M02 Digital Indicator
Function code
Definition
03
read the register
06
preset single register
16
preset several registers
Command only support preset double registers.
01
read coil
The length unit is bit.
05
write coil
Exception code response
Code
Definition
02
Illegal data address
Data address received from error code is not allowed
03
Illegal data value
Data wrote in is not in permissible range
8
Description
Description