Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual do Utilizador descarregar pdf (Página 192)

100

101

Message Formats

Appendix A

A30

Set Variables

Use this command to set the timeout and maximum NAKs, and ENQs all

at once. Put the timeout in the first byte of the DATA field, the NAK

setting in the second byte, and the ENQ setting in the third byte. If you do

not specify a data value for any one the variables in this command, that

variable is automatically reset to zero.

Command Format:

FNC

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

DATA - 3 bytes

Reply Format:

DLE

SRC

STX DST C

TNS

DLE ETX

BCC

1 2 ... 187 188 189 190 191 192 193 194 195 196 197 ... 238 239

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