ClassicLadder modbus RTU slave

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14 Jan 2022 19:08 #231789 by bkt
Because can facilitate a lot ... on old post someone talk to me about possibility to set modbus RTU on classicladder as SLAVE of other master Modbus serial ... these for exchange data from an old pc to my classic ladder program Lcnc .... someone have these experiences ... because not see how can. Using "set ID slave" text box with "0" value or leave it black?

Or not possible at all?

regards

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14 Jan 2022 21:03 #231795 by Benb
Replied by Benb on topic ClassicLadder modbus RTU slave
Linuxcnc / Classic ladder manual for Modbus section 9 linuxcnc.org/docs/2.5/html/ladder/classic_ladder_fr.html Linuxcnc wiki wiki.linuxcnc.org/cgi-bin/wiki.pl?ClassicLadder_Ver_7.124 I don’t think Linuxcnc/classic ladder has a Modbus slave RTU built in.If you know bit of C language you can try writing your own user space Modbus RTU slave protocol using libmodus driver. Search internet and GitHub for examples to help you write the Modbus RTU slave communication protocol. libmodbus.org/  
The following user(s) said Thank You: bkt

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15 Jan 2022 08:00 #231870 by bkt
Replied by bkt on topic ClassicLadder modbus RTU slave
These my request is based on an old reply came from a developper ... at that time not try to do because use my ethernet comp.

regards

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