Wiring a chinese tool presetter.

I picked up one of these tool setters from eBay The price is right (USD $66) but the documentation is non-existent. Literally nothing in the box but the device itself. The only wiring info I have is this image from the listing and the limited specs. Has anyone used of these? Recommendations on wiring? (Mesa 5i25/7i77)



Specifications:

Model : Automatic tool setting
Color : Black + Silver
Material: Grinding 4S+ superhard alloy
Output mode: Normally open

Normally open specification technical parameters:
Output mode: A: NO (normally open)
Pre-stroke: about 0.5mm
Stroke: 5mm
Repeatability: 0.001mm (condition: operating speed 50-200mm/min)
Contact life: 3 million times
Protection structure: IP67
Contact force: 1.5N (installation status: vertical)
Contact material: super hard alloy
Housing material: grinding 4S
Contact rating: DC24V 20mA (MAX) (recommended value 10mA) resistance load
Cable: 5m oil resistant *6 core ,5.5 tensile strength 30N minimum bending radius R7
Protection tube: 2.5m minimum bending radius R25
LED light: normally open
Alarm signal when the stroke is exceeded

Output mode: B: NC (normally closed) (2.5mm from the measurement signal)
Contact rating: DC24V 100mA (resistance load)

Just a WAG but similar devices seem to be like NO proximity switches
so you might try powering the device through the power wires (green and black)
and seeing what Yellow does when the device is tripped

I suspect Yellow will be grounded (connected to Green) when tripped

To connect this to a 7I77 input, you will need a pullup resistor from +24 to the Yellow wire+7I77 input
(suggest 2.4K to match their suggested load current)

PS love those Chinese color codes...

So the input the yellow cable is attached to motion.probe−input

The red wire is used to sense if you go beyond the safe limit of travel so you don't smash the toolssetter. I think I'd attach it to a limit switch input (or OR2 it with an existing limit switch input). You might need to use the -not pin for that input.

By connecting it as a limit switch, you'll be able to jog off it with "Ignore Limits"

Just my idea, never used one.

Why not fire a relay with the red wire and place it in series with Z limit. That way you could override and jog off.

There is a pneumatic fitting on that toolsetter. What does that do?
Is there a tool-cleaning air blast feature?
Unlikely at the price, but maybe two of the wires operate an air solenoid valve?

It's a port for the air blast. There's no solenoid to control, it's just the port plumbed up to the jet at the top of the metal feature.