Modbus Alien 2 OPC Items

Standard Items

See Device Standard Items.

Protocol Items

See Common Modbus OPC Items.

Common Extended Items

See Common Modbus OPC Items. In addition to the common items, the Alien 2 protocol also has the following Extended items:

Alien 2 Extended Items

ItemData TypeDescription
ClearDeviceSampleLog1InDeviceI2Clear device sample 1 log entries in device.
ClearDeviceSampleLog2InDeviceI2Clear device sample 2 log entries in device.
ClearErrorLogInDeviceI2Clear error log in the device.
DateTimeDateDate and time in device.
GCWrite/Txn
Used for automated gas quality download.
LastDailyRecordDateTimestamp of the last daily record retrieved from meter.
ResetDailyBOOLErase the daily history retrieval pointer for meter (and re-collect all daily history during the next retrieval).
ResetDeviceSampleLog1InACMBOOLReset device sample log 1 pointer in ACM.
ResetDeviceSampleLog2InACMBOOLReset device sample log 2 pointer in ACM.
ResetPlungerCycleLogBOOLReset the plunger cycle log.
RetrieveHistoryI2Retrieve enabled history.
TimeSyncI2Perform time synchronization.

Related Topics:

Common Modbus OPC Item Conversion

Item Scaling



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