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Feature: MODBUS RTU support #981

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dc42 opened this issue Apr 22, 2024 · 4 comments
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Feature: MODBUS RTU support #981

dc42 opened this issue Apr 22, 2024 · 4 comments
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@dc42
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3.6.0

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@dc42
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dc42 commented Apr 22, 2024

Add support for MODBUS RTU using any free Aux port in conjunction with a UART to RS485 converter and an IO_OUT pin to control the transmitter.
@dc42 dc42 added this to the 3.6.0 milestone Apr 22, 2024
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dc42 commented Apr 22, 2024

I have already reserved additional parameters to allow Mm260 and M261 to be used for thus, see https://reprap.org/wiki/G-code#M260:_i2c_or_Modbus_Send_Data.

@T3P3 T3P3 modified the milestones: 3.6.0, After 3.6 May 20, 2024
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developeralgo8888 commented Jun 24, 2024 •
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Why can't the dev team add RS485 support? Its critical in high speed automation to any third party devices and reliable. I was really surprised it was requested for RRF 3.6.0 and now it has been shifted to "After 3.6.0". Its disappointing.

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dc42 commented Aug 10, 2024

Modbus RTU support has been added to the 3.6-dev branch of RRF and is available in recent 3.6.0-alpha builds. See the new M260.1 and M261.1 commands. The V parameter of M261.1 is not yet implemented.

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dc42 commented Aug 16, 2024 •
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Implementation in 3.6-dev completed, tested by user.

@dc42 dc42 closed this as completed Aug 16, 2024
@dc42 dc42 modified the milestones: After 3.6, 3.6.0 Aug 16, 2024
@dc42 dc42 self-assigned this Aug 16, 2024
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