IMO iSmart V4 - Page 136

Chapter 5 Relay Ladder Logic Programming 122
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MU mode5: Write single coil
S
et parameter ③, address to be constant:
F
unction parameter display:
Set
a constant address as 0003
Set DRE0=65280 (hex: FF00) as the content which would be
written into other coil.
When enable the MU function, the sending out Modbus
command will be:
01 05 00 03 FF 00 CRC16;
Received response from slave:
01 05 00 03 FF 00 CRC16;
Setting parameter ③, address, refer to data register DR:
Function parameter display:
S
et DR03=0001 for address
Set DRE0=65280 (hex: FF00)
When enable the MU function, the sending out Modbus
command will be:
01 05 00 01 FF 00 CRC16;
Received resp
onse from slave:
01 05 00 01 FF 00 CRC16;