5i24 Configuration Help

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15 Oct 2021 16:09 #223210 by ArkaumIndustries
I have a machine that needs 2x 7I44 rs485 cards and a 7I84 IO card. I have a 5I24-25 FPGA to connect everything to the computer. I see the pncconf doesn't currently support the 5I24 cards, How should I go about getting linuxCNC configured and getting the correct firmware for the fpga card.

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15 Oct 2021 20:44 #223228 by PCW
Replied by PCW on topic 5i24 Configuration Help
What other I/O do you need?

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15 Oct 2021 23:20 #223257 by ArkaumIndustries
The 7i84 is all I plan on using for IO. The rs485/422 cards need to interface to 7 fanuc encoders, 4 servo drives, a vfd, and the 7i84.

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16 Oct 2021 01:32 #223268 by PCW
Replied by PCW on topic 5i24 Configuration Help
The SSerial for the 7I84 and Fanuc encoders are supported but generic
RS-422/485 devices are not currently supported by the driver.
There is a FPGA UART device that supports RS-485 line turnaround but it is not fully supported by the LinuxCNC driver so doing things like Modbus would be awkward..

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16 Oct 2021 01:44 #223269 by ArkaumIndustries
The drives don't need a full modbus protocol, its basically just a ASCII stream. I'm using rs485/422 since its more immune to noise, it gets converted to uart at the drives.

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18 Oct 2021 23:25 #223509 by andypugh
Replied by andypugh on topic 5i24 Configuration Help
I think that I would be tempted to generate a 5i25 config just to set up the file structure and then basically delete all of the HAL and start from scratch.
Your config is going to look very much unlike a normal config anyway.

It sounds like a fun one.

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