Knowledge Base

PresetHreg – 6, SlaveAddr, RegAddr16, SPAddr16, SPMode

A ModBus Master script command

When processed this command will result in the SPLat master sending out a ModBus function 6 query (Force single holding register), then wait for the response.

Parameters are:

ItemBit LengthDescription
SlaveAddr8An 8-bit slave address
RegAddr1616The 16-bit, 0-based address of a holding register (4xxxx reference) in the slave.
SPAddr1616A 16-bit RAM address within the SPLat master’s RAM.
NumberFormat8Specifies the number format sent to the slave, either byte (8 bits), word (16 bits, standard) or float together with the endianness of the value.