Rockwell Automation 1770-KF2 Data Highway or Highway Plus Interface Module User Manual - Manual (Page 169)

Error Reporting
Chapter 7
7Ć14
Code (If Applies)
EXT STS STS
Error
Code Meaning
DIAGNOSTIC READ COMMAND
10 81 1. A 2Ćbyte ADDR field and a 1Ćbyte SIZE field are missing
after the FNC byte in the command message.
2. The number of bytes of data requested in the SIZE field is
greater than the maximum number allowed per reply packet
(244), or SIZE is 0 (zero).
50 85 The command is an illegal request to read from the 1775ĆKA
module's backplane window.
DIAGNOSTIC STATUS COMMAND
40 84 A backplane error occurred during determination of the physical
address of the end of the ladder diagram program or of the end of
user memory.
PLC/PLCĆ2 WORD WRITE COMMANDS
10 81 1. A 2Ćbyte ADDR field is expected after the TNS word, but
only one byte is present.
2. There is an odd number of data bytes in the command
packet.
3. The ADDR value is odd (that is, it does not specify a word
address).
30 83 The local 1775ĆKA module has executed a shutdown request to
the local PLCĆ3 processor.
40 84 Local PLCĆ3 backplane error (either memory parity or
timeout/disconnect).
50 85 1. The destination file does not exist in PLCĆ3 memory.
2. The destination word does not exist in the destination PLCĆ3
file.
3. The length of the destination file is greater than
65, 535 words.
60 86 Local keyswitch setting prohibits writing into desired destination
file.
70 87 The local PLCĆ3 processor is in Program mode. There may or
may not be a major system fault.