
8–7Message Packet Status Codes (STS, EXT STS)
Publication
17706.5.16 - October 1996
Command ExplanationSTS CodeEXT STS Code
PLC/PLC2 read
- 10
•The required twobyte ADDR field and onebyte
SIZE field are missing in the command message.
•The ADDR value is odd (that is, it does not specify
a word address).
•The value of SIZE is 0.
•The value of SIZE is greater than 244.
•The SIZE value specifies an odd number of bytes.
- 30 The local PLC3 interface module has executed a
shutdown request to the local PLC3 processor.
- 40 Local PLC3 backplane error (either memory parity,
timeout, or disconnect).
- 50
•A destination (DST) file does not exist.
•The DST file is too small.
•The source (SRC) file is more than 65,535 words
long.
- 70 PLC3 processor is in Program mode.
PLC/PLC2 bit write
- 10 Incomplete bit description because the number of
bytes after the TNS word is not a multiple of 4.
- 30 The local PLC3 interface module has executed a
shutdown request to the local PLC3 processor.
- 40 Local PLC3 backplane error (either memory parity
or timeout/disconnect).
- 50
•A DST file does not exist.
•The DST bits do not exist in the destination file.
•Length of the SRC file is greater than 65,535
words.
- 60 The keyswitch setting at local PLC3 processor
prohibits access.
- 70 The local PLC3 processor is in Program mode.
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