Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Uživatelský manuál stáhnout pdf (Strana 184)

10–13Diagnostic Status Information

Publication

17706.5.16 - October 1996

1775KA, S5 and SR5 Status Bytes

Bytes Bits Contents Description

0 - 1

Operating status of

PLC3 processor

0 = Program mode

1 = Test mode

2 = Run mode

2 Not used

3 0 = Normal

1 = Major processor fault

4 0 = Normal

1 = Shutdown request

5 0 = Normal

1 = Shutdown in effect

6 - 7 Not used

0 - 3

Type of node interface

and processor

6 = 1775KA - Data Highway port, 1775S5, or 1775SR5

1775



232



C port

4 - 7

processor 7 =

775



232



port

12 = 1775S5,SR5 (new revisions only)

3 all Current context

(stored in bits 4 to 7)

4 all Thumbwheel number

5 - 6 all Mode control word The logical address of the mode control word is E0.0.0.8.

7 - 8 all Starting byte address of diagnostic

counters and timers

There is a separate block of diagnostic timers and counters

for the DH port and the RS232 port. The address given here

is for the port that received the diagnostic status command.

9 0 - 4 Series and revision number of 0 = Revision A

the module 1 = Revision B, etc.

5 - 7

The 1775S5 and 1775SR5 (series A)

appear as series C modules.

0 = Series A

1 = Series B, etc.

10 all Not used Not used

11 - 14 all The physical address of the unused

word of PLC3 system memory.

The physical address corresponding to the logical address

E60.0.0.0. This is the last word to read or write in an upload

or download.

15 - 18 all The total number of words in the PLC3

system memory (both used and unused)

1 2 ... 179 180 181 182 183 184 185 186 187 188 189 ... 250 251

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