MVI56E-MCMR ♦ ControlLogix Platform Verify Communication
Modbus Communication Module with Reduced Data Block User Manual
ProSoft Technology, Inc. Page 113 of 223
3.2 Verify Slave Communications
For verifying the communications to the module as a Slave, you can monitor the
STATUS tags under the PRTXERRS section.
Below is an example.
The REQUESTS field shows the number of request messages sent to the module
as a Slave. The RESPONSES field shows how many times the module has
responded to a request message from the Modbus Master.