Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command - Manual (Page 192)

10–21 Diagnostic Status Information
Publication 1770Ć6.5.16 - October 1996
1785ĆLT3 (PLCĆ5/12) and 1785ĆLT2 (PLCĆ5/25) Status Bytes
Bytes Bits Contents Description
1 0 - 2 Operating status of PLCĆ5 processor 0 = Program load
1 = Not used
2 = Run mode
3 = Not used
4 = Remote program load
5 = Remote test
6 = Remote run
7 = Not used
3 0 = Normal
1 = Major processor fault
4 0 = Normal
1 = Download mode
5 Not used
6 0 = Not testing edits
1 = Testing edits
7 0 = Not testing edits
1 = Testing edits
2 0 - 3 Processor Type B = PLCĆ5
4 - 7
yp
E = Expansion byte
3 Processor Expansion Byte 13 = 1785ĆLT3 (PLCĆ5/12)
14 = 1785ĆLT2 (PLCĆ5/25)
4 - 7 Size of user memory low word first, low byte first
8 0 - 4 Series and revision of the PLCĆ5 0 = Revision A
1 = Revision B, etc.
5 - 7 0 = Series A
1 = Series B, etc.
9 all Processor number on DH+ Link
10 all all I/O address Address of the processor if it is an adapter. If it is a scanner,
value is 0FDH.
11 0 I/O and communication parameters 0 = Double density
1
p
1 = Adapter mode
2 1 = Module group 4 top half
5 1 = Adapter is half rack
6 1 = Data Highway Plus at 115K baud
12 - 13 all Number of data table files low byte first
14 - 15 all Number of data type files low byte first
16 0 Forcing status 1 = Forces active
4 1 = Forces are present in the tables. 1 = Forces are present in the tables.
17 all Memory protect indication nonĆzero means memory is protected
18 all Bad RAM indication nonĆzero means RAM is bad, must be cleared