Modbus

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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.
1miket1
ControlWave Micro Modbus bad data?
Last message by
David_2
1
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1K
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J
HMI Modbus TCP/IP Device Communication
Last message by
jschulze
7
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4K
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J
Modbus TCP comms between Eurotherm controllers and GE IC695ETM001 module (RX3I)
Last message by
David_2
2
Replies
1K
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M
Communication issue Intouch - Schneider M580
Last message by
seatocl
2
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1K
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K
Modbus RTU to TCP/IP
Last message by
kris
12
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4K
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M
Question about ModBus slave addresses
Last message by
Maik Staberock
8
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4K
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patrickduis
Excellent explanation on how Modbus works
Last message by
patrickduis
0
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1K
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wsell
How to actually get measurement data from Modbus Gateway
Last message by
jschulze
1
Replies
932
Views
sn4p
Modbus connection to Trane Fan&Coil Unit
Last message by
David_2
3
Replies
1K
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M
How to set USB port as RS-485 entrance? How to interpret Growatt inverter commands?
Last message by
jschulze
3
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6K
Views
F
Modbus reading events and alarms
Last message by
filip12241224
0
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1K
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H
modbus memory map got me confused - can you please help?
Last message by
hewking
2
Replies
2K
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G
Wago cp 104vga 762 3104 modbus slave
Last message by
gbcobena
0
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649
Views
B
plc modbus rtu timeout oscillascope
Last message by
David_2
4
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1K
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Historia 02
Cambiar Ascii a RTU
Last message by
David_2
4
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1K
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M
ModScan64 error message: "MODBUS message TIME-OUT"
Last message by
David_2
1
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4K
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M
Help with pyModbusTCP
Last message by
David_2
10
Replies
3K
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rudro101
Register address issue
Last message by
rudro101
5
Replies
1K
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H
Modbus TCP - Ventillation system to Loxone home
Last message by
holian
0
Replies
1K
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A
Probleme of Common mode noise on my RS485 Network
Last message by
ritchie labat
7
Replies
3K
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