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Communication
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Modbus
Post thread
A community for the Modbus communications protocol - data communication between devices over TCP/IP and over serial line – open and royalty-free since 1979. Visit
Modbus.org
to download the Modbus protocol specification and implementation guides.
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Sticky
Modbus Organization Replaces Master-Slave with Client-Server
EEZac
Aug 6, 2020
Last message by
mercator
Sep 18, 2020
5
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P
Communicate with Modbus RTU to EATON IQ100 power meter through Internet
PRIMEDUVIC
Feb 22, 2021
Last message by
jschulze
Feb 23, 2021
3
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Y
Writing to a Holding Register Using Modbus Poll Master Software.
Yaswant
Jun 5, 2019
Last message by
David_2
Feb 15, 2021
5
Replies
1K
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C
Modbus TCP/IP on Ethernet Cable Maximum Distance
Chowdary
Feb 15, 2021
Last message by
David_2
Feb 15, 2021
1
Replies
310
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M
Daikin Modbus Cards EKFCCMBCB7
Mrgt4mark
Feb 5, 2021
Last message by
David_2
Feb 13, 2021
8
Replies
423
Views
Homebrewed software to communicate with measuring device via Modbus TCP
nikoloz
Nov 18, 2020
Last message by
sunnyygq
Feb 9, 2021
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M
MODBUS TCP/IP on WINCC
Muhammad Shoaib Ahmad
Nov 1, 2012
Last message by
fixxxer_ki
Feb 7, 2021
1
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3K
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N
Combining RS485 with Wifi TCP/IP. Buy converter or ???
no2m
Feb 3, 2021
Last message by
patrickduis
Feb 5, 2021
5
Replies
336
Views
L
Question : How I Send AO for a Setpoint Temperature With Modbus RTU
Leonardojoseph
Feb 2, 2021
Last message by
Leonardojoseph
Feb 3, 2021
2
Replies
338
Views
Difference in value on slave and master in Modbus over RS485
Vlike888
Jan 27, 2021
Last message by
Vlike888
Jan 28, 2021
2
Replies
413
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T
Checksum error in one program but not another
tsopkow
Jan 27, 2021
Last message by
jschulze
Jan 28, 2021
3
Replies
305
Views
Establishing Modbus TCP communication
Advaith
Dec 8, 2020
Last message by
David_2
Jan 28, 2021
9
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2K
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V
Checksum error and Insufficient bytes recieved
Vindsan
Jan 20, 2021
Last message by
Vindsan
Jan 22, 2021
11
Replies
446
Views
A
CS31 to Rs485
Alaateba
Jan 20, 2021
Last message by
Alaateba
Jan 20, 2021
0
Replies
281
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L
Modbus Function Code 5
lsmadeux
Jan 14, 2021
Last message by
lsmadeux
Jan 14, 2021
2
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671
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D
Trying to integrate A/C system with home assistant
daveymit
Jan 13, 2021
Last message by
daveymit
Jan 13, 2021
2
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444
Views
R
How to: slave addressing
rrnicolay
Jan 12, 2021
Last message by
jschulze
Jan 13, 2021
9
Replies
499
Views
Invalid range error while modbus writing register value.
Mylara-Effone
Jan 11, 2021
Last message by
jschulze
Jan 13, 2021
3
Replies
409
Views
M
Modbus communication between a Delta PLC and a C# program
mike82
Jan 12, 2021
Last message by
mike82
Jan 12, 2021
0
Replies
660
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D
Modbus TCP/IP to SFTP Convertor
Dsanwal
Dec 28, 2020
Last message by
patrickduis
Jan 8, 2021
2
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754
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A
Conversion from IEC 60870-5-103 To Modbus
Amr Gamal
May 8, 2019
Last message by
David_2
Jan 6, 2021
2
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1K
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