EasyManuals Logo

AUTODA AD2017D User Manual

AUTODA AD2017D
59 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #42 background imageLoading...
Page #42 background image
37
Chapter 6 Serial Communication
6.1 MODBUS Communication
This controller supports the read/write function of
register in the standard MODBUS-RTU network
communication protocol in the master-slave form (supports
function codes 03H, 10H). It is usually suitable for data
exchange between a slave and a host in a bus network.
If the address that is sent to the slave does not match or
the CRC check error occurs, the slave will not respond.
6.1.1 Explanation of Function Code and Data Frame
Read Command 03H Send Format
B
y
t
e
XX
Fu
nct
ion
Co
de
XX
XX
XX
XX
CRC
H
CRC
L
D
e
f
i
n
Cont
rolle
r
addr
ess
03
H
High
segmen
t of
starting
address
Low
segmen
t of
starting
address
High
segmen
t of the
number
of
Low
segm
ent of
the
numb
Chec
k
(H)
Chec
k
(L)

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the AUTODA AD2017D and is the answer not in the manual?

AUTODA AD2017D Specifications

General IconGeneral
BrandAUTODA
ModelAD2017D
CategoryMeasuring Instruments
LanguageEnglish