See Common Modbus OPC Items. In addition to the common items, the Modbus PCS Ferguson protocol also has the following Extended items:
Item | Data Type | Description |
---|---|---|
DateTime | Date | Date and time in the RTU |
LastAlarmCard | Date | Date and time of the last Alarm card polling |
LastHistoryCard | Date | Date and time of the last History card polling |
LastShutdownCard | Date | Date and time of the last Shutdown card polling |
LastTimeSync | Date | Date and time of the last time synchronization |
LastTimeSyncResult | Date | Result of the last time synchronization |
ResetCardAlarmPosition | BOOL | Write a ‘1’ to reset the alarm history retrieval pointer |
ResetCardArchivePosition | BOOL | Write a ‘1’ to reset the archive history retrieval pointer |
DateTime | Date | Date and time in the RTU |
LastAlarmCard | Date | Date and time of the last Alarm card polling |
LastHistoryCard | Date | Date and time of the last History card polling |
Common Modbus OPC Item Conversion