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Q200 User Manual 

RS232 Connector Details

 

 

 

200120/Revision 10 

E-1

 

 

Appendix E  RS232

 

C

ONNECTOR 

D

ETAILS

 

 
This section details the pin-outs and connections for the RS232 connector that 
provides both the serial output and the analogue output for connection to a printer and 
chart recorder respectively. 
 

Pin 

Signal name / function 

Direction of signal 

1  

 

2 RxD/Not 

used. 

- 

3 

Txd/Transmitted data. 

From 200 to printer. 

4  

 

5  

 

6 

DSR/200 Ready 

From 200 to printer. 

7 GND 

- 

8  

 

9  

 

10  

 

11  

 

12  

 

13  

 

14  

 

15  

 

16  

 

17  

 

18  

 

19  

 

20 

DTR/Printer ready. 

From printer to 200. 

21  

 

22  

 

23 

Analogue ground. 

From 200 to Chart recorder. 

24 

Analogue output. 

From 200 to Chart recorder. 

25  

 

Summary of Contents for Q200

Page 1: ...Uson Q200 User Manual Revison 10 Updated September 2018...

Page 2: ...f such revisions or changes Copyright No part of this manual may be reproduced or transmitted in any form or by any means electronic or mechanical including photocopying and recording for any purpose...

Page 3: ......

Page 4: ...2 03 1994 First Revision 3 N A 14 12 1994 Second Revision 4 1348 06 01 1995 Spares Updated 5 1415 25 01 1996 EC Revision 6 0051 02 07 1997 Sinter References 7 0263 08 11 1999 H M L Sinters Fixed expon...

Page 5: ...OGRAMMING THE Q200 gives a detailed description of each program function and instructions for viewing and altering them Section 9 CALIBRATING THE Q200 describes the procedure for calibrating the Q200...

Page 6: ...hanging the battery on the Q200 Appendix I Changing The Probe Sinter details the procedure for changing the Q200 s hand unit probe and sinter Appendix J Leak Rate and Concentration Formulae lists the...

Page 7: ......

Page 8: ...STALLATION REQUIREMENTS 4 1 4 1 REMOVING THE CASE LID 4 1 4 2 GAS SUPPLY 4 1 4 3 POWER SUPPLY 4 2 4 4 STORAGE AND OPERATING ENVIRONMENT 4 2 4 5 OPERATING MODES 4 2 4 5 1 PORTABLE INSTALLATION 4 2 4 5...

Page 9: ...Q200 9 1 10 0 THE Q200 IN USE 10 1 10 1 STANDBY MODE 10 1 10 2 SAMPLE MODE 10 1 10 3 INSTRUMENT CALIBRATION 10 2 10 4 GENERAL TIPS ON LEAK DETECTION 10 3 10 5 ADJUSTING THE VOLUME 10 6 10 6 BACKGROUN...

Page 10: ...ssories 3 1 Figure 2 Removing the Case Lid 4 1 Figure 3 Front Panel Layout 5 1 Figure 4 Hand Unit Display and Keyboard 6 1 Figure 5 Changing the Internal Gas Cylinder G 1 Figure 6 Changing the Battery...

Page 11: ......

Page 12: ...en of the instrument and all users are instructed in the use of the instrument and not to attempt access to the radioactive sources In the event of damage or loss occurring there may be a requirement...

Page 13: ...to enter the detector Appendix D contains details of replacement seals that can be fitted to the sinter Fit the sinter into the front of the detector assembly Use a broad flat bladed screwdriver to ti...

Page 14: ...t is not damaged Damage to the seal will compromise the performance of the instrument by allowing an excessive amount of air to enter the detector Appendix D contains details of replacement seals that...

Page 15: ...ces to re enter a valid code If a valid code is not entered within three attempts the instrument will revert back to the Configure prompt 4 If the Select key is pressed with a valid code being display...

Page 16: ...LY The instrument requires a supply of Argon that is at least 99 998 pure This is supplied with the instrument in a gas cylinder that conforms to BS 5045 3 B The gas cylinder should be filled to a pre...

Page 17: ...ccident that damages the hand unit beyond repair or when the instrument has exceeded its useful life the unit must be disposed of through an approved contractor In the United Kingdom the manufacturer...

Page 18: ...on Ltd Western Way Bury St Edmunds Suffolk United Kingdom IP33 3SP Transposed Harmonised Standards BS EN 61010 1 1993 Safety requirements for electrical equipment for measurement control and laborator...

