Pfeiffer Vacuum E-PDQ Programming And Operations Manual Download Page 1 | Manualshive

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Pfeiffer Vacuum E-PDQ Programming And Operations Manual Download Page 1

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Programming and Operation Manual

Leak Test Instrument

Model E-PDQ

Firmware Revision 2.3.14 or 2.3.15

Hardware Revision A

July 6, 2021

Manual Revision 1.5

Proprietary Note:

The IGLS, Mass Extraction Technology, Adaptive Test and Leak-Tek ©, Leak-Rx© programs are
proprietary products belong to ATC, Inc. and are protected by existing patents (5,861,546;
6,3085,56B1; 6,584,828B; ,6,854,318B2; 7,231,811,EP1-356-260-B1) as well as other US and
International pending patents. The Leak-Tek program©, Leak-Rx© program, Adaptive Test Utility
Program© and ATC Model-EPDQ are protected by international copyright laws.

© 1995-2015 ATC, Inc. All rights reserved.
This manual should not be copied or transferred to any third party without ATC’s written consent.

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Summary of Contents for E-PDQ

Page 1: ...etary products belong to ATC Inc and are protected by existing patents 5 861 546 6 3085 56B1 6 584 828B 6 854 318B2 7 231 811 EP1 356 260 B1 as well as other US and International pending patents The L...

Page 2: ...Q OPERATION SEQUENCE 15 5 COMMUNICATION PROTOCOL 17 5 1 CONVENTIONAL COMMANDS FOR SENSOR PARAMETERS 17 5 2 DAQ COMMANDS 17 5 3 STEP NUMBER 22 6 MAINTENANCE AND TROUBLESHOOTING 24 6 1 PERIODIC MAINTENA...

Page 3: ...iii...

Page 4: ...TANDARD REMOTE I O CONNECTIONS 10 FIGURE 3 3 2 STANDARD E PDQ REMOTE I O PIN CONNECTOR 11 FIGURE 3 3 3 LIST OF PASS AND FAILURE MODE WITH PIN OUTS 11 FIGURE 3 3 4 SERIAL LOOP CONNECTION OF TWO MODEL E...

Page 5: ...or leak test applications and or flow measurement applications only WARNING When this Leak Test Instrument is part of a leak test system it is the user s responsibility to assure proper interface and...

Page 6: ...vi CAUTION Incoming supply outside 24 VDC 10 and unable to source 2 Amps it NOT recommended and may result in inaccurate results product malfunction and or damaged electronics...

Page 7: ...vii...

Page 8: ...interface to the Model E PDQ It can be operated using digital I O through the 15 pin interface or via Ethernet The 15 pin interface provides some additional flexibility which is not currently availab...

Page 9: ...nt of mass flow into the UUT equals the amount of mass flow that is leaking out In other words the IGLS measures make up flow required to maintain steady UUT pressure In vacuum conditions the IGLS mea...

Page 10: ...RODUCTION 3 The IGLS technology offers fast and repeatable leak tests For shorter cycle time the signature concept can be employed The signature concept is described in detail the LeakTek software man...

Page 11: ...there are details of the test part that can be altered or adjusted to make the part stop leaking The test status is displayed on the 3 LED s on the front of the instrument All test parameters can be...

Page 12: ...unit The rubber feet must be removed to utilize the DIN mounts NOTE Mount and locate the Model E PDQ as close as possible to the UUT to minimize connection tube length and volume Larger volume will r...

Page 13: ...lok tube fitting is on the front of the unit Use caution when tightening do not over tighten Supply pressure connection This 1 4 Swagelok tube fitting is on the back of the instrument Use caution when...

Page 14: ...red altitude The Model E PDQ operating relative humidity range is 20 to 80 non condensing The Model E PDQ supply voltage is 24 Volts DC 10 The Model E PDQ is not designed to operate in wet or condensi...

Page 15: ...led prior to energizing the unit Do NOT operate unit without cover mounted exceptions are for ATC qualified personnel only during inspection testing troubleshooting of the instrument CAUTION The Model...

Page 16: ...ys or optically isolated modules preferred to drive valves or large relays NOTE The Model E PDQ Ethernet port does not support Power Over Ethernet POE NOTE The Model E PDQ includes 2 3 5A fuse for inc...

Page 17: ...x Pin 10 Test Pressure Output 5 30 VDC source or sink 100 mA max Pin 11 Start Input 5 30 VDC source only 30 mA max Apply a pulse to the sensor Start input pin to start a test Pin 12 Stop Input 5 30 VD...

Page 18: ...ative Measurement Fail Relative Measurement Base Line Flow larger than the set point Pin 4 Lo Flow Relative Measurement Fail Relative Measurement Base Line Flow Lower than the set point Pin 4 Fine Lea...

Page 19: ...must be used to minimize system leaks and reduce virtual leaks leaks that flow into internal hidden cavities Upstream pressure fluctuations from pneumatic actuators and or assembly tools are undesira...

Page 20: ...eak Tek user manual and allow approximately 60 seconds to establish initial communication after switching from serial to Ethernet selector switch at the back of the instrument and powering the instrum...

Page 21: ...e internal calibrated leak included in the circuit This test should fail Run a similar good part without the calibrated leak This test should pass If this sequence does not provide the desired results...

Page 22: ...time the failure message will display a Continue re testing if the deplete pressure feature is disabled X5 0 See Appendix B command list b If the deplete pressure feature is enabled de energize all va...

