Rockwell-automation 1770, D17706.5.16 Ref Mnl DF1 Protocol Command Manual do Utilizador descarregar pdf (Página 178)

10–7Diagnostic Status Information

Publication

17706.5.16 - October 1996

1770KF3 Status Bytes

Bytes Bits Contents Description

1 1 Mode/Status 00 (no modes)

2 2 Type Extender FE

3 3 Extended Interface Type 2C

4 4 Not used 00

04

Series/Revision

= 0 release1; = 1 release 2, etc.

57 = 0 series A; = 1 series B, etc.

6 - 16 all Bulletin Number/Name (in ASCII) 1770KF3

17 - 24 all Product Specific Information 00

1771KA2, KA, KC/KD, KE, KF, KG, KGM, 1770KF2 Status

Bytes

Bytes Bits Contents Description

0 - 2

Operating status of

PLC processor

For the 1770KF2, this byte is always 0. For other modules:

0 = Program load mode

1 = Test mode

2 = Run mode

3 = (not used)

4 = Remote Program load

5 = Remote test

3 0 = normal communication; 1 = No communication with PLC

processor

4 0 = Normal; 1 = Download or upload mode

5 0 = Normal; 1 = Format error in communication zone of PLC

program

6 - 7 always zero

2 0 - 3 Type of interface module and processor 0 = 1771KC,KD module

1 = 1771KA2 or (1771KA) module

2 = 1771KA4 module

3 = 1771KE,KF or 1770KF2 module

4 = 1771KG module

5 = 1771KGM module

4 - 7 0 = PLC processor

1 = PLC2 processor

2 = PLC2/20 (LP1) Processor

3 = MiniPLC2 processor

5 = PLC2/20 (LP2) processor

6 = PLC2/02, 2/15,2/16, or 2/17 processor

7 = PLC2/30 processor

F = computer

3 - 4 all Octal address of the start of the

PLC program.

For the 1770KF2, these bytes are

always 0.

The ladder logic starts at the end of the data table.

To find the physical end of PLC2 memory, look for FFFF

after the address in bytes 3 and 4. The FFFF must appear at

a 1/2 Kbyte junction.

5 - 6 all Memory size Size of memory (in number of bytes) for 1774PLC processor;

zero for all other processors.

7 - 8 all Diagnostic address Starting byte address of diagnostic counters and timers.

1 2 ... 173 174 175 176 177 178 179 180 181 182 183 ... 250 251

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