VIPA System 300S - Page 191

Respond telegram
Slave address Function code Address bit Status bit Check sum
CRC/LRC
1byte 1byte 1word 1word 1word
Code 06h: Write 1 word to master output area 4x
Command telegram
Slave address Function code Address word Value word Check sum
CRC/LRC
1byte 1byte 1word 1word 1word
Respond telegram
Slave address Function code Address word Value word Check sum
CRC/LRC
1byte 1byte 1word 1word 1word
Code 0Fh: Write n bits to master output area 0x
Please regard that the number of bits has additionally to be set in
byte.
Command telegram
Slave
address
Func-
tion
code
Address
1. bit
Number
of bits
Number
of bytes
Data 1.
byte
Data 2.
byte
... Check
sum
CRC/LRC
1byte 1byte 1word 1word 1byte 1byte 1byte 1byte 1word
max. 250byte
Respond telegram
Slave address Function code Address 1. bit Number of bits Check sum
CRC/LRC
1byte 1byte 1word 1word 1word
Code 10h: Write n words to master output area 4x
Write 1 word 06h
Write n bits 0Fh
Write n words 10h
VIPA System 300S Deployment PtP communication
Modbus - Function codes
HB140 | CPU | 314-6CF03 | GB | 16-43 191