Rockwell Automation Publication 2080-UM002N-EN-E - November 2022 95
Chapter 6 Micro870 Controller Distributed Network Protocol
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
AUTHENTICATE_ERR (FC Byte = 0x21)
33 – Authentication Request No Resp
This function code is used by the master to send authentication messages when no return
response is required.
RESPONSE (FC Byte = 0x22)
129 – Response
All responses except for Unsolicited Response messages use this function code.
UNSOLICITED_RESPONSE (FC Byte = 0x23)
130 – Unsolicited Response
Unsolicited Responses always use this function code regardless of which DNP3 objects are
included.
AUTHENTICATE_RESPONSE (FC Byte = 0x24)
131 – Authentication Response
This function code is used to issue authentication messages to the master.
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