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Installation, Operating & Setting Instructions.
With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors
The following document details the installation, operation, setting and maintenance
instructions for the Westlock Controls Ltd - 793 Rotary Pneumatic Positioner –
introduced 07/2012.
This symbol warns the user of possible danger. Failure to observe this warning may lead
to personal injury or death and/or severe damage to equipment.
This symbol identifies information about operating the equipment in a particular manner
that may damage it or result in a system failure. Failure to observe this warning can lead
to total failure of the equipment or any other connected equipment.
This symbol draws attention to information that is essential for understanding the operation
and/or features of the equipment.
1/. Mounting arrangement
2/. Pneumatic connection
3/. Setting procedure (Calibration)
4/. Field wiring (where applicable)
5/. Switch/cam setting (where applicable)
6/. Gauge block assembly
7/. Overall dimension detail
8/. Technical data
9/. Spares list
22 CHAPMAN WAY, TUNBRIDGE WELLS, KENT, TN2 3EF, ENGLAND. TEL: +44 (0)1892 516277. FAX: +44 (0)1892 516279
17/09/2012
Westlock 793 Rotary Pneumatic Positioner
Contents
WESTLOCK CONTROLS LTD
TECHUK-55 REV 1
1 of 14
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Summary of Contents for Westlock 793
- Page 1 With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors The following document details the installation, operation, setting and maintenance instructions for the Westlock Controls Ltd - 793 Rotary Pneumatic Positioner – introduced 07/2012. This symbol warns the user of possible danger. Failure to observe this warning may lead to personal injury or death and/or severe damage to equipment.
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Page 2: Mounting Instructions
Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors 1.0 Mounting Instructions. All positioners are designed for direct mounting to actuator and NAMUR mounting (using appropriate Namur bracket not supplied). - Page 3 1.2 Before mounting the 793 unit it will be necessary to remove the top cover. To do this, completely loosen the 4off M5 socket cap head captive screws in each corner and remove the cover by lifting vertically.
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Page 4: Pneumatic Connection
Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors 2.0 Pneumatic connection Connect the air ports as shown in Fig 3 for direct operation and in Fig 4 for reverse operation. -
Page 5: Setting Procedure
Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors 3.0 Setting Procedure The positioner is pre-set for direct acting prior to leaving the factory. If re-adjustment is necessary to suit a specific actuator, proceed using the following instructions. - Page 6 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors After completing the setting procedure, ensure that the hex skt set screw and the locknut are re-tightened. (Hold zero adjusting nut so that it will not move as locknut is tightened).
- Page 7 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Field Wiring (when switches are present). The terminal strip base has been designed to offer easy access for wire termination to the terminal strip.
- Page 8 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Alternative Inductive Proximity Sensors. P&F - NJ2-V3-N, NBB3-V3-Z4, NBB2-V3-E2 IFM - IS5026, IS5001, IS0003, IS5003, NS5002 Turck - Bi2-Q10S-AP6X, Bi2-Q10S-YOX Telemecanique - XS7-H10PA340.
- Page 9 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Switch cam setting; (See Fig 6). Notes; Either switch can be designated “open” or “closed”. To determine if switch has been activated an electrical continuity tester is recommended.
- Page 10 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Gauge Block assembly - Retrofit or connection instructions See Fig 6 Remove any fittings that currently occupy the positions shown in diagram, namely: - pressure gauge x 3, supply, exhaust and actuator “open”...
- Page 11 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Gauge Block assembly - when fitted (or retrofitted or kit) - Fig 6 WESTLOCK CONTROLS LTD 22 CHAPMAN WAY, TUNBRIDGE WELLS, KENT, TN2 3EF, ENGLAND. TEL: +44 (0)1892 516277. FAX: +44 (0)1892...
- Page 12 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Overall dimension detail WESTLOCK CONTROLS LTD 22 CHAPMAN WAY, TUNBRIDGE WELLS, KENT, TN2 3EF, ENGLAND. TEL: +44 (0)1892 516277. FAX: +44 (0)1892...
- Page 13 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors Technical data Input signal Single range 3 – 15 psi (0.2 – 1.0 bar) standard Split range 3 – 9 psi (0.2 – 0.6 bar) 9 –...
- Page 14 Installation, Operating & Setting Instructions. Westlock 793 Rotary Pneumatic Positioner With SPDT V3 Microswitches OR V3 Inductive Proximity Sensors 793 Positioner Spares List. WESTLOCK CONTROLS LTD 22 CHAPMAN WAY, TUNBRIDGE WELLS, KENT, TN2 3EF, ENGLAND. TEL: +44 (0)1892 516277. FAX: +44 (0)1892...
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