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Содержание Liquidew I.S.

Страница 1: ...97092 Issue 6 July 2022 Liquidew I S Process Moisture Analyzer User Manual...

Страница 2: ...contacting Michell Instruments for service purposes Product Name Order Code Serial Number Invoice Date Installation Location Tag Number Product Name Order Code Serial Number Invoice Date Installation...

Страница 3: ...e 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 Liquidew I S Pro...

Страница 4: ...tal Requirements 7 2 3 Mounting 7 2 3 1 Control Unit Installation 7 2 3 2 Mounting the Liquidew I S Sensor Assembly into the Sampling System 9 2 3 3 Sampling System Installation 11 2 4 Wiring 12 2 4 1...

Страница 5: ...15 Dew Point Transmitter Housing 21 Figure 16 Dew Point Transmitter Pin Assignment Drawing 22 Figure 17 Temperature Transmitter Housing Example 23 Figure 18 Temperature Transmitter Pin Assignment Draw...

Страница 6: ...irectives Further details of applied directives may be found in the product specification Electricity and pressurized gas can be dangerous This product must be installed and operated only by suitable...

Страница 7: ...uring the intended normal operation of this product it is not possible for the user to come into contact with any hazardous materials This product is designed to be recyclable except where indicated R...

Страница 8: ...newton meter mA milli Ampere psig pressure in pound s per square inch gauge ppmW parts per million by weight T temperature V Volts Warnings The following general warnings listed below are applicable...

Страница 9: ...is 0 500 parts per million by weight ppmW There are 8 pre set liquid options available for the CS data used in moisture calculation together with 2 user defined solutes and an ability to mix any 2 li...

Страница 10: ...the entire measurement range and certified traceable to NPL UK and NIST USA Certified intrinsically safe Replaceable sensor element with Michell Calibration Exchange Service for professional scheduled...

Страница 11: ...ards With the Liquidew I S the amount of dissolved moisture dispersed throughout the immiscible process liquid is measured on line in real time in units of ppmW moisture content using Henry s Law Acco...

Страница 12: ...ur channels can have any combination of Liquidew I S Promet I S or Minox i O2 sensors a Temperature transmitter b Sensor block c Dew point transmitter d User interface e Electrical connections to haza...

Страница 13: ...d 30 V DC 5A non inductive load The control actions and set points of these four alarms are user programmable A fault alarm with adjustable set points is also included 1 5 Sampling System The Liquidew...

Страница 14: ...ol unit Liquidew I S sensor assembly if a sampling system has been ordered the sensor assembly should already be mounted in the sampling system Certificates of calibration and conformity Power lead on...

Страница 15: ...installed in a safe area The control unit is intended for indoor installation only and operates within environmental limits of 0 50 C 32 122 F and 90 rh The control unit contains built in isolation ba...

Страница 16: ...the internal rack wiring ensuring that there is sufficient free cable to permit withdrawal of the instrument from the rack d Slide the instrument into the rack and support its weight while the four f...

Страница 17: ...ansmitter Easidew PRO I S 2 Temperature transmitter 3 Sensor block To assemble proceed as follows a Remove the protective cap on the dew point transmitter Easidew PRO I S before installation and retai...

Страница 18: ...nsor uppermost to minimize spillage of sample liquid when removing the moisture sensor for calibration maintenance c Sample liquid connections are made via the process inlet and process outlet ports a...

Страница 19: ...140 F preferably 0 40 C 32 104 F for optimum performance Consult Michell Instruments for special heating or cooling options if the temperature is outside of this range b Fasten the sampling system to...

Страница 20: ...h potential 2 4 1 Overall Wiring Arrangement mA SCN V mA SCN V N O N C COM N O N O N C COM N O mA1 mA2 0V mA3 SCN 5 3 2 L N E GND A B 4 3 2 1 SENSOR INPUTS ALARMS OUTPUTS COMMS POWER SOCKET EASIDEW PR...

Страница 21: ...ZARDOUS AREA INFORMATION The only connections on the control unit which can take cables from hazardous area are the connectors labelled I S SENSOR INPUTS ALL OTHER CONNECTORS MUST NOT BE CONNECTED TO...

Страница 22: ...connection is as follows a Turn off the AC power Ensure that both ends of the power cable are potential free i e not connected to an AC power supply b Check that the ON OFF switch is switched to OFF c...

Страница 23: ...e power cable exposing approximately 6mm 0 2 the use of crimps wire ferrules is recommended d Insert the 24 V DC lead into the 24 V terminal way on the terminal block and tighten the screw e Insert th...

Страница 24: ...d SENSOR INPUTS as shown below Figure 11 SENSOR INPUTS Connector Block The method of connection is as follows a Remove the terminal block from the SENSOR INPUTS socket b Strip back the wires of the de...