Page 23: ...cision is made by the Model E PDQ CAUTION A Flow saturation or Gross Leak failure is a significant leak and can deplete the isolation tank If this condition happens the tank should be allowed to recov...

Page 24: ...ir in IGLS addressed as 2 the command string will be as follows 02SG1 287 0 lf cr Note For commands such as U2 U3 U4 U5 the returned DATA are in Hex format of oxFFFFFFFF The data in the command will b...

Page 25: ...in the selected temperature unit Data2 refers to pressure in the selected pressure unit Data3 refers to flow in the selected flow unit SQ1 2 Command 01SQ1 2 Response 01SQ2 Data1 Data2 Data3 StepNo Av...

Page 26: ...or g min Date4 refers to external pressure 4th analog input in kPa Data5 refers to adaptive flow in cc min or g min SQ1 8 Command 01SQ1 8 Response 01SQ8 Data1 Data2 Data3 Data4 Data5 StepNo Engineeri...

Page 27: ...o update C1 SQ2 2 Command 01SQ2 2 Response 01SQ2 2 Auto Zero to update C5 SQ2 3 Command 01SQ2 3 Response 01SQ2 3 Auto Zero to update C1 and C5 SQ3 0 3 Command 01SQ3 0 to Set the Parameter to Type 1 Co...

Page 28: ...perature unit in all sensor steps except in the test step In the test step Data1 represents the real time accumulated leak in the selected mass or volume unit For example mg if mg min is selected as f...

Page 29: ...led and activated in the current test type Please refer the Leak Tek manual version 6 06 or later section 6 3 3 and 5 3 3 1 21 PresSat Pressure Sensor Saturated Failure 22 FlowSat Flow Sensor Saturate...

Page 30: ...limit K9 Figure 5 1 Step Number Interpretation The Step number in DAQ response string shall be interpreted as a Hex Value although there is no hex prefix such as 0x Any step numbers between 1 to E co...

Page 31: ...nstrument performance Verification The Model E PDQ can be supplied with a calibrated leak optional or equivalent channel standard optional that are calibrated at specified pressure and flow rates The...

Page 32: ...If so the flow increase should be within 10 of the orifice value at that pressure If verification test fails during production run call maintenance and engineering to troubleshoot the system If readi...

Page 33: ...ure they are enabled Check for damage to internal wiring Check valves Consult ATC for replacement parts Remove remote I O cable and start test from the button on the front panel Consult ATC 4 Pressure...

Page 34: ...ngs significantly off of expected result Calibration scrambled Power supply damaged Verify power supply outputs Verify calibration data with original cal sheet Check increase buffer size Less than 30...

Page 35: ...Pressure or Flow readings unstable Upstream pressure fluctuation cannot be damped enough by the expansion tank Incorrect remote I O connections Unstable Power Supply Bad connection Check Model E PDQ c...

Page 36: ...oat D A calibration Count kPa A3 float BackFlow if count reading in DP is less than A3 A4 float Barometric condition of the pressure in kPa A5 float Min Pressure for Volume Flow sensor or Max Pressure...

Page 37: ...iplier of V2 0 8 D5 float Alpha Curve 0 1 A 5 G Group Command Type Note G1 float Universal Constant of the Gas 287 for air necessary if density is used in calculation G2 float Viscosity at 0 C G3 floa...

Page 38: ...switch KA float Pressure Higher Limit kPa for external pressure switch A 8 L Group Command Type Phase Label L1 LE String Up to 15 characters per Label A 9 O Group Command Type Phase Valve Configurati...

Page 39: ...1 2 3 4 5 6 1 Release of month i e 06 June 2 Release of year i e 98 1998 3 Serial No valid from 001 to 999 4 Maximum Flow i e 090 90 120 120 12H 1 200 12K 12 000 5 Flow Unit C CCM L LPM U ug min M mm3...

Page 40: ...ote All T group settings are defined as long integer 32 Bit since Ver 2 1 3 A 14 U Group Command Type Note U1 Integer Address 1 9 U2 Integer Mode 4th Byte Sensor Type Conventional Leak Tester 0 Adapti...

Page 41: ...as Base Unit Bit 1 Gas Compensation Gas Compensation 1 No Coef Compensation 0 Bit 2 3rd Test Type On Bit 3 3rd and 4th Test Type On Example 0x00 1st byte 27 2nd byte 00 3rd byte 02 4th byte U3 Intege...

Page 42: ...sable Early Detection for Adaptive Test UA Integer Start Cycle Counter Cycle number can be shown on system and maintenance screens UB Integer Reference flow function flag 1 Byte Within each byte of th...

Page 43: ...witch On Check Step No Lowest Byte Step No 2nd Lowest 0 Advance to the next step once the PS is on ver 2 1 1 X2 Integer Pressure Switch Off Check Step No Lowest Byte Step No 2nd Lowest 0 Advance to th...

Page 44: ...ce the external pressure is out of range Note The following condition has to be met in order for the IGLS to function properly X1 X3 XA X2 XB X9 X3 1 X3 1 XB A 17 Y Group Command Type Note Y1 float Re...

Page 45: ...APPENDIX B MODEL E PDQ CONNECTIONS and WIRING DIAGRAM 38 APPENDIX B MODEL E PDQ ASSEMBLY DRAWING and WIRING DIAGRAM...

Page 46: ...APPENDIX B MODEL E PDQ CONNECTIONS and WIRING DIAGRAM 39...

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