Hypertherm XPR170 - How to Use Ohmic Contact Sense; Internal Ohmic Contact Sense; Ohmic Relay Overview

Connect for Communication
4
XPR170 Instruction Manual 810060 193
5. Connect the ohmic wire from the ohmic relay to J4 pin 2 on the ohmic PCB in the torch
connect console.
6. Connect the ohmic wire to the PCB connection for ohmic inside the lifter.
Figure 55 – Example external ohmic diagram
6
9
J27
J4
J3
J2
J1
7
1
2
3
4
5
6
9
8
1 0
1 Torch
2 Ohmic wire, inside torch and torch lead
3 Torch connect console
4 Ohmic wire, torch receptacle to ohmic relay
5 Ohmic relay
6 Ohmic wire, ohmic relay to J4
7 Ohmic PCB
8 Ohmic wire, J4 to lifter or third party ohmic
circuit
9 Torch lifter or third party ohmic circuit
10 Pin 1 and pin 2 on J4 are connected in the
ohmic PCB