ProSoft MVI56E-MCMR User Manual page 64

Configuring the MVI56E-MCMR Module
User Manual
Parameter
Enable = 1
Internal Address = 1010
Reg Count = 10
Node Address = 1
Modbus Function =4
MB Address in Device =20
Page 64 of 223
Modbus Communication Module with Reduced Data Block
Description
The module will send the command every time it goes through the
command list.
Places the data read from the slave device into the module at
address 1010. Internal Address 1010 of the module memory will be
copied into the tag MCMR.DATA.R
Reads 10 consecutive registers from the slave device.
Issues the Modbus command to Modbus Slave Device Address 1.
Issues Modbus Function Code 4 to Read Input Registers.
Function Code 4 MB Address in Device of 20 will read address 30021
Along with a count of 10, this command reads 30021 to 30030.
MVI56E-MCMR ♦ ControlLogix Platform
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