Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Instrukcja Użytkownika Pobierz pdf (Strona 198)

Remote Error Codes Received from the

1773-KA Module

Appendix B

B6

Error

Code Type Meaning

shutdown request to the local PLC-3 processor

For all PLC-3 read and write commands:

The local 1775-KA module has executed a

shutdown request.

84 reply

For diagnostic status commands:

A backplane error occurred during

determination of the physical address of the

end of the ladder diagram program or of the

end of user memory

. In polled mode, the

RS-232- C port has received a NAK, which

caused a system reset.

For all PLC/PLC-2 read and write commands:

Local PLC-3 backplane error (either memory

parity or timeout/disconnect). In polled mode,

the RS-232-C port has received a NAK, which

caused a system shutdown.

For all PLC-3 read and write commands:

Backplane error (memory parity or timeout/

disconnect). In polled mode, the RS-232-C port

has received a NAK, which caused a system reset.

85 reply

For diagnostic read commands:

The command is an illegal request to read from the

1775- KA module's backplane window

For PLC/PLC-2 read commands:

1. PLC-3 file does not exist.

2. PLC-3 file is too small.

3. PLC-3 file is more than 65,535 words long.

For PLC/PLC-2 bit write commands:

1. PLC-3 file does not exist.

2. Destination bits do not exist in PLC-3 file.

3. Length of PLC-3 file is greater than 65,535

words.

For PLC/PLC-2 word write commands:

1.The destination file does not exist in PLC-3

memory

2.The destination word does not exist in the

1 2 ... 193 194 195 196 197 198 199 200 201 202 203 ... 238 239

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