KC868-A32 24VDC input voltage acceptable to Optocopplers?

[admin]

A32 power supply use by DC12v , if you must want to use DC24v, you can chose A32M + extend relay module (KC868-E16v2: use 24v relay).
if board's power supply is dc24v, so that digital input port suport 24V/0V for logical "0" and "1".
if board's power supply is dc12v, so that digital input port suport 12V/0V for logical "0" and "1".