Modbus Enron OPC Items
- Michael Standal
Standard Items
Protocol Items
Common Extended Items
See Common Modbus OPC Items. In addition to the common items, the Modbus Enron protocol also has the following Extended items:
Modbus Enron Extended Items
| Item | Data Type | Description |
|---|---|---|
GCWrite/Txn | Variant Array | Used for automated gas quality download. |
LastDailyRecord/n | Date | Timestamp of the last daily record retrieved from meter number “n”. |
LastEventRecord/n | Date | Timestamp of the last event record retrieved from meter number “n”. |
LastHourlyRecord/n | Date | Timestamp of the last hourly record retrieved from meter number “n”. |
LastRTUConfigRead | Date | Timestamp of the last RTU configuration read. |
LastRTUConfigWrite | Date | Timestamp of the last RTU configuration write. |
MoveDaily/1 | I2 | Move the daily history retrieval pointer for meter run 1. Write a negative number to move the pointer back in time, a positive number to move the pointer forward in time. The written value represents the number of days to move. |
MoveHourly/1 | I2 | Move the hourly history retrieval pointer for meter run 1. Write a negative number to move the pointer back in time, a positive number to move the pointer forward in time. The written value represents the number of hours to move. |
ResetDaily/1 | BOOL | Erase the daily history retrieval pointer (and recollect all daily history during the next retrieval). |
ResetHourly/1 | BOOL | Erase the hourly history retrieval pointer (and re-collect all hourly history during the next retrieval). |
RetrieveHistory | I2 | Retrieve enabled history. |
Related Topics:
Common Modbus OPC Item Conversion
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