Woodward MRM4, Manual, Page: 189 / 460

Communication Protocols
Global Protection Parameters of the Modbus ®
Parameter Description Setting range Default Menu path
Slave ID Device address (Slave
ID) within the bus
system. Each device
address has to be unique
within a bus system.
Only available if:Device
planning = RTU.
1 - 247 1 [Device Para
/Modbus]
Unit ID The Unit Identifier is used
for routing. This
parameter is to be set, if
a Modbus RTU and a
Modbus TCP network
should be coupled.
Only available if:Device
planning = TCP.
01.01.55 255 [Device Para
/Modbus]
TCP Port Config TCP Port Configuration.
This parameter is to be
set only if the default
Modubs TCP Port should
not be used.
Only available if:Device
planning = TCP.
Default,
Private
Default [Device Para
/Modbus]
Port Port number
Only available if:Device
planning = TCP and
Only available if: TCP
Port Config = Private.
502 - 65535 502 [Device Para
/Modbus]
t-timeout Within this time the
answer has to be
received by the SCADA
system, otherwise the
request will be
disregarded. In that case
the Scada system
detects a communication
failure and the Scada
System has to send a
new request.
Only available if:Device
planning = RTU.
0.01 - 10.00s 1s [Device Para
/Modbus]
Baud rate Baud rate
Only available if:Device
planning = RTU.
1200,
2400,
4800,
9600,
19200,
38400
19200 [Device Para
/Modbus]
EN MRM4 01/11 Page 189