User Documentation

Settings
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7.4.2 Settings for communication
Protocol PROT
Select protocol for main unit via serial communication (RS485).
Note
1) When the protocol is changed, the device number, transmission speed (Baud rate), transmission
format, stop bit and response time will be initialised.
Press <ITEM/∆>, <SHIFT/∇> to select the protocol.
[Set list] MEWT(MEWTOCOL), MODr (MODBUS(RTU)), 645(DL/T645-2007) (initial: MEWT)
Device number NO
Set an individual device number for each unit when two or more units are connected for serial
communication via RS485.
Press <ITEM/∆>, <SHIFT/∇> to make the setting.
The setting range differs depending on the protocol.
[Set range]
MEWTOCOL: 1 to 99
MODBUS(RTU): 1 to 247
DL/T645-2007: 0 to 9999 (initial:1)
Increase
Decrease