Rockwell Automation Publication 2080-UM002M-EN-E - April 2022 103
Chapter 6 Micro870 Controller Distributed Network Protocol
RECORD_CURRENT_TIME (FC Byte = 0x18)
24 – Record Current Time, used for LAN Procedure
This function code is used in the procedure for time synchronizing controllers
that communicate over a LAN.
OPEN_FILE (FC Byte = 0x19)
25 – Open File
This function code is used to make a file available for reading or writing.
CLOSE_FILE (FC Byte = 0x1A)
26 – Close File
After the file reading or writing operation, this function code used to unlock
the file.
DELETE_FILE (FC Byte = 0x1B)
27 – Delete File
A DNP3 master uses this function code to delete a file.
GET_FILE_INFO (FC Byte = 0x1C)
28 – Get File Information
This function code is for the master to retrieve information about a file in the
controller.
AUTHENTICATE_FILE (FC Byte = 0x1D)
29 – Authenticate File
This function code is used to obtain an authentication key that is needed to
open or delete a file.
ABORT_FILE (FC Byte = 0x1E)
30 – Abort File
This function code is used to immediately request termination of the current
read/write operation and close the file, without saving.
ACTIVATE_CONFIG (FC Byte = 0x1F)
31 – Activate Config
This function code is used to begin using the configuration or executable code
specified by the objects included in the request.
AUTHENTICATE_REQ (FC Byte = 0x20)
32 – Authentication Request
The master uses this function code when sending authentication messages to
the controller that require a response
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