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HKC HQ-120 - User Manual

HKC HQ-120
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HQ Series Quarter-turn Electric Actuator
Installation Operation& Maintenance Manual
Doc No. : HumG-HQ-21 Rev2 Page 1 / 26 Valve Automation Leader, HKC
HQ Series Quarter-turn Electric Actuator
Installation, Operation & Maintenance Manual
Address : 26, Emtibeui 28-ro, Siheung-si, Gyeonggi-do, (15119) Republic of Korea
Tel : +82-31-488-8266, Fax : +82-31-488-8269, Home page : www.hkcon.co.kr, email : hkcon@hkcon.co.kr
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HKC HQ-120 Specifications

General IconGeneral
Connectivity TechnologyWired
PlatformPC
TypeGamepad
ModelHQ-120
ConnectionUSB
Buttons12
InterfaceUSB

Summary

1. Introduction

1.2. Safety Notices

Outlines precautions to reduce risk of injury and equipment damage.

4. Installation

4.1.2. Use in potentially explosive atmosphere

Precautions and requirements for installation in explosive environments.

4.2. Actuator Mounting

Details ISO5211 bolt patterns and mounting bracket requirements.

4.3. Limit Switch Setting

Steps for setting the limit switches for open and close positions.

4.4. Torque Switch Setting

Explains the function of the torque switch and overload protection.

4.6. Mechanical Travel Stop Adjustment

Procedure for adjusting the mechanical travel stops.

4.7. Setting Potentiometer (Replacement and Setting)

Procedure for re-calibrating the potentiometer if needed.

4.9. Proportional Control Unit

Details the AC and DC PCU boards and their specifications.

4.9.4. Main function and usage for PCU

How to select input/output signals using DIP switches.

4.9.5. Deadband setting

Explains deadband setting and its impact on positioning accuracy.

4.9.6. Deadtime setting

Explains deadtime setting for signal stability and noise prevention.

4.9.7. Auto setting

Steps for performing the auto-setting function for actuator configuration.

4.9.8. Fail close (FC), fail open (FO) and fail stop

Configuration of fail-safe modes (fail close, fail open, fail stop).

7. Maintenance

8. Trouble Shooting

8.1. Actuator Does Not Respond

Steps to diagnose unresponsive actuators, checking initial inspection and voltage.

8.2. Actuator Supplied with Power But Not Operating

Checks for voltage, torque, limit switch, and wiring issues.

8.3. Actuator Runs Erratically

Troubleshooting erratic operation by checking ambient temperature and duty cycle.

9. Installation and Maintenance Tips

Safety Warnings for Explosive Areas

Safety warnings for installation in potentially explosive areas.

Appendix II: Wiring Diagram

Appendix III: Grounding

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