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K20 Intrinsically Safe Valve Positioner
Tech-533
IOM:
Prepared By:
A R Paolini
Reviewed By:
Tim Hennessey
This IOM contains confidential information and is issued in confidence on the condition that it be returned on demand and not be copied,
reproduced, disclosed to others or used in manufacture of the subject matter thereof without the written consent of Westlock Controls
280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913
12/20/2017
OPERATING MANUAL
Revision: -
Date:
Drafting Work Order: 22902 ECN: N/A
6/22/2017
Date:
Approved By:
12/20/2017
Jason Moorehead
WESTLOCK CONTROLS
www.westlockcontrols.com
TECH-533/ D.W.O. 22902
Date:
12/20/2017
Page 1 of 20
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Table of Contents
Related Manuals for Westlock K20
Summary of Contents for Westlock K20
- Page 1 This IOM contains confidential information and is issued in confidence on the condition that it be returned on demand and not be copied, reproduced, disclosed to others or used in manufacture of the subject matter thereof without the written consent of Westlock Controls WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913...
- Page 2 Revision History Revision 12/20/2017 Initial release Westlock Controls Locations Phone: (201) 794-7650 Europe Phone: +44-1892-516277 Asia Phone: +65 676 858 00 WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902...
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Page 3: Table Of Contents
Mounting ......................... 8 Calibration ......................10 Field Wiring ........................10 Maintenance and Repair ....................16 Appendix ........................17 WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 3 of 20... -
Page 4: Introduction
This unit may be equipped with either two 3-wire switches or two 2-wire inductive sensors. Warnings WARNING: The aluminum housing Model K20 Ex ia is at potential risk of ignition by impact or friction therefore, care must be taken into account during installation to avoid this problem. -
Page 5: Description
The K20 utilizes two keys for auto calibration and two keys for settings. This controls both Positioner and Position Transmitter with local LCD in conjunction with the Diagnostic / Fault LED. The K20 uses Hall Effect position sensing with ‘off axis’ detection to allow a through shaft for the top mounted Westlock Beacon. Calibration... -
Page 6: Special Features
20mA with 4mA being 0% open and 20mA being 100% open. If the main section of the K20 fails and so ceases to provide position updates to the Transmitter or the position sensor fails on the main section, so that the current valve position is unknown, the Transmitter will put out a current of 3.5mA or 21.5mA... -
Page 7: Order Guide
Mounting Pattern (M8 x 1.25 Outer Pattern) (M6 x 1 Inner Pattern) Mounting Pattern (5/16 - 18 Outer Pattern) (M6 x 1 Inner Pattern - Metal Housing only) WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com... -
Page 8: Definitions
Coupler (Not required for Namur option) Actuator Figure 1 Mounting for Shaft Output Options Standard and Namur WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 8 of 20... - Page 9 (Increasing Signal causes pressure to increase in Outlet Port 1 of the positioner and pressure to Decrease in Outlet Port 2 of the positioner Figure 3 Standard Flow Manifold Figure 4 High Flow Manifold WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O.
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Page 10: Calibration
Press the Key until the display shows “LO CAL” then press Key. The calibration will adjust to the desired low current. WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902... - Page 11 TX FT LO or TX FT HI based upon what is set REG CAL RESTORE FACTORY DEFAULT WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 11 of 20...
- Page 12 FT LO or TX FT HI”. TX FT LO or TX FT HI can now be selected. Pressing the DOWN or UP Key toggles this setting. WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com...
- Page 13 Key”. Press and hold Key. LCD will scroll “Factory Default Success” Factory default settings are now enabled. WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 13 of 20...
- Page 14 BOTTOM CAM PUSH DOWN, LIFT UP, TURN TURN & & RELEASE RELEASE Figure 6 MAGNUM MECHANICAL NAMUR WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 14 of 20...
- Page 15 Figure 8 SPDT mechanical switches Figure 7 No Switch option Figure 9 SPDT Magnum proximity switch Figure 10 Inductive proximity sensors WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902...
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Page 16: Maintenance And Repair
A filter/regulator with a 5 micron or better element, just prior to the positioner, is therefore recommended. MS10222 Filter Figure 11 WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902... -
Page 17: Appendix
Appendix Appendix: A Intrinsically Safe wiring: Controlled Diagram WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 17 of 20... -
Page 18: Tech-533/ D.w.o
TRANSDUCER ERROR When preforming an Auto Calibration if the LCD shows “TRANSDUCER ERROR” within 2 minutes. The transducer is not connected to the K20. UNABLE TO CLOSE When preforming an Auto Calibration and within 2 minutes the LCD displays “UNABLE TO CLOSE”. - Page 19 Appendix: C Dimensions: WESTLOCK CONTROLS 280N MIDLAND AVENUE, STE.258, SADDLE BROOK, NJ 07663 TEL: 201-794-7650 FAX: 201-794-0913 www.westlockcontrols.com 12/20/2017 TECH-533/ D.W.O. 22902 Page 19 of 20...
- Page 20 Appendix D: Westlock K20 Quick Start Guide -AUTO CALIBRATION INSTRUCTIONS- PRESS AND RELEASE [SEL]. DISPLAY WILL SHOW 'AUTO CAL'. PRESS AUTO CAL WILL BEGIN WITH 4MA AS LOW CURRENT AND 20MA AS HIGH CURRENT. -SETTING LOW AND HIGH LOOP CURRENT- -LOW CURRENT- SET LOOP CURRENT TO IDLE VALUE.
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