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Standard Items
Protocol Items
Common Extended Items
See Common Modbus OPC Items. In addition to the common items, the Modbus BP Well Control protocol also has the following Extended items:
Modbus BP Well Control Extended Items
Item | Data Type | Description |
---|---|---|
LastCycleLog | Date | Timestamp of the last cycle log record retrieved. |
LastRTUConfigRead | Date | Timestamp of the last RTU configuration read. |
LastRTUConfigWrite | Date | Timestamp of the last RTU configuration write. |
MoveCycleLog | Date | Move the cycle log history retrieval pointer to an earlier record. Write a positive number to move the pointer back in time. The written value represents the number of cycle logs to move. Max value is 31. |
ReadRTUConfig | I2 | Write a one to initiate a poll session to read the current configuration values into the Last Read file. Upon success, value will return to zero. |
ResetCycleLog | BOOL | Erase the cycle log retrieval pointer (and re- collect all logs during the next retrieval). |
RetrieveCycleLog | I2 | Retrieve new cycle logs. |
RTUConfigState | I2 | Numeric value indicating the current state of an RTU Configuration read or write. 0 – Idle or Success 1 – Reading configuration values 2 – Writing configuration values 8 – Cold boot detected -1 – Error state |
TimeSync | I2 | Write a one to initiate a Time Sync with the device. Upon success, value will return to zero. |
WriteRTUConfig | I2 | Write a one to initiate a configuration download of the current values in the Last Read file. Upon success, value will return to zero. |
Related Topics:
Common Modbus OPC Item Conversion