MC508 Absolute encoder support

MC508 Absolute encoder support

Absolute encoder support was added recently in firmware  2.0298 + FPGA version 0A.

 

Axes 0 to 7 will support SSI, BiSS and EnDAT

Axis 8 will support SSI, BiSS and Tamagawa

Axes 9 to 15 are still stepper only

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