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Hello, I have to calculate the CRC16 of a MODBUS string. Unfortunately I have no idea how can I do...------------------------------------------------- ' returns the MODBUS CRC of the lbuf first bytes of "buf" buffer (buf is a global...
link: sting my modbus data : 010107DE000A ----> crc DD43 ( expand modbus why different I dont know...
link: Mr. taktrashe, I really thank you, your code was very helpful. When I used COM Port Monitor, I wo...
link: I tried BAJ and it is work.. 010107DE000A----> CRC 17373 43DD hex thanks for share...

Hello everyone, Given the difficulties in finding a "ready-made" library for Modbus TCP... server can't reply to me") All code run in background. ModbusTCP Author: Walter Maniero...
link: Hello everyone, Given the difficulties in finding a "ready-made" library for Modbus TCP...
link: This can read Analog Inputs? I need to read Temperature things and so on...
link: As ModbusQuery = ModbusClient.CreateQuery(1,0,100) Dim Myquery2 As ModbusQuery = ModbusClient...

Hi, All Anyone already tried to implement Master side of Modbus protocol over RS485 interface ? Any shared code (even to be paid) ?...
link: (ReceivedCRC, CalculatedCRC) = 0 Then Main.Modbus_NewData(c) 'pass the received data block...
link: Hi, All Anyone already tried to implement Master side of Modbus protocol over RS485 interface...

cross-platform coding of MODBUS RTU sensor's protocol ? Any links to MODBUS code modules ?...
link: Here is another link for Modbus Library for Arduino. Can experts convert it to B4X? Thanks. https...
link: Hi, There is Modbus Java Library https://github.com/rossmann-engineering/EasyModbusTCP.Java and...
link: No. The code will be too different....

Hello, Has anyone successfully created a project that can communicate (Get & Set) with ModBus RTU I have already seen this post --> https://www.b4x.com/android/forum/threads/modbus-rtu...
link: 90263 Modbus Function Code Support...
link: THanks. BUt how to use with such adapter ? 117759 In this model, the converter automatically sends...
link: Thanks. But how to use with such adapter ? Without direction. 117759117760...

Hello everyone, Here a modbus TCP master library, fully programmed in b4j. This library is asynchronous, by use of the asyncstreams and Callback method. The response is an event, a separate sub...
link: I saw in the The example was made to only read holding registers. The datatype is a conversion of r...
link: The example was made to only read holding registers. The datatype is a conversion of returned holdin...
link: : https://www.b4x.com/android/forum/threads/modbus-tcp-library.144028/#content Kind regards, Coldrestart...

Thank you very much Erel!!...
link: It happens because modifying files under "Program Files" requires administrator privileges...
link: Nevermind, i found how but now i cannot delete it "Access is Denied" 148031...
link: How do i do that? As i understand, the Libs extension is B4XLIB it cannot be Unzip Or i just need to...

Hey guys, I'm looking for some help with this program, basically what im trying to do is access to every Range given from a PLC Allen-Bradley. I already connected through my B4A application but when i tried to get the Register, it returns the register 1 but actually is the register number 404097 that goes from 404097 to 405376 and it's divided by sections. Would be very helpful if you can ...

b4r, esp8266, modbus communication (over rs485). Any way to do it? I have a rs485 to ttl adaptor, Cheers...
link: Yes that is correct The MAX485 has an input to allow selection between send and receive...
link: I did ModBus but over rs422. As long as I remember, rs485 must be switched active/passive....
link: This Panasonic manual has a clear description of the Modbus protocol...

The examples contain a class named MB_TCP_MASTER, I think this is what you're looking for. As @C...
link: https://www.b4x.com/android/forum/threads/asynchronous-modbus-tcp-master.119437/#post-918790...
link: https://www.b4x.com/android/forum/threads/asynchronous-modbus-tcp-master.119437/#post-918790...
link: Hello Masters, Is there are any modbus library available for B4J . Please point me if anything...