Table of Contents
Advertisement
Write n words and Read m words 17h
Code 17h: This function allows to write n words to the master output area 4x and read m words from
the master input area 3x with one request.
Command telegram
Modbus/TCP-
Slave ad-
Header
dress
x x 0 0 0
6 byte
1 byte
Respond telegram
Modbus/TCP-Header Slave ad-
x x 0
6 byte
Wieland Electric GmbH | BA001269 | 09/2021 (Rev. A)
Function
Read
Read
code
address
number
words
1 byte
1 word
1 word
Function
dress
code
1 byte
Write
Write
Write
address
number
number
words
bytes
1 word
1 word
1 byte
Number of
Data 1.
read bytes
word
1 byte
1 byte
1 word
Deployment
Write
Write
data
data
...
1. word
2. word
1 word
1 word
max. 122 words
Data 2.
...
word
1 word
max. 126 words
55
Advertisement
Table of Contents
