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.
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Modbus Organization Replaces Master-Slave with Client-Server
Last message by
mercator
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Testing a 32-Input module with Modbus Master Sim & Arduino, beginner advice needed
Last message by
jschulze
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ABB CI853 Modbus issue
Last message by
mohsen252
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Modbus RTU Address changing through RS-485 communication.
Last message by
David_2
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Rs485 modbus fx5u mitsubishi plc and leadshine drive
Last message by
David_2
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1K
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davenardella
SnapModbus
Last message by
davenardella
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187
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Emerson Dixell XR75CX Modbus Registers
Last message by
rawrico
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GE Rx3i (Proficy ME 9.5): Protocol for reading floating points from power monitor using Modbus TCP
Last message by
David_2
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284
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Increasing baud rate from 9600 to 19200 fixes issues...why?
Last message by
SomeNerd
6
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363
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Connessione MODBUS rtu Pdc Clivet Sphera EVO 2
Last message by
apa
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471
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Cannot read Triconex (Tricon) aliased addresses
Last message by
jschulze
4
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307
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First venture into MODBUS, how to send a password?
Last message by
mrwee
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6K
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Kavin
Modbus timeout error
Last message by
jschulze
1
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407
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Mark VIe HMI Honeywell DCS modbus TCP/IP
Last message by
David_2
17
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4K
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LECTURE DE REGISTRE de l'automate SOFREL S550 ET PowerLogic PM5100
Last message by
jschulze
1
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177
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Making sense of a Modbus register
Last message by
jschulze
15
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970
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peteraj222
Modbus 32 ti 16 bit converter
Last message by
jschulze
9
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701
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Sharath
Facing error while doing modbus communication
Last message by
Sharath
2
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465
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Modbus TCP 32 bit value
Last message by
NetworkMan
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1K
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Modbus TCP/IP comunicazione via LAN
Last message by
apa
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682
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Janitza digital input readout
Last message by
phil2127
2
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364
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