Page 19: ......

Page 20: ...e detection principle uses a single Electron Capture Detector ECD utilising a low power radioactive source contained within the hand unit To measure for leaks the component under test is filled with a...

Page 21: ......

Page 22: ...00 are housed in the console case lid as illustrated in Figure 1 Figure 1 Q200 Case Lid Containing Accessories Gas cylinder spanner to allow the internal gas cylinder to be removed Battery charger and...

Page 23: ...ery charger is located in the fuse drawer section of the charger mains socket inlet A range of standard leaks to be used during calibration and sinters to modify the operating range of the Q200 are av...

Page 24: ...the case lid unlock the case release the buckles on the front of the case and raise the lid Whilst holding the case lid slide the lid to the left this will detach the lid from the base of the case 4 2...

Page 25: ...moval and replacement of the battery is described in Appendix H The battery charger is designed for use on a flat surface adjacent to the instrument and with adequate clearance around the charger for...

Page 26: ...ode of operation as the battery capacity will be slowly eroded Running the instrument in the detector clean mode while charging is also possible but a 24 hour charge is recommended in this case To rec...

Page 27: ...has the effect of disabling the low gas warning See section 8 for details of how to program the instrument 4 5 2 2 RUNNING FROM THE EXTERNAL POWER SUPPLY The external power is supplied via the mains o...

Page 28: ...00 Figure 3 Front Panel Layout 5 1 1 KEY SWITCH ORIENTATION The key switch has the following orientation Run key removed The user can make measurements select standby mode clean the detector zero the...

Page 29: ...being displayed then that parameter will be reset to its default setting This key also cancels errors and exits functions such as the clean facility Clock Edit This key is used to either set the date...

Page 30: ...unit consists of a rugged case This houses a sample probe detector with amplifier pump ten segment LED bar graph display three key switch panel and two LED indicators as illustrated in Figure 4 A serv...

Page 31: ...eading taken since the last zero was performed When enabled the audio is still free running enabling the leak site to be located Pressing the key a second time will disable this function 6 2 HAND UNIT...

Page 32: ...r calibration level with the alarm level taking precedence if both are set When the user is sampling and a leak is present the audio will build until the midpoint is reached then a two tone signal wil...

Page 33: ......

Page 34: ...the hand unit from its holder Turn on the gas supply by turning the gas bottle handle to the left or turn on the external gas supply Switch the instrument on via the on off rocker switch located in a...

Page 35: ...d with a two second delay between each display update Warming Up Gas SF6 Units ml s Cal Off Al 1 0x10 6ml s Throughout the initialisation routine the hand unit warning LED is illuminated The hand unit...

Page 36: ...Configure Diagnostics Set Date Time While in program mode the warning LED will be on to indicate the instrument is in program mode except when calibrating If the key is inserted in the key switch and...

Page 37: ...ment may be calibrated are automatically changed to match the usable range of the instrument Appendix A contains a full list of the operating calibration and alarm ranges for all the inlet probes 8 1...

Page 38: ...Configure menu use the keys and to exit the Configure menu press 8 2 1 CLEAN TIME The first parameter in the Configure menu is Clean Time 1 00 H M This parameter relates to the time for which the dete...

Page 39: ...ibration level but in this case no two tone warning is given When results are printed the alarm level sets the criterion for printing Pass or Fail against individual results 8 2 3 TRACE GAS CONCENTRAT...

Page 40: ...st Default Value Off 8 2 5 DISPLAY TYPE The fifth parameter in the Configure menu is Display Auto This parameter sets the manner in which leak rate information is presented on the digital display on t...

Page 41: ...and keys this parameter can be toggled between no and yes To clear the program mode parameters select the Yes option and press the key on the hand unit The instrument will display Parameters Cleared T...

Page 42: ...ue Internal 8 3 DIAGNOSTICS MENU The Diagnostics menu contains five parameters that are described in this section To enter the Diagnostics menu the user must press the key with the Diagnostics menu he...

Page 43: ...in the Calibration menu then this parameter will display Recal Off 8 3 5 SOFTWARE VERSION NUMBER The fifth parameter in the Diagnostics menu is Version 200XXX 5 0 This parameter is the version number...

Page 44: ...ds This message confirms that the Real Time Clock has been updated Date Set If on pressing the key the date entered is invalid e g 31 02 1999 an error message will be displayed for two seconds and the...

