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Illinois Instruments, Inc. (U.S.)

2401 Hiller Ridge Road

Johnsburg

Illinois IL

60051

Systech Instruments Ltd

17 Thame Park Business Centre

Wenman Road

Thame

Oxfordshire

OX9 3XA

E: [email protected]

www.systechillinois.com

SERIES EC900

OXYGEN ANALYZERS

(Covers MK3 USB models)

OPERATOR’S INSTRUCTION

MANUAL

Version 4.7

February 2014

Содержание EC900 series

Страница 1: ...Instruments Ltd 17 Thame Park Business Centre Wenman Road Thame Oxfordshire OX9 3XA E support usa systechillinois com E support uk systechillinois com www systechillinois com SERIES EC900 OXYGEN ANAL...

Страница 2: ...1 0 PROGRAMME CODES 17 13 0 CALIBRATION 20 13 1 Calibration with Atmospheric Air 20 13 2 Calibration with Certified Gas 21 13 3 Automatic Calibration option 22 14 0 USB and RS485 COMMUNICATIONS 24 14...

Страница 3: ...8 2010 Added 0 10V output details Nick Stuart 4 2 02 06 2011 Added details for mk 6 PCB also corrected p16 Nick Stuart 4 3 20 12 2011 Added info regarding Auto Cal initiation Re CI 4162 and SPn2 value...

Страница 4: ...any information you can give us of any difficulties you may encounter with the analyzer or the manual This symbol is known as the Crossed out Wheelie Bin Symbol When this symbol is marked on a produc...

Страница 5: ...improper use of this equipment All service and technical enquiries are covered from our factories in Thame Oxfordshire and Johnsburg Illinois where we will endeavour to give a quick and helpful respon...

Страница 6: ...rument numbering system When particular attention should be given in this manual to a particular configuration the paragraph will be preceded with a configuration specification i e EC91x Panel Bench m...

Страница 7: ...Life and Notes A 6 Months from the date of supply The measuring cell should have a life of 4 years The life is very much dependent on the moisture in the gas stream The more humid the gas as long as...

Страница 8: ...rmed by electrolyte solution seeping from the inlet outlet pipes or by blackening of the same pipes 4 0 ISOLATION VALVE OPERATING ORDER For analyzers sampling from pressurised supplies When opening th...

Страница 9: ...than 30 seconds EC9x2 90 indication in less than 30 seconds EC9x3 Air to less than 20ppm in 2 minutes Accuracy EC9x0 0 2 of calibrated value at 20 o C 1 of calibrated value over temperature range EC9x...

Страница 10: ...tacts fully configurable over the complete oxygen range one fault alarm Contact rating 5A 250VAC 30VDC Analogue outputs Software configurable over the entire oxygen range for either Current 4 20mA iso...

Страница 11: ...nsional drawings should be referred to at the rear of the manual Please read this manual thoroughly before connecting or applying power to the unit Systech Illinois Instruments cannot be responsible f...

Страница 12: ...ld be opened fully and the cell outlet valve opened sufficiently to obtain 100 150 ml min Too high a flow rate will pressurise the measuring cell and cause an error in the reading for some time Conver...

Страница 13: ...rated 2A 250V slow blow type Replace only with fuses of equivalent ratings EC92x Connect power in accordance with the label on the chassis DO NOT SWITCH ON UNTIL YOU READ THE NEXT SECTION USING THE I...

Страница 14: ...of the sample gas The display will auto range dependent upon the measured gas with ppm or indicated by the LED s to the right of the digital display To access programming mode press the menu button o...

Страница 15: ...programme button is pressed a new function will be displayed briefly and then the value for that function Note some functions are read only Continual pressing of the programme button will eventually s...

Страница 16: ...t Increments selected display digit Each press steps selected digit through complete numerical range Cycles decimal point position Toggles ppm and LED s Enter Reset Enters new data into memory for tha...

Страница 17: ...nctions Page 0 are functions that the operator may want to change frequently for example alarm trip levels and analogue output scales Page 1 functions require a password to enter and have been arrange...

Страница 18: ...roximately 0 3 Adjusts the calibration high point to the correct value to agree with the plant gas air or certification cylinder The gas should be in the range 1 25 SPHi EC9x3 Adjusts the calibration...

Страница 19: ...ss settles down to equilibrium ANCH1 Sets the configuration of the Analogue output for channel 1 Can be 0 4 20mA 1 0 20mA or 2 0 10V ANCH2 Sets the configuration of the Analogue output for channel 2 C...

Страница 20: ...ration it may be required for the operator to know that the analyzer had seen an alarm condition even though the measured value was now normal Latched alarms remain on until manually or remotely reset...

Страница 21: ...rrectly to measure oxygen in nitrogen will not read correctly on oxygen in argon This calibration factor is due to the molecular weight of the background gas Setting and changing the gas factor to the...

Страница 22: ...arms can be suppressed for the duration of the autocal and for a further five minutes until the process settles down to equilibrium To turn the feature on change the code from 0 to 1 Factory configura...

