Modbus MicroMVL Commands

Common Commands

See Device Object Common Commands for commands that are common to all device types.

Command	Description	Parameters
Test Communication	When executed, ACM will poll a known OPC item from the device and wait for the response to see if the communication is good.	None
Retrieve History	Requests the retrieval of history records (for all enabled meters).	None
Reset Hourly Pointer	Clears the hourly history retrieval position so retrieval starts at the oldest record.	None
Reset Daily Pointer	Clears the daily history retrieval position so retrieval starts at the oldest record.	None
Reset Event Pointer	Clears the event history retrieval position so retrieval starts at the oldest record.	None
Reset Alarm Pointer	Clears the alarm history retrieval position so retrieval starts at the oldest record.	None
Move Hourly Pointer Back	Moves the saved hourly retrieval position to an older record date and time.	Record Count
Move Daily Pointer Back	Moves the saved daily retrieval position to an older record date and time.	Record Count
Time Sync	Causes a comparison of the date and time in the device to the host date and time. Once compared, the configured rules of the selected time sync object will be applied - including time zone and daylight saving options.	None