Hypertherm XPR170 - How to Install a Remote On-Off Switch

Connect for Communication
4
196 810060 Instruction Manual XPR170
Examples of input circuits
Relay interface
Optocoupler interface
Amplified-output interface
The life of the external relay can be extended if you add a
metalized-polyester capacitor (0.022 µF 100 V or higher) in parallel with
the relay contacts.
+24 VDC
XPR
Power ground
External relay (AC or DC)
Output from
CNC/PLC
Transistor-output optocoupler
+24 VDC
XPR
Power ground
CNC/PLC
CNC/PLC
+24 VDC
XPR
12 VDC – 24 VDC
Active-high drive
Power ground
Power ground