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TLV CV10 Instruction Manual

Electro-pneumatic positioner for control valve
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To customers,
Regarding the operation of the Samson
electro-pneumatic positioner
Thank you for purchasing this electro-pneumatic positioner manufactured by Samson.
When shipped from the factory, the operating direction of the product is set to direct
action (when the input signal increases, the operating pressure increases).
If the operating direction of the control valve used with the positioner is direct action, set
the positioner to reverse action (when the input signal increases, the operating pressure
decreases).
Make sure to follow the instruction manual when changing the operating direction of the
positioner, mounting the positioner on the control valve, or adjusting the positioner.
TEL: 81-(0)79-427-1818
Rev. 10/2021 (T)

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Summary of Contents for TLV CV10

  • Page 1 To customers, Regarding the operation of the Samson electro-pneumatic positioner Thank you for purchasing this electro-pneumatic positioner manufactured by Samson. When shipped from the factory, the operating direction of the product is set to direct action (when the input signal increases, the operating pressure increases). If the operating direction of the control valve used with the positioner is direct action, set the positioner to reverse action (when the input signal increases, the operating pressure decreases).
  • Page 2 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 October 2021 Electro-pneumatic Positioner CV10 for Control Valve Copyright © 2021 by TLV CO., LTD. All rights reserved...

  • Page 3: Table Of Contents

    If detailed instructions for special order specifications or options not contained in this manual are required, please contact TLV for full details. This instruction manual is intended for use with the model(s) listed on the front cover.

  • Page 4: Safety Considerations

     The three types of cautionary items above are very important for safety: be sure to observe all of them as they relate to installation, use, maintenance, and repair. Furthermore, TLV accepts no responsibility for any accidents or damage occurring as a result of failure to observe these precautions.
  • Page 5 When using this product, be sure NEVER to stand close to, or leave tools anywhere near, moving parts such as a shaft. Contact with moving parts or objects becoming caught in moving parts could lead to injury, damage or other accidents. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 6: Specifications

    At air supply pressure 0.14 MPaG: 2.5 Nm Maximum Air Processing Capacity At air supply pressure 0.6 MPaG: 7 Nm Oil-free air, filtered to 5 m Motive Medium (1 MPa = 10.197 kg/cm 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 7: Configuration

    Zero Point Adjustment Screw Cover Plate Mounting Bolt Amplifier (pilot valve) Gain Adjustment – Xp Measurement Spring Volume Adjustment – Q Limit Stop Mounting Screw Mounting Bolt Measurement Diaphragm Feedback Plate Coupling I/P Transducer 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 8: Principle Of Operation

    Span Adjustment Pin: Check for wear Packing for the Positioner Cover: Check for deterioration As this is a precision instrument, avoid disassembling the parts whenever possible. When disassembly is necessary, please consult TLV. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 9: Mounting On The Control Valve

    Then proceed with positioner mounting. Refer to the Control Valve CV10 instruction manual for installation procedures. Positioning the Positioner and the Actuator Refer to the “Standard”...
  • Page 10 (see the “Mounting on the Control Valve” section). Direct Action << (Standard) Reverse Action < > (Option) Flapper beneath Feeler Pin Flapper above Feeler Pin Measurement Spring Flapper Symbol Feeler Pin 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 11: Electrical Wiring

    Install a filter/regulator, etc. on the positioner and ensure that the air that is to be supplied is free of any moisture and dust. Make sure that the supply air is of a suitable and stable pressure. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 12: Zero Point Adjustment

    5 When the zero point adjustment is complete, carry out a span adjustment. There is no need, however, to adjust the span if the span adjustment pin was neither removed nor moved while the positioner was detached. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...
  • Page 13 5 When the zero point adjustment is complete, carry out a span adjustment. There is no need, however, to adjust the span if the span adjustment pin was neither removed nor moved while the positioner was detached. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 14: Span Adjustment

    5 Proceed by adjusting the zero point, then, until the valve opening is correct at the 0%, 50% and 100% points, repeat the sequence, alternately adjusting the zero point and the span. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...
  • Page 15 5 Proceed by adjusting the zero point, then, until the valve opening is correct at the 0%, 50% and 100% points, repeat the sequence, alternately adjusting the zero point and the span. 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...
  • Page 16 Gain Adjustment Xp Setting 6 bar 3 bar 1.4 bar Refer to the chart attached to the back of all positioner covers. 90 180 270 360 (1 bar = 0.1 MPa = 1.0197 kg/cm 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 17: Troubleshooting

    Controller is set Check to see if an input signal Check the controller setting of 4 – 20 mA is coming from incorrectly and correct if necessary the controller Continued on the next page 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...
  • Page 18 Change the set value valve controller is faulty the controller’s PID parameters opening is The positioner has Adjust the positioner’s unstable been insufficiently proportional band adjusted [air supply (Q) and gain adjustment (Xp)] 172-65098M-06 (Electro-pneumatic Positioner for CV10) 7 Oct 2021...

  • Page 19: Tlv Express Limited Warranty

    Subject to the limitations set forth below, TLV CO., LTD., a Japanese corporation (“TLV”), warrants that products which are sold by it, TLV International Inc. (“TII”) or one of its group companies excluding TLV Corporation (a corporation of the United States of America), (hereinafter the “Products”) are designed and manufactured by TLV,...
  • Page 20 WARRANTY NOT NEGATED HEREBY, AND ANY IMPLIED WARRANTY NOT NEGATED HEREBY, INCLUDING THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE, DO NOT COVER, AND NEITHER TLV, TII NOR ITS TLV GROUP COMPANIES WILL IN ANY EVENT BE LIABLE FOR, INCIDENTAL OR...

  • Page 21: Service

    Service For Service or Technical Assistance: Contact your TLV representative or your regional TLV office. In Europe: Tel: [49]-(0)7263-9150-0 Daimler-Benz-Straße 16-18, 74915 Waibstadt, Germany Fax: [49]-(0)7263-9150-50 Tel: [44]-(0)1242-227223 Units 7 & 8, Furlong Business Park, Bishops Cleeve, Gloucestershire GL52 8TW, U.K.

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