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This document is the property of Michell Instruments Ltd. and may not be copied or

otherwise reproduced, communicated in any way to third parties, nor stored in any Data

Processing System without the express written authorization of Michell Instruments Ltd.

I.S. Field Display

For Michell Instruments' contact information please go to

www.michell.com

Содержание Easidew PRO

Страница 1: ...Intrinsically Safe Field Display User s Manual 97321 Issue 2 3 May 2016 P E ppmV Easidew PRO I S Field Display...

Страница 2: ...nformation when contacting Michell Instruments for service purposes Instrument Code Serial Number Invoice Date Location of Instrument Tag No Instrument Code Serial Number Invoice Date Location of Inst...

Страница 3: ...d may not be copied or otherwise reproduced communicated in any way to third parties nor stored in any Data Processing System without the express written authorization of Michell Instruments Ltd I S F...

Страница 4: ...P 14 3 1 8 Tare Function tArE 15 3 1 9 Security Code CodE 15 3 1 10 Reset to Factory Defaults rSEt 15 3 1 11 Under and Over Range 16 3 2 External Keypad Optional 16 3 3 Alarms Optional 17 3 3 1 Solid...

Страница 5: ...nfiguration Functions in Configuration Menu 19 Figure 12 Terminals for Optional Backlight 25 Figure 13 Loop Powered Backlight 25 Figure 14 Separately Powered Backlight 26 Figure 15 Pipe Mounting Kit 2...

Страница 6: ...ome into contact with any hazardous substance which might be employed in the construction of the instrument Care should however be exercised during maintenance and the disposal of certain parts Repair...

Страница 7: ...Dust certification is an option which must be requested when the instrument is ordered The EC Type Examination certificate specifies that under fault conditions the output voltage current and power a...

Страница 8: ...When the button is released the normal display in engineering units will return The function of this push button is modified when optional alarms are fitted to the I S Field Display When this button i...

Страница 9: ...uments in the loop and subtracting the totals from the maximum cable capacitance Co and cable inductance Lo permitted for the Zener barrier or galvanic isolator powering the loop Although the I S Fiel...

Страница 10: ...erate the additional 1 2 V required to operate the I S Field Display When fitted with an optional backlight this increases to 5 V if the backlight is loop powered See Section 3 4 1 Figures 2 and 3 ill...

Страница 11: ...he type of intrinsically safe interface is not critical Either a Zener barrier or a galvanic isolator may be used providing that the Ui li and Pi of the I S Field Display are not exceeded and the volt...

Страница 12: ...al is connected to the carbon loaded GRP enclosure If this enclosure is not bolted to an earthed post or structure the earth terminal should be connected to the plant potential equalizing conductor Th...

Страница 13: ...each with bore diameter between 0 859 and 0 906 inches S Terminals 2 and 4 internally linked for joining return 4 20 mA wire Terminals 5 and 6 internally linked for joining cable screens 1 2 3 4 1213...

Страница 14: ...ter FunC will be displayed If a security code other than the default code 0000 has already been entered the I S Field Display will display CodE Pressing P will clear this prompt allowing each digit of...

Страница 15: ...2 rESn Display resolution Defines the resolution of the least significant display digit May be set to 1 2 3 or 10 digits See Section 3 1 3 dP Decimal point Positions a dummy decimal point between any...

Страница 16: ...I S Field Display User s Manual 10 97321 Issue 2 3 May 2016 OPERATION Figure 7 Configuration Menu...

Страница 17: ...See Section 3 1 9 rSEt Reset Contains two sub functions ConF which returns the I S Field Display to the default conditions shown in Section 3 1 and LtAb which returns the lineariser to the default co...

Страница 18: ...nu 2 Press P to reveal the current display resolution 3 To change the resolution press or to select 1 2 5 or 10 digits 4 Press E to enter the selection and return to the Configuration Menu 3 1 4 Posit...

Страница 19: ...isplay and return to the ZEro prompt SPAn 6 Pressing from the ZEro prompt will cause the instrument to display SPAn which is a request for a 20 mA input current 7 Adjust the external current calibrato...

Страница 20: ...ll the digits have been adjusted press E to return to the ZEro prompt SPAn 6 To adjust at 20 mA press from the ZEro prompt which will cause the instrument to display SPAn 7 Press P to reveal the instr...

Страница 21: ...u The revised security code will be activated when the I S Field Display is returned to the display mode Please contact Michell Instruments see contact details at www michell com if the security code...

Страница 22: ...n normally with an input current between 1 8 mA and 4 mA At lower currents the instrument will display LPLo before it stops functioning 3 2 External Keypad Optional The four push buttons are located b...

Страница 23: ...fe When an alarm occurs an alarm annunciator on the front panel is activated and if required the numerical display can alternate between the measured value and the alarm channel identification ALr1 or...

Страница 24: ...ystem documentation and allows the alarm output terminals 8 9 and 10 11 to be connected to almost any intrinsically safe circuit protected by a Zener barrier or galvanic isolator providing the output...

Страница 25: ...dditional functions for Alarm 1 but Alarm 2 has identical functions The following table summarizes each of the alarm configuration functions and includes a cross reference to more detailed information...

