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Deployment PtP communication
Modbus - Function codes
Write 1 word 06h
Command telegram
Slave address
1byte
Respond telegram
Slave address
1byte
Write n bits 0Fh
Command telegram
Slave
Function
address
code
1byte
1byte
Respond telegram
Slave address
1byte
Write n words 10h
Command telegram
Slave
Function
address
code
1byte
1byte
Respond telegram
Slave address
1byte
182
Code 06h: Write 1 word to master output area 4x
Function code
1byte
Function code
1byte
Code 0Fh: Write n bits to master output area 0x
Please regard that the number of bits has additionally to be set in byte.
Address 1.
Number of
bit
bits
1word
1word
Function code
1byte
Code 10h: Write n words to master output area 4x
Address 1.
Number of
word
words
1word
1word
Function code
1byte
Address word
1word
Address word
1word
Number of
Data 1.
bytes
byte
1byte
1byte
Address 1. bit
1word
Number of
Data 1.
bytes
word
1byte
1word
Address 1. word
Number of words
1word
VIPA System SLIO
Value word
1word
Value word
1word
Data 2.
...
byte
1byte
1byte
max. 250byte
Number of bits
1word
Data 2.
...
word
1word
1word
max. 125words
1word
HB300 | CPU | 013-CCF0R00 | en | 19-30
Check sum
CRC/LRC
1word
Check sum
CRC/LRC
1word
Check sum
CRC/LRC
1word
Check sum
CRC/LRC
1word
Check sum
CRC/LRC
1word
Check sum
CRC/LRC
1word
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