IMO iSmart V4 - Page 133

Chapter 5 Relay Ladder Logic Programming 119
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MU mode2: Write single register
S
et parameter ③, address, to be constant:
Function parameter display:
S
et a constant address as 0003,
Set DRE0=1234 (hex: 04D2) as the content which would be
written into other register.
When enable the MU function, the sending out Modbus
command will be
01 06 00 03 04
D2 CRC16;
Received response from slave:
01 06 00 03 04 D2 CRC16；
S
et parameter ③, address refers to data register DR:
F
unction parameter display:
S
et DR03=0001 for data address
Set DRE0=1234 (hex: 04D2) as the content which would be
written into other register.,
When enable the MU function, the sending out Modbus
command will be
01 06 00 01 04 D2 CRC16;
Received response from slave:
01
06 00 01 04 D2 CRC16;