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Rockwell Automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command User Manual

Page 191

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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