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Hyd CHC-200E Instruction Manual
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Hyd CHC-200E Instruction Manual

Capacitive torch height controller
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Capacitive Torch Height Controller
CHC-200E Instruction
(Revision 2011)

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Summary of Contents for Hyd CHC-200E

  • Page 1     Capacitive Torch Height Controller CHC-200E Instruction (Revision 2011)

  • Page 2: Installation Note

    深圳市宏宇达数控技术有限公司 SAFETY： Please read this manual fully before use CHC-200E DO NOT open cabinet of THC unless trained technician. DO NOT adjust the sealed resister. Turn off Powersupply if when THC is unused. DO NOT put liquid on THC. Attention Anti-dust work, DO NOT let metal dust into THC.
  • Page 3 深圳市宏宇达数控技术有限公司 1 Intro 1.1 Basic specs Power supply： CHC-200E：AC24V±10%，50Hz/60Hz； DC motor used on lifter： CHC-200E：DC24V； Output current： CHC-200E：1A-4A，max：100W； Work temperature：THC-10∽60℃； HF cable：-10∽200℃； Sensor parts：-10∽350℃。 Accuracy：±0.1mm (matters with lifter design)； Auto height range：from cutting material surface 1mm — 20mm. HF-cable:200mm∽1300mm。 Product size shows as figure 1-1 L*W*H：176mm * 105mm * 50mm。...
  • Page 4 (steel, metal material) via detecting the capacitance between the two parts, and keep the two parts at a set distance by control the DC motor move. CHC-200E is a closed-loop control system, with 4 parts: Position Signal Sensing, Signal Process, Logic Control and Motor Drive.
  • Page 5 深圳市宏宇达数控技术有限公司 2 Components 2.1 For flame cutting CHC-200E/300 full package includes follow parts: THC control module, socket connector, sensor ring, elastic connector, insulation part, fixture, HF cable. As figure 2-1shows， THC control Socket module connector Sensor ring elastic connector insulation part fixture...
  • Page 6 深圳市宏宇达数控技术有限公司 3 THC control and connection 3.1 operation panel intro. （Power） (Height found) (Disconnection) (collision) AUTO HEIGHT adjustor Auto/manual SENSITIVE adjustor Connect to sensing part Indicator intro Figure 3-1 Indicators： P Power：Power indicator, red, Off means no power supply. H Height Found： Turn on when torch reaches auto height, green. D Disconnection：...
  • Page 7 One end of HF Cable link with the socket, the other end link with the sensor ring groupware 3.2 THC Connectors As figure 3-2 shows， CHC-200E has only two connectors for installation, one is to CNC （X1-CNC） , the other one is to lifter motor (X2-TORCH).
  • Page 8 深圳市宏宇达数控技术有限公司 3.2.1、X1- CNC ( TO CNC) It is a 7-pin socket, pin definition as follow， signal Specs CHC200E：AC24V CHC-300：AC/DC 24V POWER Collision output to CNC，OC door open output Collision Max drive current :200mA I/O COM Up control, low-level effective Down control, low-level effective DOWN Auto control, low-level effective AUTO/MAN...
  • Page 9 深圳市宏宇达数控技术有限公司 Figure 3-3 CHC-200E to CNC (X1-CNC),input/output both use optical isolation, UP/DOWN/AUTO is external signal input to THC, Collision output from THC. All those signals share same COM. The input/output shows as Figure 3-4, Input circuit...
  • Page 10 深圳市宏宇达数控技术有限公司 Output circuit Figure 3-4 3.2.2 X2-TORCH (to torch lifter motor) It is a 5-pin socket, pin definition as follow， signal specs DC motor connection DC Motor Drive Max 100W （Output） Limit LIMIT COM Down limit input Down LIMIT （Input） Limit switch normally closed Up limit input Up LIMIT...
  • Page 11 1、Pin 1、2 are DC motor connector，H bridge drive，PWM speed control. 2. CHC-200E limit switch must be normally closed contact, when one side limit is open, the move at this direction must be stopped，but the other direction move is still effective.
  • Page 12 THC inside circuit configuration as follow, Balance point adjustor JP2 discon Jumper Frequency/current set Fuse Disconnection adjustor CHC-200E Figure 3-7 1、 Balance point adjustor (R39) It is to control THC find the balance point on Auto mode ( balance point—torch stops at this position when it reaches the set auto height).

  • Page 13: Installation And Commissioning

    深圳市宏宇达数控技术有限公司 Current feedback circuit as follow, Current ： PWM=9KHZ ： PWM=18KHZ Figure 3-8 4. Installation and Commissioning. 4.1  4.1.1 Sensor ring installation  47mm Figure 4-1 flame cutting installation...
  • Page 14 Figure 4-1. While on plasma cutting, the sensor ring shall be installed little higher than the torch head, to avoid the effect of plasma arc voltage, and it needs a special insulation part supplied from HYD. 2 Commissioning.
  • Page 15 Connect the HF cable back, if the indicator is not turn off, then turn R47 clock-wise till it turns off. Collision CHC-200E has Anti-collision function, it is effective on both manual/auto mode. When steel or other conductive item touches sensor ring, torch lift up, and the collision signal is sent out from the Pin3 of 7-pin socket(OC door), when CNC receives this signal, machine pauses and waits for treatment of collision.
  • Page 16 深圳市宏宇达数控技术有限公司 B、None collision or disconnection As the difference of cutting torch, THC can not find the Balance Position in all range of Height adjustor, torch keeps lifting up or down. In this situation, DO NOT open the THC cabinet, just do it as follow introduction, shows as Figure 4-3.
  • Page 17 深圳市宏宇达数控技术有限公司 When torch can stops at a set height by adjusting R39, then turn Height button to set the Auto height at right high on Auto mode. Note: The THC has passed all commissioning work before delivery, please NOT adjust the inside resistor without informing your supplier.