Modbus PCS Plunger Lift 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 Well Pointer	Moves the saved well retrieval position to an older record. Provide the meter number in parameter one, or leave blank for all meters. Enter the number of records to move back.	None
Move Well Pointer Back	Moves the saved well retrieval position to an older record. Provide the meter number in parameter one, or leave blank for all meters. Enter the number of records to move back.	Record Count
Skip Well Records	Moves the saved well retrieval position forward. Provide the record count in parameter one, or leave blank for all meters. Enter the number of records to skip.	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