Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario descargar pdf (Pagina 185)

Message Formats

Appendix A

A23

Reply Format:

A. Format when the command was successfully executed

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

B. Format when reporting an error

ETX

ST S

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

Where the extended status byte is optional.

Upload Request

From a computer you use this command to inform the 1775–KA module

that it wants to do an upload. If the module grants the upload privilege,

you may begin issuing privileged reads. (You should, however, issue a

shutdown request first.) If a different station already has the upload

privilege, the second station is denied the privilege. The function code is

Command Format:

FNC

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

Reply Format:

A. Format when the command was successfully executed

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

1 2 ... 180 181 182 183 184 185 186 187 188 189 190 ... 238 239

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Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario Pagina 185

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