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Problem of connectting RS485 device according to MODBUS


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Written on: 09. 05. 2019 [18:11]
balicsfu
Fu Justin
Topic creator
registered since: 09.05.2019
Posts: 1
Hi Roman,

I need to write the register of my rs485 device according to MODBUS, the MODBUS frame should be "0C 10 00 1B 00 02 04 7F FF FF FF A0 E8", there are 2 registers should be operated, how can I control the register number in the attributes list? what I wrote in the attributes list is "R:27:r:ti:ti", but the register number is always "00 01".

Thanks a lot!
Written on: 09. 05. 2019 [18:49]
roman
Roman Savochenko
Moderator
Contributor
Developer
registered since: 12.12.2007
Posts: 3558
"balicsfu" wrote:

Hi Roman,

Do not write here me personally: http://oscada.org/wiki/Special:MyLanguage/Works

"balicsfu" wrote:

I need to write the register of my rs485 device according to MODBUS, the MODBUS frame should be "0C 10 00 1B 00 02 04 7F FF FF FF A0 E8", there are 2 registers should be operated, how can I control the register number in the attributes list? what I wrote in the attributes list is "R:27:r:ti:ti", but the register number is always "00 01".

All these work and detailed wrote in the documentation and Quick Start!

Learn, learn and learn better than work, work and work.



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