LS-THC (Torch Height Control)

Plasma Cutter Wiring (Raw and Divided) A place to share with others how to wire your specific plasma cutter to the LS-THC VIM module for Raw or Divided Voltage input. Helpful guides will be ‘stickied’ to the top of this thread for easy access. Please refer to the Langmuir Systems LS-THC User Guide for proper installation instructions.

Topic	Replies	Views	Activity
Hypertherm 30 xp VIM Box RAW Voltage Wiring Quick Guide Pics LS-THC (Torch Height Control) Here is a quick guide pics to connect a VIM box ( Raw Voltage ) side to a Hypertherm 30 xp.	17	4820	February 2, 2024
THC Arc Voltage Troubleshooting Guide LS-THC (Torch Height Control) Please find our comprehensive LS-THC troubleshooting guide here: https://forum.langmuirsystems.com/t/ls-thc-arc-voltage-troubleshooting-guide/8193/2	5	4148	January 2, 2026
About the LS-THC (Torch Height Control) category LS-THC (Torch Height Control)	2	1879	March 23, 2020
Thc problems Torch just kept rising LS-THC (Torch Height Control)	10	125	August 16, 2026
Sudden loss in voltage? LS-THC (Torch Height Control)	10	114	July 1, 2026
Torch elevating too high during cut,? LS-THC (Torch Height Control)	12	130	June 23, 2026
Harbor Freight Titanium 65 wiring LS-THC (Torch Height Control)	5	267	June 1, 2026
VIM Box Continuity LS-THC (Torch Height Control)	28	1602	June 1, 2026
Replacing resistors in VIM box LS-THC (Torch Height Control)	16	414	March 18, 2026
wont run with thc LS-THC (Torch Height Control)	4	65	March 3, 2026
LS-THC low or no voltage Issue solved.....at least for now LS-THC (Torch Height Control)	5	535	January 11, 2026
Titanium 65 wiring LS-THC (Torch Height Control)	31	6656	December 6, 2025
New thc and limit switch issues LS-THC (Torch Height Control)	7	131	December 1, 2025
Issues with THC LS-THC (Torch Height Control)	0	94	November 20, 2025
Powermax 800 raw voltage LS-THC (Torch Height Control)	0	26	November 12, 2025
THC Just stays in one place LS-THC (Torch Height Control)	10	136	November 11, 2025
Propoint 45A trigger pins Plasma Cutter Wiring (Raw and Divided)	10	126	October 16, 2025
Any one seen this cable LS-THC (Torch Height Control)	7	155	September 21, 2025
Cutting Voltage Lost During Cut Crossfire XR LS-THC (Torch Height Control)	11	210	August 19, 2025
Cut height higher than what is set LS-THC (Torch Height Control)	13	320	June 18, 2025
LS-THC Problem with head staying down LS-THC (Torch Height Control)	1	76	May 13, 2025
Macbook Pro power supply causes THC to stop working LS-THC (Torch Height Control)	1	71	April 21, 2025
IHS THC not working properly Plasma Cutter Wiring (Raw and Divided)	9	176	March 23, 2025
Titanium Plasma 65 CPC port Plasma Cutter Wiring (Raw and Divided)	8	389	January 22, 2025
Tomahawk 625 compatability Plasma Cutter Wiring (Raw and Divided)	0	40	January 22, 2025
Razorweld 45 50:1 pins Plasma Cutter Wiring (Raw and Divided)	1	71	January 16, 2025
New razorweld 45 connections on XR Plasma Cutter Wiring (Raw and Divided)	1	164	January 16, 2025
THC rises and does not come back down in the same cut LS-THC (Torch Height Control)	12	192	December 15, 2024
Lincoln Tomahawk 625 Raw Voltage Question LS-THC (Torch Height Control)	14	331	December 5, 2024
IHC cable connections (SOLVED) LS-THC (Torch Height Control)	3	133	November 25, 2024