Enron Modbus

Acknowledging Events/Alarms

Request

This command is requesting to clear the event log in the slave device with address 1.
It uses function code 5 to write a boolean to ON at the event log address # 32.

01 05 0020 FF00 8DF0

01: The Slave Address
05: The Function Code (Force Single Boolean)
0020: The Data Address of the event log. ( 20 hex = 32)
FF00: The status to write ( FF00 = ON,  0000 = OFF ) 
8DF0: The CRC (cyclic redundancy check) for error checking.

Response

The normal response is an echo of the query, returned after the log has been cleared.

01 05 0020 FF00 8DF0

01: The Slave Address
05: The Function Code (Force Single Boolean)
0020: The Data Address of the event log. ( 20 hex = 32)
FF00: The status written ( FF00 = ON,  0000 = OFF ) 
8DF0: The CRC (cyclic redundancy check) for error checking.

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