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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Exchanging alarm states with modbus
Last message by
ControlsGuy25
11
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176
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Advaith
Establishing Modbus TCP communication
Last message by
David_2
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2K
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Modbus Communication between EATON Power Meter and Accuenergy Data Acquisition Server
Last message by
David_2
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22
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BurhanSpeaks
DTM browser on Schneider M-580 not reading more than one request.
Last message by
ControlsGuy25
3
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94
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Modbus RS485 to CAN configuration
Last message by
ControlsGuy25
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28
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383
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Modbus communication between a Delta PLC and a C# program
Last message by
ControlsGuy25
2
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1K
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modbus communication error
Last message by
jschulze
11
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573
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Modbus TCP/IP on Ethernet Cable Maximum Distance
Last message by
NetworkMan
2
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848
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Modbus Devices
Last message by
NetworkMan
3
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590
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Why is there no safe communication protocol (SIL 2/3) for Modbus?
Last message by
NetworkMan
2
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1K
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MODBUS transmission limits???
Last message by
NetworkMan
3
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381
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Transmission of RS232 serial data of Fire Alarm to MODBUS
Last message by
willpoll
8
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1K
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A
Modbus and SIL
Last message by
Preeju
7
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1K
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patrickduis
Using both Modbus TCP and Profinet on the same ethernet cable
Last message by
jschulze
1
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199
Views
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Communication EXOR ePAD05 - Schneider TSXETG100 RS232
Last message by
bertus
4
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296
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Illegal adress for a 32 bit value
Last message by
Searme
4
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246
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Starting Element
Last message by
HPC
3
Replies
226
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Multibyte Length (Parser)
Last message by
HPC
2
Replies
268
Views
K
Omni 6000 and GE WorkstationST
Last message by
ControlsGuy25
1
Replies
266
Views
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Conversion from IEC 60870-5-103 To Modbus
Last message by
Babaicool
3
Replies
1K
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