Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 183)

10–12 Diagnostic Status Information
Publication 1770Ć6.5.16 - October 1996
Bytes Description Contents Bits
9 0 - 4 Module series and revision level 0 = Revision A
1 = Revision B, etc.
5 - 7 0 = Series A
1 = Series B, etc.
10 all Not used
11 to
114
Eight, 13Ćbyte groups of processor
status data, one group for each of eight
possible controllers on the loop.
If a particular controller on the loop is not active or does not
respond to the diagnostic status command, its 13 status
bytes are all zeros. Otherwise, each group of processor
status bytes contains the following:
Byte: Contents:
1 Program ID
2 Processor ID
3 Pointer to start program
4 Pointer to end of available memory
5 Size of I/O
6 Processor error code
7 Error word address (low byte)
8 Error word address (high byte)
9 Processor mode
10 Pointer to END statement (low byte)
11 Pointer to END statement (high byte)
12 Pointer to end of used memory (low byte)
13 Pointer to end of used memory (high byte)