Page 45: ...ngs press key to exit without changing any settings press the key When the user exits the Time sub menu a confirmation message will be displayed for two seconds This message confirms that the Real Tim...

Page 46: ...Q200 Q200 User Manual 200120 Revision 10 8 11 8 5 EXITING THE MENU STRUCTURE Any of the menus mentioned in Section 11 can be exited by moving the key switch to or which will cause the instrument to en...

Page 47: ......

Page 48: ...Calibrate menu as described in section 8 1 3 The calibration routine is initiated by pressing the key on the console whilst in program mode Entering the program mode will cause the warning LED to be...

Page 49: ...re reverting to its previous state before the key was pressed with the warning LED illuminated Valid Calibration If the calibration leak rate entered in the Calibrate menu varies greatly from the resp...

Page 50: ...trument is powered up and the initialisation routine has been completed the display will show Standby The instrument should be put into standby mode if it is not going to be used for five minutes or m...

Page 51: ...iate if the instrument is used in an essentially fixed installation a supply of clean air can be derived from a compressed air cylinder with a regulator or from a compressed air supply If a compressed...

Page 52: ...entration of the gas in the vessel is representative of the bulk calibration gas by performing sequential calibrations and examining the calibration factor after each calibration and flushing the vess...

Page 53: ...ed to stand for a specified period of time to allow the concentration of SF6 to build up in the space within the chamber surrounding the item under test The concentration of SF6 in this space is measu...

Page 54: ...in the test chamber as a result of the incubation of a leaking test component Having zeroed the instrument in a clean background the instrument will display a true result because the SF6 concentration...

Page 55: ...setting on the Q200 can be adjusted whilst in sample mode If the user presses either the or keys the new volume level will be displayed Volume Medium This message will be displayed for a two second p...

Page 56: ...cific purpose To do this enter sample mode and clear the storage buffer by pressing and keys simultaneously If adding to any previous stored readings ignore this step To store a result whilst measurin...

Page 57: ...8 66 67 Fail 4 33 33 Total 12 It should be noted that if no alarm level were set no pass fail results would be printed as shown below Q200 Results Gas SF6 Trace gas 100 Units ml s Al Off Cal 1 0x10 6m...

Page 58: ...ided The pin outs for the RS232 connector are shown in Appendix E The printer should be set up to match the instrument s communication protocol 9600 baud 1 start bit 8 bit data 1 stop bit No parity 11...

Page 59: ......

Page 60: ...lay Direct Digital display of leak rate in ml s or ppm Bar graph display relative to alarm level or calibration level Alarm Audio and visual warning if the leak rate sampled exceeds the set alarm leve...

Page 61: ...t The following tables indicate the leak rate and concentration measurement Calibration and Alarm ranges that are available for a range of specified Trace Gas concentrations Leak Rate Measuring Ranges...

Page 62: ...inter L Sinter Range 0 0 x 10 8 1 8 x 10 5 0 0 x 10 6 1 8 x 10 3 0 0 x 10 5 1 8 x 10 2 0 0 x 10 4 1 8 x 10 1 Calibration Level 1 0 x 10 10 1 8 x 10 7 1 0 x 10 8 1 8 x 10 5 1 0 x 10 7 1 8 x 10 4 1 0 x...

Page 63: ......

Page 64: ...hould be left on charge overnight From time to time remove the battery and check for any cracks in the case and around the terminals Spare batteries can be obtained from your supplier see Appendix D f...

Page 65: ...e the probe occasionally and check that it is not blocked Spare probes may be obtained from your supplier see Appendix D for more information B 6 CABLE Check the cable between the console and the hand...

Page 66: ...uses Remove the fuse in the active position and replace with the spare fuse Refit the fuse drawer connect the charger to the mains supply and re check If the unit still does not perform correctly seek...

Page 67: ......

Page 68: ...t C 1 1 EPROM FAULT This fault will only occur at power up The display will show Fault EPROM If this fault occurs consult your supplier C 1 2 MEMORY FAULT This fault will only occur at power up The di...

Page 69: ...0 C in normal sample mode or exceeds 120 C in clean mode the heater control circuit could be faulty The display will show Fault Heater If this fault occurs consult your supplier C 1 8 PRT OPEN CIRCUIT...

Page 70: ...up if any stored program parameters have been corrupted The display will show Error Program To clear this error press the key The display will then show Reset Parameters No Pressing the or keys will...

