance are 
Disconnect and Connect. 
This parameter is set to Disconnect by 
default. If signals are distorted or the 
communication is of poor quality because 
of a lengthy communications cable, set the 
parameter to Connect. 
 
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7.2.9 Setting Protection Parameters 
SUN2000 protection parameters can be set on the monitoring panel. 
Procedure 
 
The following table lists the procedure for setting protection parameters. The parameter 
values in the figures are for reference only.