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HKC LCU-P, Installation, Operation & Maintenance Manual

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 LCU-P 

 Installation, Operation & Maintenance Manual 

Doc. No.: HumG-LCUP-19 Rev.0 E

                      

 

Page 1 / 14

 

        

   Valve automation leader HKC

 

 
 

Local Control Unit - P 

(LCU-P with PCU function integrated) 

 

Installation, Operation & Maintenance Manual 

 

 
 

 
 

26, Emtibeui 28-ro, Siheung-si, Gyeonggi-do, (15119) Republic of Korea

 

Tel: +82-31-488-8266, Fax: 82-31-488-8269,  www.hkcon.co.kr 

 

 

Summary of Contents for LCU-P

Page 1: ... 19 Rev 0 E Page 1 14 Valve automation leader HKC Local Control Unit P LCU P with PCU function integrated Installation Operation Maintenance Manual 26 Emtibeui 28 ro Siheung si Gyeonggi do 15119 Republic of Korea Tel 82 31 488 8266 Fax 82 31 488 8269 www hkcon co kr ...

Page 2: ... contacts control command contact 6 6 2 External output signal contacts 7 7 Main function and usage for Remote modulating control proportional control 8 7 1 Select input signal switch 8 7 2 Set feedback type 9 7 3 Deadband setting 9 7 4 Deadtime setting 9 7 5 Auto setting 10 7 6 Fail close FC fail open FO and fail stop 10 7 7 Auto full action AF 11 7 8 Reverse mode I R 11 7 9 Irregular command set...

Page 3: ...or death CAUTION Directs the user s attention to general precautions that if not followed could result in personal injury and or equipment damage Notes Highlighted information is critical to the user s understanding of the actuator s installation and operation 2 Check point before using the actuator 2 1 Make sure that the actuator specification model number main power control power optional items ...

Page 4: ...nce 500Ω max Dead time 0 2 7 5 sec It can be set in 16 step Step 0 0 2 sec Step 1 4 0 25 1sec 0 25sec step Step 5 15 2 5 7 5sec 0 5sec step Dead band 0 4 7 5 It can be set in 16 step Step 0 4 0 4 0 8 0 1 step Step 5 9 1 1 8 0 2 step Step 10 15 5 7 5 0 5 step Fault mode Fail close Fail open Fail stop Position conversion accuracy 0 2 to 5 may vary depending on conditions Ambient temperature 20 to 80...

Page 5: ...rogress the open red LED is flickering 6 If Opening is completed the open red LED will be maintaining as on 7 After that the actuator is stopped Terminal block Switch No Part No Part No Part 1 Relay output signal 8 Phase check connector 15 Deadband deadtime 2 3 phase motor connector 9 Communication port 16 Close black Open white ASCAN red button 3 Condenser connector 1ph 10 Limit torque s w Signal...

Page 6: ...y contacts control command contact 6 1 1 Command function is activated when is input an action by external dry contact 6 1 2 Hold Inching can be selected by changing the 3 pin Dip Switch SW2 specified in No 20 of 4 LCU P board layout Pin No 2 select as Hold On Inching Off 6 1 3 Connect the actuator terminal from outside refer to Fig 1 as below Fig 1 Actuator terminal wiring 6 1 4 The actuator does...

Page 7: ...amp A contact normal open Checking with No 10 and No 12 terminal The contact is changed when the actuator is moving to open Fault lamp Possible to select A contact normal open B contact normal close Checking with No 10 and No 13 terminal The contact is changed when the actuator is fault activated on the torque switch It is possible to select the contact by 3 pin DIP switch SW2 of LCU P layout No20...

Page 8: ...ctuator is stopped at open position 8 The close LED green is flickering for closing 9 Completed to close the green LED is On 10 After that the actuator is stopped at close position 7 Main function and usage for Remote modulating control proportional control 7 1 Select input signal switch Depending on the system environment the user can select the required command signal type by setting the DIP swi...

Page 9: ...tep 1 0 1 8 Step A F increase 0 5 increment per step 5 0 7 5 Initial setting is 4 7 3 4 If the setting value is too lower the actuator may not be found the target point and it may be repeatedly operated in forward or reverse direction This is called Hunting and the user must appropriately adjust the deadband to avoid from the hunting 7 3 5 Continuous hunting causes a failure of the actuator parts ...

Page 10: ...m to Off from On of the blue LED 4 Operate Open of the action knob within 3 seconds 5 Confirm to Off from On of the blue LED as holding status for about 5 seconds 6 Change to Local of the mode knob and then turn to Stop 7 Not need to open the LCU cover 7 5 6 After pushing the A SCAN Auto setting is performed as follows Flickering the blue LED continuously Green LED is flickering during closing the...

Page 11: ...able setting range of the Span signal about 16 21mA dc Example Set as the 5 mA dc was apply to Zero and 19 mA dc was Span signal Confirm the mode knob position as Stop Turn on No 4 I S input set of the DIP SW4 Quickly flickering both of the red and green LED About 1 5 second later quickly flickering the green LED only Input 5mA to command signal at the input terminal and then push to unlock the Ze...

Page 12: ...yellow LED is on and off Green LED is on and confirm that red LED is flickering Adjust output signal value as 20 mA pushing the Zero or Span button Confirm the 20 mA output press A SCAN button red Confirm the yellow LED is on and off Confirm the red LED is on Flickering both of the red and green LED at the same time and then waiting to flicker the green LED only Turn off No 4 of the DIP SW3 If the...

Page 13: ... EEPROM Off On On On 8 Abnormal of initial set point On Off Off Off 9 Abnormal of initial auto setting On Off Off On 10 Lose of set point On Off On Off 11 Reverse turn the motor On Off On On 12 Abnormal of set point selection On On Off Off 13 Abnormal of potentiometer On On Off On 14 Abnormal of opening On On On Off 15 Abnormal of closing On On On On 9 LCU P operating Actuator position Fully close...

Page 14: ...nce Manual Doc No HumG LCUP 19 Rev 0 E Page 14 14 Valve automation leader HKC 10 LCU P wiring diagram HKC Co Ltd Address 26 Emtibeui 28 ro Siheung si Gyeonggi do 15119 Republic of Korea Tel 82 31 488 8266 Fax 82 31 488 8269 www hkcon co kr ...

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