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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Gree VRF Modbus
Last message by
Ajeer
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Modbus connection error
Last message by
jschulze
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First venture into MODBUS, how to send a password?
Last message by
mr_sjappie
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jfenwick
Cheap Modbus TCP module similar to STRIDE Field I/O?
Last message by
Sumpi
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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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118
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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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200
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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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315
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Increasing baud rate from 9600 to 19200 fixes issues...why?
Last message by
SomeNerd
6
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396
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Connessione MODBUS rtu Pdc Clivet Sphera EVO 2
Last message by
apa
4
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499
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Cannot read Triconex (Tricon) aliased addresses
Last message by
jschulze
4
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324
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Kavin
Modbus timeout error
Last message by
jschulze
1
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430
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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
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186
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Making sense of a Modbus register
Last message by
jschulze
15
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peteraj222
Modbus 32 ti 16 bit converter
Last message by
jschulze
9
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728
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Sharath
Facing error while doing modbus communication
Last message by
Sharath
2
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484
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