Страница 23: ...he default value is 20 9 4 Enter the CAL mode by pressing 5 By pressing the ENTER button the instrument will automatically reset itself to 20 9 and continue to measure the oxygen content of the air 6...

Страница 24: ...oxygen measurement See Front Panel Guide Note If the CAL value is correct press then press to calibrate at that level EC9x3 1 Connect the certified gas to the sample port ensuring the same pressure a...

Страница 25: ...volt free relay contacts on the rear of the instrument is available to indicate that there is an Auto calibration in progress This is between connections on 15 and 16 These will be a short circuit wh...

Страница 26: ...the input of a value of 12 6ppm because it considers the error to be too large Something else is almost certain to be incorrect Ensure the sample from the bottle is at equilibrium and there are no le...

Страница 27: ...Systech Illinois Instruments to obtain the required customer log in details The USB data communication cable is standard USB A to USB B cable However before the USB cable is plugged into your PC you M...

Страница 28: ...dow will close and you will be back at the driver installation screen Click on Return and continue with the next section 14 2 Installing the COMMS UTILITY SOFTWARE From the memory Stick distribution s...

Страница 29: ...is displayed Click on OK then the screen will change to this Click on the button shown above to install the Comms Utility software to the specified destination directory You can at this point select a...

Страница 30: ...he software has been installed satisfactorily If during the installation phase you are presented with a screen that informs you that you are trying to replace a file on your computer with one that is...

Страница 31: ...instruments connected simultaneously each will have a different comms port allocation In addition to this you should bear in mind that Comms Comms Utility can only access up to Com 6 Ensure that the...

Страница 32: ...e Com6 To change this Port number Double click on USB Serial Port you should be presented with the following screen Click on the downward arrow next to COM12 and you will get a drop down list of all i...

Страница 33: ...ice manager note which COMMS port is being used for the USB connection Note it MUST be between Com1 and Com8 if it is not within this range please contact Systech Illinois for details on how to change...

Страница 34: ...nother Check the INC TIME DATE box if you wish to save the time and date with each REPLY in the file to be saved Click on Start to begin interrogation of the instrument click on Stop to end the interr...

Страница 35: ...AL1 Reads Sets Alarm1 set point AL2 AL2 Reads Sets Alarm2 set point ID ID Reads Sets instrument ID no 0 to 9 ANHI 1 ANHI 1_ Reads Sets oxygen level for high analogue output 1 20mA ANLO 1 ANLO 1_ Reads...

Страница 36: ...e terminal strip on the rear panel refer to drawing no B900 076 at the end of this manual Terminal Signal A Data B Data To communicate with the instrument an instrument address should precede the norm...

Страница 37: ...the 10V signal is assigned to 2 5 oxygen and 0V to 1 oxygen Likewise the 20mA signal indicates 2 5 and 4mA is 1 As the oxygen varies between 1 and 2 5 the voltage and current signals will also vary If...

Страница 38: ...uring cell there could potentially be ingress of oxygen through the exhaust line if it is vented back into a closed loop system such as a glove box etc However analyzers fitted with internal sampling...

Страница 39: ...is attempting to program a number or value outside a permitted range ACAL Automatic calibration fault indicates an oxygen value outside limits set under USB when Autocal attempted Requires successful...

Страница 40: ...rear of the instrument to disconnect the sample lines and withdraw the cell from the instrument 7 Position the replacement cell in the instrument and loosely locate the two mounting screws Do not tig...

Страница 41: ...alyzer 2 With Systech Illinois Comms Utility type the command to be sent in the OUTPUT window then press return or the send button If successful the instrument will reply with 0 1 or 2 If the comms fa...

Страница 42: ...385 Bypass flowmeter Brass 920 900 118 Bypass flowmeter stainless steel 920 101 386 Bypass flowmeter Brass 920 900 207 Bypass flowmeter stainless steel 920 100 574 1 8 bulkhead stainless steel 100 57...

Страница 43: ...ow 900 A 900 032 EC900 Ultra Low Trace O2 in H2 Assy Cell Trace O2 H2 Ultra Low A 900 047 EC900 Percent Assy Cell 900 C 900 055 EC900 Race Assy Cell Race D 900 057 EC900 Trace O2 in H2 Assy Cell Trace...

Страница 44: ...have been a number of changes in the basic instrument that have resulted in the suffix of the instrument being changed These are as follows Suffix Change Details Change Date A RS485 Hardware fitted 19...

Страница 45: ...EC900 Series Operation Manual V4 7 www systechillinois com Page 42 Appendix 1 Drawing Number B900 176...

Страница 46: ...EC900 Series Operation Manual V4 7 www systechillinois com Page 43 Appendix 2 Drawing Number 920 043_B...

Страница 47: ...EC900 Series Operation Manual V4 7 www systechillinois com Page 44 Appendix 3 Drawing Number B 900 180...

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