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.
wsell
How to actually get measurement data from Modbus Gateway
Last message by
jschulze
1
Replies
511
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sn4p
Modbus connection to Trane Fan&Coil Unit
Last message by
David_2
3
Replies
543
Views
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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2K
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F
Modbus reading events and alarms
Last message by
filip12241224
0
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497
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H
modbus memory map got me confused - can you please help?
Last message by
hewking
2
Replies
636
Views
G
Wago cp 104vga 762 3104 modbus slave
Last message by
gbcobena
0
Replies
347
Views
B
plc modbus rtu timeout oscillascope
Last message by
David_2
4
Replies
830
Views
Historia 02
Cambiar Ascii a RTU
Last message by
David_2
4
Replies
612
Views
M
ModScan64 error message: "MODBUS message TIME-OUT"
Last message by
David_2
1
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1K
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M
Help with pyModbusTCP
Last message by
David_2
10
Replies
1K
Views
rudro101
Register address issue
Last message by
rudro101
5
Replies
713
Views
H
Modbus TCP - Ventillation system to Loxone home
Last message by
holian
0
Replies
756
Views
A
Probleme of Common mode noise on my RS485 Network
Last message by
ritchie labat
7
Replies
2K
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S
Modbus RTU to Modbus TCP converter
Last message by
ritchie labat
3
Replies
2K
Views
H
Best modbus protocol analyser required
Last message by
ritchie labat
6
Replies
1K
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K
The meaning of field "More Follows" in the response to the query MODBUS_READ_DEVICE_IDENTIFICATION
Last message by
jschulze
1
Replies
401
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M
Modbus-RTU Timout Last unit on Bus
Last message by
Marinus
4
Replies
1K
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D
When to use profibus over Fieldbus
Last message by
David_2
3
Replies
778
Views
M
interview question.
Last message by
oneye14
2
Replies
765
Views
E
Modbus For Deep Sea 7420 mkii tutorial and protocol
Last message by
Essien
3
Replies
4K
Views
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