Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 134)

Message Packet Formats
Chapter 5
5-55
The message format is as follows:
Command Format:
Reply Format:
TNS STS CMD
0F
SRC DST
TNS STS CMD
4F
SRC DST
FNC
53
EXT
STS
The STS and EXT STS bytes contain status and error code information.
For more information on these bytes, see the “Error Codes” section in this
document.
Upload Completed
Use this command after uploading a complete system to place the
processor back to the mode that it was in prior to executing the Upload
All Request command.
The format is as follows:
Command Format:
Reply Format:
TNS STS CMD
0F
SRC DST
TNS STS CMD
4F
SRC DST
FNC
55
EXT
STS
The STS and EXT STS bytes contain status and error code information.
For more information on these bytes, see the “Error Codes” section in this
document.