Low Cost Torch Height Control Install and Setup Manual - CandCNC

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MACH then the UP and DOWN connections from the LCTHC to the BoB or G540 Interface need to be checked. You should be able to disconnect the LCTHC from the BoB inputs and test them manually with a jumper. Some better BoB’s will have LED indicators on inputs to show when they are active. That can help you troubleshoot an input problem. Finally the settings in MACH determine all of the pin setup and mappings. If you cannot get inputs to go active by manually testing an input (short it to it’s input common) then the problem is past the LCTHC and you need to get assistance on your particular Breakout. If you are using a G540 (either hardwired or through our G540 Interface Card and YOU BOUGHT THE G540 from US then we will help you through the troubleshooting even though it is past the LCTHC. If your G540 was purchased elsewhere please contact the vendor you purchased from. GETTING GOOD CUT QUALITY Cut Quality is a function of multiple factors: 1. Clean DRY Air supply 2. Sufficient and constant air pressure (typically 65 to 80 PSI) 3. Good (not worn out) consummables 4. Accurate Pierce Height (on every pierce). Initial Height Sensing. 5. Proper Cut Height (Arc Gap) Set by Preset value on LCTHC 6. Proper Feedrate for the material thickness and cut current you are using. 7. Proper Cut current set on the Plasma cutter for the nozzle and material you are cutting 8. Correct pierce sequence and delay 9. Proper settings of the THC Rate and CV settings in MACH (see this manual) 10. Good quality plasma cutter. Page 50
LCTHC CASE CUTOUT 5.000" 4.09" 1.441" 1.466" 2.58" 3.187" 2.390" 2.290" SIZE 1:1 TEMPLATE LCTHC FrontPanel REV1 08/06/2010
Page 1 and 2: Low Cost Torch Height Control Insta
Page 3 and 4: LCTHC MANUAL CONTENTS LEFT BLANK NO
Page 5 and 6: LCTHC MANUAL CONTENTS LEFT BLANK Pa
Page 7 and 8: Product Description Description You
Page 9 and 10: Product Description How Torch Heigh
Page 11 and 12: Product Description Using the Front
Page 13 and 14: Product Description Changing Settin
Page 15 and 16: Product Description Self Test Mode
Page 17 and 18: Installing Mach 3 software MACH Scr
Page 23 and 24: Installing Mach 3 software MACH Pin
Page 25 and 26: 1 2 1 2 3 1 2 3 IN 12VDC 65 Contras
Page 27 and 28: IN 1 2 1 2 3 1 2 3 65 Contrast VR1
Page 29 and 30: Initial Setup Section III Existing
Page 31 and 32: NC COM NC COM NC COM NC COM 6 Pin C
Page 33 and 34: Power Supply NEG Power Supply POS 1
Page 35 and 36: INSTALL and SETUP PRIMARY and/or SE
Page 37 and 38: J15 Tip Volts L4 R7 Workclamp + [PO
Page 39 and 40: J15 Tip Volts Workclamp + [POS] - [
Page 41 and 42: HYPERTHERM PowerMAX 45 Connecting T
Page 43 and 44: Hooking Up Your Plasma Machine to t
Page 45 and 46: 4. If your plasma unit does not hav
Page 47 and 48: PC w/MACH3 Grounding practices to r
Page 49: 7. To establish that the LCTHC is w

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