Rockwell-automation 1775-KA PLC-3 Communication Adapter Module User Ma Manual de usuario Pagina 176

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Message Formats
Appendix A
A14
B. File symbol address plus word offset
DLE
SRC C
0
S
TNS
MD
F
TS
TNS
STX
FNC 00
02
ASCII sumbol
(8 characters max)
DLE ETX
BCC
00
W/F
01
SET
RESET
Mask
Mask
C. Logical address
DLE
SRC C
0
S
TNS
MD
F
TS
TNS
STX
FNC
02
PLC-3 logical address
(2-51 bytes)
DLE ETX
BCC
SET
RESET
Mask
Mask
Reply Format:
This the same as the reply packet format for all bit writes
A. Format when successful execution
DLE
SRC
C
4F
S
TNS
MD
TS
TNS
STX DLE ETX
BCC
DST
B. Format when reporting an error
DLE
SRC
STX DST C
4F
S
TNS
MD
TS
TNS
DLE ETX
BCC
ETX
ST S
TNS
Where the extended status byte is optional
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