Page 71: ...alibration factor is less than 0 3 or greater than 3 0 this error message will be displayed for two seconds The display will show Error Invalid Cal Since an Invalid Cal error leaves the calibration fa...

Page 72: ...an always be cancelled If as a result of the warning the key switch is set to Program and a calibration is attempted and no calibration level has been set the display will show No cal leakrate set Thi...

Page 73: ...e Diagnostics menu If this does not improve the detector frequency the inlet either sinter or capillary should be changed Appendix D contains details of the part numbers of the seals and inlets that m...

Page 74: ...NG This warning can only occur in sample mode when the user tries to store more than 100 readings The display will show Warn Storage Buffer An intermittent audio warning will sound and the warning LED...

Page 75: ......

Page 76: ...inter O ring Seal 2 674 Capillary Probe Kit Range 10 10 10 7 100 Trace Gas 200128 Capillary Probe Seals O Ring Needle Probe Disc Seal 2 671 37107 40 Column printer with RS232 printer cable 200123 RS23...

Page 77: ...Q200 User Manual Spares Options List 200120 Revision 10 D 2 Gas bottle filling jig American 99030 Standard leak kit Leak rate to be specified 10050 Inline battery fuse T2A 250V 1 3 291...

Page 78: ...and the analogue output for connection to a printer and chart recorder respectively Pin Signal name function Direction of signal 1 2 RxD Not used 3 Txd Transmitted data From 200 to printer 4 5 6 DSR 2...

Page 79: ......

Page 80: ...leaks in high voltage electrical switchgear Fume cupboard and glove box checks Location of leaks in military components e g missiles mines and torpedoes Leak testing fire extinguishers Leak testing of...

Page 81: ......

Page 82: ...le lid accessible when the console lid is raised Use gas cylinder spanner provided to unscrew cylinder connection Release the cylinder retaining straps and withdraw cylinder Fit new cylinder ensuring...

Page 83: ......

Page 84: ...attery is disconnected to reconnect the battery the procedure is as follows Turn off power Unlock the turn fasteners on the console cover 3 positions raise console cover and engage support arm Unlock...

Page 85: ...e the connector that runs into the main cable Lift battery assembly out of case Install new battery assembly in the console Locate the battery lead and connect it to its mating connector lead that is...

Page 86: ...d unit nozzle illustrated in Figure 8 To change the instrument s sinter the procedure is as follows Turn off the power and gas supplies and allow the instrument to cool Unscrew the hand unit nozzle Re...

Page 87: ...he sinter into the detector assembly using a broad bladed screwdriver to ensure that the slot in the front of the sinter in not damaged Replace the nozzle Figure 8 Location of Sinter Warning The detec...

Page 88: ...g formulae J 1 LEAK RATE IN GRAMS PER YEAR GM YEAR gm year leak rate in ml per second gas molecular weight 31536000 24500 where gas molecular weight 146 for SF6 31536000 Number of seconds in a year 24...

Page 89: ......

Page 90: ...Standby Sam ple Calibrate CleanTime Configure Diagnostics SetDate Time Date Time Hours M inutes Day Month Battery Tem perature Frequency Recal Version Reset Parameters Al TraceGas AutoZero Display Ga...

Page 91: ......

Page 92: ...n factor that is applied to all future readings Cal Factor The calibration factor is the ratio by which the actual measurement of leak rate obtained from a standard leak differs from notional measurem...

Page 93: ...ered since last time the key was pressed With peak hold selected the audio level still indicates the instantaneous signal level Recal Relates to the time remaining before re calibration is due Recal I...

Page 94: ...2 C 6 C 7 C 8 clock 5 2 8 9 8 10 concentration iii 8 4 10 1 A 2 J 1 ii contamination 8 3 8 5 10 1 10 7 B 1 ii cylinder 1 5 2 1 3 1 4 3 4 4 A 1 B 2 C 2 G 1 D date 5 2 8 1 8 9 8 10 B 2 C 4 detector1 1 2...

Page 95: ...robe iii 1 6 6 1 9 1 9 2 10 6 10 7 B 2 I 1 ii R re calibration 8 2 8 8 B 1 C 8 ii re calibration interval 8 2 8 8 B 1 C 8 reset parameters 6 2 S sample 5 2 6 1 6 2 8 3 9 1 10 1 10 6 10 7 C 2 C 5 C 6 C...

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