Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual
Page 191
10–20
Diagnostic Status Information
Publication 1770Ć6.5.16 - October 1996
1785ĆLT (PLCĆ5/15) and 6008ĆLTV (PLCĆ5 VME) 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 = No edits in processor
1 = edits in processor
2
0 - 3
Processor Type
B = PLCĆ5
4 - 7
yp
B = 1785ĆLT (PLCĆ5/15)
C = 6008ĆLTV (PLCĆ5 VME)
3 - 6
Size of user memory
low word first, low byte first
7
0 - 4
Series and revision of the PLCĆ5
0 = Revision A
1 = Revision B, etc.
5 - 7
0 = Series A
1 = Series B, etc.
8
all
Processor number on DH+ link
9
all
I/O address
Address of the processor if it is an adapter. If it is a scanner,
value is 0FDH.
10
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
11 - 12 all
Number of data table files
low byte first
13 -14
all
Number of program type files
low byte first
15
0
Forcing status
1 = Forces active
4
g
1 = Forces are present in the tables.
16
all
Memory protect indication
nonĆzero means memory is protected
17
all
Bad RAM indication
nonĆzero means RAM is bad, must be cleared