Страница 26: ...etpoints from the display mode and defines a separate security code See Section 3 3 12 3 3 4 Alarm Enable EnbL This function allows each alarm to be enabled or disabled without altering any of the ala...

Страница 27: ...tputs will open irrespective of conditioning Therefore for fail safe operation both alarm outputs should be conditioned to be open in the alarm condition nC To check or change the alarm output status...

Страница 28: ...will not start to function until the alarm output is activated See Section 3 3 11 3 3 10 Alarm Silence Time SiL This function is primarily intended for use in small installations where the alarm outp...

Страница 29: ...vided by a separate security code This direct setpoint access menu is enabled and the separate security code entered from the ACSP function as shown in Figure 11 To enable disable ACSP 1 Press the P a...

Страница 30: ...enable the alarm security code to be entered digit by digit using and to change the flashing digit and P to move control to the next digit 3 When the correct code is entered pressing E will cause the...

Страница 31: ...ering the Backlight The backlight is loop powered by connecting it in series with the I S Field Display s 4 20 mA input as shown in Figure 13 which increases the maximum Field Display voltage drop fro...

Страница 32: ...o or greater than the minimum specified voltage Below this supply voltage the backlight continues to function but with reduced brilliance Current Minimum voltage 34 7 mA 11 V Any certified Zener barri...

Страница 33: ...tal pipe with an outside diameter between 60 and 80mm Figure 15 Pipe Mounting Kit Assembly Procedure 1 Completely unscrew both hose clips and thread them through the horizontal or vertical slots in th...

Страница 34: ...safety before starting maintenance Live maintenance is permitted on intrinsically safe equipment installed in a gas hazardous area but only certified test equipment should be used unless a gas clearan...

Страница 35: ...I S Field Display User s Manual Michell Instruments 29 APPENDIX A Appendix A Hazardous Area Certification...

Страница 36: ...t conforms to the Standards EN60079 0 2009 IEC60079 0 2007 10 EN60079 11 2012 IEC60079 11 2006 EN60079 26 2007 IEC60079 26 2006 ANSI IEC 60529 2004 IEC61241 11 2005 FM CLASS 3600 2011 CAN CSA C22 2 No...

Страница 37: ...ous classified locations without the need for Zener barriers or galvanic isolators US installations must comply with the Control Drawing CI300 73 which is attached to this Appendix and with the Nation...

Страница 38: ...I S Field Display User s Manual 32 97321 Issue 2 3 May 2016 APPENDIX A...

Страница 39: ...I S Field Display User s Manual Michell Instruments 33 APPENDIX A...

Страница 40: ...I S Field Display User s Manual 34 97321 Issue 2 3 May 2016 APPENDIX A...

Страница 41: ...I S Field Display User s Manual Michell Instruments 35 APPENDIX A...

Страница 42: ...I S Field Display User s Manual 36 97321 Issue 2 3 May 2016 APPENDIX A...

Страница 43: ...I S Field Display User s Manual Michell Instruments 37 APPENDIX A...

Страница 44: ...I S Field Display User s Manual 38 97321 Issue 2 3 May 2016 APPENDIX A...

Страница 45: ...I S Field Display User s Manual Michell Instruments 39 APPENDIX A...

Страница 46: ...I S Field Display User s Manual 40 97321 Issue 2 3 May 2016 APPENDIX A...

Страница 47: ...I S Field Display User s Manual Michell Instruments 41 APPENDIX A...

Страница 48: ...I S Field Display User s Manual 42 97321 Issue 2 3 May 2016 APPENDIX B Appendix B EC Declaration of Conformity...

Страница 49: ...ay User s Manual Michell Instruments 43 APPENDIX B Appendix B EC Declaration of Conformity 0 1 23 1 4 1 566 0 1 23 1 7 8 9 3 0 6 39 6 39 6 1 0 6 6 2 0 3 6 4 A B 6 4 5 6 7 8 9 9 0 4 2 C D 6 4 2 C D 6 9...

Страница 50: ...I S Field Display User s Manual 44 97321 Issue 2 3 May 2016 APPENDIX C Appendix C Quality Recycling Warranty Information...

Страница 51: ...which may be harmful to the environment Similarly we are increasingly using recyclable and or recycled material in our business and products wherever it is practical to do so To protect natural resour...

Страница 52: ...EU Directive 2011 65 EU Article 3 24 defines Control and Monitoring Equipment specifically as monitoring and control instruments designed exclusively for industrial or professional use RoHS2 EU Direct...

Страница 53: ...main compliant Michell Instruments maintains a hazardous material register in which MSDS data sheets are collated and we will check that our suppliers will comply to REACH requirements for all materia...

Страница 54: ...courses of action will be taken If the fault is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned If Michell Instruments determines that the...

Страница 55: ...I S Field Display User s Manual Michell Instruments 49 APPENDIX D Appendix D Return Document Decontamination Declaration...

Страница 56: ...s chemicals YES NO Radioactive substances YES NO Other hazards YES NO Please provide details of any hazardous materials used with this equipment as indicated above use continuation sheet if necessary...

Страница 57: ...I S Field Display User s Manual Michell Instruments 51 NOTES...

Страница 58: ...http www michell com...

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