PTU Series Ultrahigh Purity Pressure Transducers Users Manual
Contents
1. Rev 2 10 08 WEL Electrical Installation Do not exceed the max permissible power Required Input Voltage for m supply DC 30 V Current 4 to 20 mA Output Transducers Power must be turned off before disconnecting Q Warning 1000 The Swagelok PTU series transducer is designed to operate with an unregulated input voltage of 10 lt V dc lt 30 14 to 30 V with output signal 0 1 to 10 1 V The exact operating input voltage is controlled by the load resistance R Output signal and allowed load 500 Transducer Input Power Allowable Load Output Type V dc RL 0 1 to 5 1 V dc 10 to 30 Allowable Load 0 1 to 10 1 V dc 14 to 30 gt 10KQ Max 30 V dc 0 Vide 4to20mA 0 02 R 10 V do See graph 0 02 R 16 lt Vdc 0 10 20 30 Use this load equation when a PTU series digital display Input Power Supply V dc indicator is used Required Supply Voltage Current for external display or evaluation equipment can be supplied directly from the circuit when operating a transducer with current output The Swagelok PTU series digital display indicator has a specific voltage drop of 6 V This voltage drop must be considered when using the digital display indicator see table above If using another display a voltage drop specific to that display must be considered 2 wire system current output transducers M 12 x 1 4 pin Direct wire Bendix 4 pin Circular connector flying leads MIL plug V dc2. DWQWADK The Swagelok PTU series pressure transducer provides electronic monitoring of system pressure for ultrahigh purity applications The PTU series transducer is available with a variety of pressure ranges process connections electrical connections and output signals A Swagelok PTU series transducer will require mechanical and electrical installation additionally a set up and or adjustment procedure may be required to prepare the unit for service This manual is intended to provide the instructions necessary to install start up and troubleshoot the product Contents E Safety Definitions 00000 es 1 M Safety Instructions 000 0 ees 1 E VCR Fitting Installation 2 E Welding Precautions 005 2 E Electrical Installation 3 E Zero Adjustment 200002 4 E Electronic Board Replacement 5 E Troubleshooting Guide 6 Safety Definitions Potential danger to life or of serious Waning injuries Potential danger to life or of serious injuries wanng due to catapulting parts AN Potential danger of burns due to hot Caution surfaces EF Notice important information The product complies with the applicable C European directives Safety Instructions Do not connect the transducer to hazardous Warning voltage Use qualified personnel to install the warning transducer Do not exceed the overpressure
3. S V dc S V dc S 0 V dc S 0 V dc S 0 V dc S Tajimi Circular 15 pin Connector R03 R6F Sub D V dc S UB Sig Power Supply 0 V dc S NOTE Pin 5 and pin 12 are bridged internally in the sub D connector MS CRD PTU1 3 Rev 2 10 08 WEL 3 wire system voltage output transducers M 12 x 1 4 pin Direct wire Bendix 4 pin Circular connector flying leads MIL plug V de S V de Vde 0 V dc S Tajimi Circular 15 pin Connector R03 R6F Sub D Legend NOTE Pins 5 and 12 are internally connected Zero Adjustment The Swagelok PTU series transducer is factory calibrated and does not normally need field Threaded locking ring adjustment Keyed The surfaces of the pressure transducer insertion Caution May get hot during operation point Connector Span adjustment is not necessary after assembly zero point correction For verification and adjustment of the zero point depressurize the system to 0 psig 0 bar 0 MPa for gauge reference transducers The potentiometer for the zero adjustment is protected inside the transducer housing Use a 0 040 to 0 060 in 1 to 1 5 mm jeweler s screwdriver for adjustment Pressure transducer housing Zero adjustment screw Procedure for Transducer with Top Access 1 Remove power to the transducer 2 Remove the threaded locking ring on the top of transducer and gently extend the electrica
4. l connection to expose the zero adjustment screw 3 Carefully pull the connector assembly out of the transducer housing as far as the internal connector cable will allow 4 Restore power to the transducer 5 Ensure the system is at 0 psig 0 bar 0 MPa 7 Remove power to the transducer again 6 Monitor the output signal and adjust the zero 8 Rotate the connector assembly on the transducer screw to 4 mA or 0 1 V depending on the signal housing to the keyed insertion point output Turn the zero adjustment screw ina clockwise direction to increase the signal or in a counterclockwise direction to decrease the signal 9 Replace and hand tighten the locking ring on the top of transducer to close access to the zero adjustment screws MS CRD PTU1 4 Rev 2 10 08 WEL Procedure for Transducer with Side Access 1 Turn the locking ring until the zero adjustment screw is exposed 2 Ensure the system is at 0 psig 0 bar 0 MPa 3 Monitor the output signal and adjust the zero adjustment screw to 4 mA or 0 1 V depending on the signal output Turn the zero adjustment screw in a clockwise direction to increase the signal or in a counterclockwise direction to decrease the signal Do not allow the screwdriver to contact any other part of the transducer 4 Turn the locking ring until access to the zero adjustment screw is closed Zero adjustment screw Locking ring Electronic Board Replacement For module re
