Modbus Prosoft 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 Modbus Prosoft protocol also has the following Extended items:

Modbus Prosoft Extended Items

ItemData TypeDescription

LastDailyRecord/n

Date

Date and time of the last daily record retrieved from the RTU. Specify the run number 1 to 10 for ‘n’.

LastEventRecord/n

DateDate and time of the last event record retrieved from the RTU. Specify the run number 1 to 10 for ‘n’.

LastHourlyRecord/n

DateDate and time of the last hourly record retrieved from the RTU. Specify the run number 1 to 10 for ‘n’

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

Resets the daily retrieval record position. Write a ‘True’ to this item to remove record position information. This will cause all daily records to be retrieved again. Specify the run number 1 to 10 for ‘n’.

ResetHourly/1

BOOL

Resets the hourly retrieval record position. Write a ‘True’ to this item to remove record position information. This will cause all hourly records to be retrieved again. Specify the run number 1 to 10 for ‘n’.

RetrieveHistory

I2

Retrieve enabled history.

Related Topics:

Common Modbus OPC Item Conversion

Item Scaling



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