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Koei Industry Nucom L50S Operation Manual

Electronic control actuator
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ＡＣＴ－Ｎ０５Ｅ－１
ELECTRONIC CONTROL
ACTUATOR
" Nucom Series "
LINEAR TYPE
Nucom – L50S
OPERATION MANUAL
Koei Industry Co., Ltd.

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Summary of Contents for Koei Industry Nucom L50S

  • Page 1 ＡＣＴ－Ｎ０５Ｅ－１ ELECTRONIC CONTROL ACTUATOR “ Nucom Series “ LINEAR TYPE Nucom – L50S OPERATION MANUAL Koei Industry Co., Ltd.
  • Page 2 ＡＣＴ－Ｎ０５Ｅ－１ FOR YOUR SAFETY In order for better and safety use of the product for a long period, please observe this “WARNING and CAUTION “ carefully. Here are the specification and operation manual for the product to prevent suffering injury or loss by accidents. The contents are divided into “WARNING”...

  • Page 3: Table Of Contents

    ＡＣＴ－Ｎ０５Ｅ－１ CONTENTS 1. GENERAL 2. CONFIGURATION AND NAMES OF PARTS 3. FUNCTIONAL SPECIFICATION 4. OPERATION PRINCIPLE 5. INSTALLATION 5-1 Installation place 5-2 Ambient temperature, fluid temperature 6. ASSEMBLY WITH A VALVE 7. WIRING 7-1 Wiring with power / input signal 7-2 Wiring work 8.

  • Page 4: General

    ＡＣＴ－Ｎ０５Ｅ－１ 1.GENERAL The system is a linear type Electronic Actuator to continuously position valve opening with direct signals (4 ~ 20mA) from a controller or computer. The system is robust, maintenance free and far more precise (Resolution 1/250) than traditional pneumatic actuators, and will help save process equipment and running costs.

  • Page 5: Functional Specification

    ＡＣＴ－Ｎ０５Ｅ－１ 3. FUNCTIONAL SPECIFICATION MODEL Nucom-L50S ITEM AC100/110/115/120V±10% (50/60 Hz) RATED VOLTAGE AC200/220/230/240V±10% (50/60 Hz) 4~20mA DC(1~5V DC) (Standard ) INPUT SIGNAL 4~12/ 12~20 mA DC(Option ) SHAFT OUTPUT 1,470N(150kgf) OPERATION SPEED 1.25mm/sec(50Hz) 1.50mm/sec(60Hz) SHAFT STROKE 0~50mm RESOLUTION Over 1/250 DEAD ZONE 0.5% F.S.

  • Page 6: Operation Principle

    ＡＣＴ－Ｎ０５Ｅ－１ 4.OPERATION PRINCIPLE Control pack (Electronic module) makes relational operation between input signals (4 ) and ~20mA position signals detected by potentiometer, and drives motor in direction to balance both the signals. Motor stops at the position where both the signals are balanced. Motor revolution (Direct and reverse) is transmitted in the order of Gear head 2-Speed gear A...

  • Page 7: Installation

    ＡＣＴ－Ｎ０５Ｅ－１ CAUTION ON ENVIRONMENTAL INSTALLATION CONDITIONS 5. INSTALLATION 5-1 Installation place Caution on indoor installation * The actuator is not of explosion-proof type. Avoid installation in a hazardous place. * Cover whole the unit, when installing it in a place where water or materials are always splashing.. * It is recommendable to reserve a space for manual maintenance work.

  • Page 8: Assembly With A Valve

    ＡＣＴ－Ｎ０５Ｅ－１ CAUTION ON ASSEMBLY WITH A VALVE 6. ASSEMBLY WITH A VALVE Names of parts FIG.3 Actuator Coupling Valve Bracket As shown in Fig.3, actuator and valve are individually structured for easy dismounting when trouble is occurred. Assembly procedures 1. Be sure that power is off before making manual operation. 2.

  • Page 9: Wiring Work

    ＡＣＴ－Ｎ０５Ｅ－１ Caution on wiring A qualified person based on electric equipment technical standard should make wiring work. Refrain from wiring work under rainy or high humid conditions. Make proper wiring to the wiring diagram. For the standard resin conduit, use a cable of outer diameter φ9~11mm. (Refer to Fig.5) For customer conduit, select a proper size cable to match it and avoid water ingress through the gap.

  • Page 10: Rated Power, Input Signal And Wiring Diagram

    ＡＣＴ－Ｎ０５Ｅ－１ CAUTION ON USE 8. RATED POWER / INPUT SIGNAL AND WIRING DIAGRAM 8-1 Rated power AC 100/110/115/120V±10% (50/60Hz) AC 200/220/230/240V±10% (50/60Hz) For different supply from the above, refer to our Sales Dept. 8-2 Input signal 4~20mA DC (1~5V DC) Standard 4~12mA DC Option...

  • Page 11: Control Pack

    ＡＣＴ－Ｎ０５Ｅ－１ CAUTION ON USE 9. CONTROL PACK 9-1 Names of parts Name Terminal block for custom wiring ZERO trimmer SPAN trimmer GAIN trimmer Direction mode switch Mode switch for “Signal Off” Connector for internal wiring(CN-1) FIG.8 9-2 Mode selection Input signal and operation direction Direct or reverse action is selectable by Select switch.

  • Page 12: Sensitivity Volume And Zero / Span Adjustment

    ＡＣＴ－Ｎ０５Ｅ－１ * Direct / reverse direction and action mode during signal interruption (signal “off”) may be set in the following 6 combinations. FIG.11 * Unless expressly instructed, the unit is preset before shipment in the following combination: Action mode Signal “OFF” mode Stop Note : Adjust 4~20mA signal rates from a computer or controller accurately.

  • Page 13: Operation

    ＡＣＴ－Ｎ０５Ｅ－１ Confirm that power is OFF before making manual operation 10. OPERATION 10-1 Manual operation Allen key Manual override shaft 1. Remove dust cover from the body and find a hexagon hole in the underneath.. 2. Insert lever handle into the hole to turn the shaft CW for downward, CCW for upward.

  • Page 14: Maintenance / Inspection

    ＡＣＴ－Ｎ０５Ｅ－１ 11. MAINTENANCE / INSPECTION Lubrication As the major parts of the products are lubricated with long life anti-corrosive grease before shipment, re-lubrication is in principle not required. Inspection When re-starting operation after a long period of rest, make the following confirmation. 1.

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