Unable to connect through USB
Check that port is in USB2 mode not USB3
Mon, 25 May, 2020 at 9:30 AM
How to put CPU5A3/CPU5A4/CPU5A4E in bootloader mode
Ensure that jumper JMP1 is removed (as pictured below) When JMP1 is removed, the board will stay in bootloader mode for a moment after being powered up...
Thu, 13 Jan, 2022 at 2:38 PM
Does the CPU5Ax have an external error input ?
The CPU5Ax does not have a dedicated external input.  However, if configured, the spindle input can be used as an external error signal.
Wed, 15 Jun, 2022 at 11:12 AM