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I'm trying to develop a modbus rtu slave app. I've tried to use: j2mod, jamod, modbus4j, jmodbus. Non of them is working as I wanted to. I've googled for some examples but there is a lack of modbus rtu slave.

Could you please provide any links/codes/suggestions ?

Cheers

Dux_inf
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1 Answers1

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there aren't many pc/phone/tablet mobdus rtu slave java implementantion because the rtu protocol must obey to strict timing to respect the standard. Usually pc/phone ecc.. acts as master because modbus is a protocol for industrial devices that have register input/ outputs things that are not present in most of these devices.

the only suggestion i can give is to try to implement it is not so hard i saw you tagged rxtx try to use https://code.google.com/p/java-simple-serial-connector/

and for the implementation of the protocol the modbus organization provides documentation on how to implement the protocol because is free

http://www.modbus.org/docs/Modbus_Application_Protocol_V1_1b3.pdf

Roberto Zanichelli
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