background image

10

Output circuit

Figure 3-4

3.2.2 X2-TORCH (to torch lifter motor)

It is a 5-pin socket, pin definition as follow

Pin

signal

specs

DC Motor Drive

DC motor connection

1 ,

2

Max 100W

Output

PWM

3

LIMIT COM

Limit

COM

4

Down LIMIT

Down limit input

Input

Limit switch normally closed

5

Up LIMIT

Up limit input

Input

Limit switch normally closed

Figure 3-5

Summary of Contents for CHC-200E

Page 1: ...Capacitive Torch Height Controller CHC 200F ...

Page 2: ...ontroller CHC 200F Instruction Revision 2017 TOMATECH AUTOMATION CO LTD 303 No 6 Minhuan Road Longhua New District Shenzhen China Tel 86 0755 85276656 Mob What s app 86 18617165968 Email tomatech 163 com Web www tomatech cnc com ...

Page 3: ... THC Attention Anti dust work DO NOT let metal dust into THC DO NOT use on plasma over 100A or HF plasma Installation Note CHC 200F uses AC24V GND Port must be well grounded GND resister 1Ω UP DOWN on THC must be same to Z axis Lifter IMPORTANT NOTE All our THCs have been tested in our workshop before delivery all commissioning work has been done Please NOT change the setting without informing you...

Page 4: ...V From THC to DC motor Output current CHC 200F 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 25mm HF cable 200mm 1800mm Product size shows as figure 1 1 L W H 176mm 105mm 50mm Figure 1 1 ...

Page 5: ...ision exist 4 When HF cable is disconnected or weakly connected it would be indicated on the disconnection indicator So after installation of HF cable just shake the HF cable the connection will be showed by the indicator 5 Sensitive and Accuracy is increased 100 6 CHC200F uses digital logic control circuit for logic control greatly improved anti interference performance 1 3 Work elements CHC 200F...

Page 6: ...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 HF cable Figure 2 1 ...

Page 7: ...de if disconnection happens torch would keep lifting up until it s solved C Collision Turn red when sensor ring collision happens both on manual auto mode Torch would keep lifting up until collision disappears At this moment press Down doesn t work If HF cable short connected with shield net it is same as collision to THC Buttons on operation panel Up Down Button It is active on any mode Priority ...

Page 8: ...missioning turn clockwise maximum to reach the highest height Sensitive On Auto Mode the Sensitive increases when it is turned clockwise Sensor ring Port 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 200F has only two connectors for installation one is to CNC X1 CNC the other one is to lifter motor X2 TORCH To ...

Page 9: ...s CHC200F AC24V 1 2 POWER The rated power should be more than motor 20w Collision output to CNC 3 Collision OC door open output Max drive current 200mA 4 COM I O COM 5 UP Up control low level effective 6 DOWN Down control low level effective 7 AUTO MAN Auto control low level effective ...

Page 10: ...HC 200F 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 11: ...a 5 pin socket pin definition as follow Pin signal specs DC Motor Drive DC motor connection 1 2 Max 100W Output PWM 3 LIMIT COM Limit COM 4 Down LIMIT Down limit input Input Limit switch normally closed 5 Up LIMIT Up limit input Input Limit switch normally closed Figure 3 5 ...

Page 12: ... bridge drive PWM speed control 2 CHC 200F 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 Limit switch connection as figure 3 6 ...

Page 13: ...he edge effect during cutting edge of workpiece and it anti collision more effectively as showed in Figure 4 1 4 3 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 TOMATECH Please inform us when order it 4 2 2 Commissioning 4 2 1 Test after installation Up Down...

Page 14: ...w when cutting torch touches the workpiece motor will be on a shocking state THC always drives motor to make sensor ring close to the Balance Position the set Auto Height and it stops when ring is around the Balance Position 0 2m lower or higher The closer the more slowly the motor runs Auto sensitivity meets the request of THC when sensor ring is 5 20mm away from workpiece 4 2 2 Commissioning Ste...

Page 15: ... limit switch of the CHC 200F is Normally Closed NC 4 After all function test ok then do the auto setting work found the Height First please turn the Height knob at the middle position and press the UP and DOWN with 2s at the same time THC begins to detect and set automatically Second During the Auto setting process the torch will go up to the up limit if not the up limit switch THC will go up wit...

Page 16: ... please do not adjust before inquiry 2 About the buzz sound of the motor when at the balance position It s normal phenomenon CHC 200F s driver circuit is adopted th e H bridge circuit controlled by the PWM drive way to realize the speed adjustion PWM is 9KHz when at the auto balance mode the motor will send buzz sound NOTE CHC 200F has be en adjusted ok before delivery please DO NOT adjust the THC...

Page 17: ......

Reviews: