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FC6A S
ERIES
M
ICRO
S
MART
A
LL
-
IN
-O
NE
T
YPE
C
OMMUNICATION
M
ANUAL
FC9Y-B1730
6-15
6: M
ODBUS
C
OMMUNICATION
Function Code 06 (Preset Single Register)
Function code 06 changes word device data of D (data register).
Communication Frame
Request from Modbus RTU Master
ACK Reply from Modbus RTU Slave
NAK Reply from Modbus RTU Slave
Communication Example
•
Modbus RTU Mode
Purpose
Write 8000 to data register D1708.
D1708
→
(1708 – 0) + 400001 = 401709
Modbus address: 401709
Extract lower 5 digits
→
1709
1709 – 1 = 1708 = 6ACh
Communication frame address: 06ACh
Condition
Slave No. 8
Request from Modbus RTU Master
08 06 06AC 1F40 (CRC)
ACK Reply from Modbus RTU Slave
08 06 06AC 1F40 (CRC)
NAK Reply from Modbus RTU Slave
08 86 xx (CRC)
Slave No.
Function Code
Address
New Data
xxh
06h
xxxxh
xxxxh
Slave No.
Function Code
Address
Acknowledge
Data
xxh
06h
xxxxh
xxxxh
Slave No.
Function Code
Error Code
xxh
86h
xxh
Содержание MICROSmart FC6A-C16K1CE
Страница 1: ...B 1730 2 FC6A SERIES All in One Type Communication Manual...
Страница 60: ...3 COMMUNICATION SETTINGS 3 22 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 76: ...4 MAINTENANCE COMMUNICATION 4 16 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 126: ...5 USER COMMUNICATION INSTRUCTIONS 5 50 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 158: ...6 MODBUS COMMUNICATION 6 32 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 200: ...8 J1939 COMMUNICATION 8 32 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 218: ...10 SEND E MAIL FUNCTION 10 16 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730...
Страница 252: ...INDEX 4 FC6A SERIES MICROSMART ALL IN ONE TYPE COMMUNICATION MANUAL FC9Y B1730 INDEX...