5. placement depressurize the system to 0 psig 0 bar O MPa Remove all power to the transducer Disassembly 1 Use an appropriate grounding strap to protect the printed circuit module PCB and other electrical devices from voltage or static discharge to prevent possible damage 2 Remove the locking ring on the top of transducer 3 Carefully pull the connector assembly out of the transducer housing as far as the internal connector cable will allow 4 Remove the pin connector from the electronics module assembly 5 Hook the electronics module with the provided removal tool 6 While firmly holding the transducer housing use the removal tool to pull the electronics module assembly straight out of the transducer housing assembly Reassembly 1 Align the new electronic module with the slots in the plastic alignment ring inside the transducer housing 2 Firmly push the new electronics module assembly into the transducer body as far as it will go 3 Align the pins on the connector from the electrical connector with the sockets on the new electronic module assembly 4 Rotate the connector assembly on the transducer housing to the keyed insertion point 5 Replace and hand tighten the locking ring on the top of transducer 6 Restore power to the transducer and verify the zero point Electronics module Pressure transducer housing Transducer with Top Access Electronics Pressure module transducer hou
6. r correct zero adjustment over pressurization Storage and Disposal Purge all media from the pressure transducer before storage or disposal of the transducer Warning ze Mount the protection cap when storing the transducer Dispose of transducer components and packaging materials in accordance with the respective waste treatment and disposal regulations of the region or country to which the transducer is supplied x Do not mix or interchange parts with those of other manufacturers For product technical data including materials Swagelok Company of construction see the Swagelok Pressure 29500 Solon Road Transducers Ultrahigh Purity catalog MS 02 162 Solon Ohio 44139 U S A Authorized Representative in Europe Swagelok A G Manufacturing Tech Center Distribution Center P O Box 552 Swagelok CR TM Swagelok Company E Bendix TM Amphenol Corporation CH 8853 Lachen Switzerland 2003 2006 2008 Swagelok Company MS CRD PTU1 Rev 2 10 08 WEL
7. rating Warning MS CRD PTU1 Rev 2 10 08 WEL amp amp PTU Series Ultrahigh Purity Pressure Transducers User s Manual Safety Instructions Before servicing any installed pressure transducer you must e depressurize system e purge the transducer Warning Residual material may be left in the transducer and system fma Safe Product Use Follow any enclosed instructions and refer to the product catalog for detailed product information When using a transducer the total system design must be considered to ensure safe trouble free performance Function material compatibility adequate ratings proper installation operation and maintenance are the responsibilities of the system designer and user Improper selection or misuse of the product may result in serious personal injury or property damage www swagelok com VCR Fitting Installation Swagelok VCR face seal fitting end Over tightening will damage the sealing ann connections with fixed threads must remain stationary during installation Do not allow the sealing beads to rotate against the gasket beads and may cause leakage Warning 7 Finger tight Welding Precautions Qualified personnel should perform the E3 E Disconnect the transducer from any welding GTAW electrical device Warning E Do not let the leads from the flying lead touch a metal surface during welding m Keep heat to the transducer to a minimum 2 MS CRD PTU1
8. sing Transducer with Side Access MS CRD PTU1 Rev 2 10 08 WEL Troubleshooting Guide Before servicing any installed pressure transducer you must e depressurize the system e purge the transducer Residual material may be left in the transducer and system Warning E If the transducer becomes damaged or unsafe for operation remove it from service TEET and mark to prevent it from being used accidentally E Have repairs performed by the manufacturer only Ed Do not insert any pointed or hard objects into the pressure port for cleaning Failure of power supply Check power supply and wiring l Wiring interrupted Replace defective components No signal output a Defective electronics Change electronics module Defective electronics Change electronics module Steady signal despite pressure variation Transducer failure through Replace transducer over pressurization Steady elevated signal despite Defective electronics Change electronics module pressure variation Supply voltage too low Adjust supply voltage Full span reading too low Load impedance too high Adjust supply voltage See Output signal and allowed load table in Section 4 Zero signal too low Zero adjustment made incorrectly Adjust zero point Zero adjustment made incorrectly Adjust zero point Zero signal too high Transducer failure through Replace transducer over pressurization Non linear signal output despite Transducer failure through Replace transduce
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