Страница 25: ...rminal way on the terminal block and tighten the screw d Insert the ve 4 20 mA wire into the 0V terminal way on the terminal block and tighten the screw e Strip back the wires of the temperature signa...

Страница 26: ...ngle pole double throw relays The method of connection is as follows a Remove the terminal block from the ALARMS socket b Strip back the wires of the Alarm 1 cable exposing approximately 6mm 0 2 the u...

Страница 27: ...terminal block and tighten the screw c Insert the common lead into the AL3 COM terminal way on the terminal block and tighten the screw d Repeat operations a to c for connecting the Alarm 4 cable to...

Страница 28: ...w PRO I S in any hazardous environment ensure that personnel are completely familiar with the above standards relating to the certification of this instrument and also with the further information rel...

Страница 29: ...uld be applied so that there is no possibility of a conductor strand of a core becoming free When the crimp wire ferrules are applied they should have a minimum of two positions of crimping After the...

Страница 30: ...ew Point Transmitter Pin Assignment Drawing Always connect the 4 20 mA return signal to a suitable load in this case back into the control unit before the power is applied Without this connection the...

Страница 31: ...ether with the analyzer it is the user s responsibility to make sure that the temperature transmitter is compatible with the I S barrier in the control unit Refer to ATEX UKCA QPS IECEx certificates f...

Страница 32: ...are marked adjacent to each pin 4 20 mA lead 4 20 mA lead Supply 4 20 mA mA V Dew Point Temp SENSOR INPUTS Block SCN Figure 18 Temperature Transmitter Pin Assignment Drawing Example d Tighten the cabl...

Страница 33: ...tructure are described before starting operation Prior to operation the instrument must be connected to the correct electrical power supply sensor signal input relevant analog and alarm outputs as des...

Страница 34: ...nd enter the passcode 5618 using the keypad Then press the upper value to toggle between dew point and moisture concentration in ppmW The selected liquid will be displayed next to the padlock as shown...

Страница 35: ...point and temperature are set in the Display menu Defaults AL1 Moisture low 0 0 high 100 0 AL2 Moisture low 0 0 high 10 0 AL3 FAULT low high 0 0 AL4 FAULT low high 0 0 Output Menu This menu sets the r...

Страница 36: ...ATION Display Menu The display menu is used to Select the units for Dew Point and Temperature C or F Default C Set the Modbus address Default 1 Inputs Menu Used to change to range of the Dew Point and...

Страница 37: ...struments 29 OPERATION Liquids Menu These menu pages allow the user to select the required liquid for the ppmW calculation Page 3 allows the user to edit the two user pages whereby the Cs values for a...

Страница 38: ...Liquidew I S User Manual 30 97092 Issue 6 July 2022 OPERATION The MIXING page allows the user to mix any of the predetermined liquids or the User settable liquids as a ratio About...

Страница 39: ...ng menu or selecting another alarm Fault Pressure Select Outputs 1 to 3 Dp ppmV I Save Setting before exiting menu or selecting another output LBMMSCF Pressure mg M3 ppmV N Save Setting before exiting...

Страница 40: ...ve Setting before e Pressure Save Setting before e Temperature Unit C or F for both Inputs and Outpu ISO IGT selection for Na Save Setting before e Sets the 4 20mA range fo Transmitters which are in m...

Страница 41: ...Liquidew I S User Manual Michell Instruments 33 APPENDIX A Appendix A Technical Specifications...

Страница 42: ...m 10 l min 2 64 GPM 0 1 0 3 l min 0 026 0 079 GPM recommended Calibration Traceable to British NPL and American NIST National Humidity Standards Control Unit Display 2 8 color touch screen LCD display...

Страница 43: ...Instruments 35 APPENDIX A Premium Sampling Systems Refer to relevant ES70L data sheet 97550 Hazardous Area Certification Certification Codes See Appendix D A 1 Dimensional Drawings 483 133 349 16 Figu...

Страница 44: ...Liquidew I S User Manual 36 97092 Issue 6 July 2022 APPENDIX B Appendix B Serial Communications...

Страница 45: ...Determine the register number of the parameter to be read Send the correct command to the monitor and decode the response RS485 Wiring The Liquidew I S monitor uses a 2 wire RS485 connection Pin Name...

Страница 46: ...word R W FLOAT 10 O p 2 high s p hi word R W FLOAT 11 O p 2 high s p lo word R W FLOAT 12 O p 3 low s p hi word R W FLOAT 13 O p 3 low s p lo word R W FLOAT 14 O p 3 high s p hi word R W FLOAT 15 O p...

Страница 47: ...at 60 C R W A1 37 User Cs Table 1 Cs Value at 70 C R W A1 38 User Cs Table 2 Cs Value at 20 C R W A1 39 User Cs Table 2 Cs Value at 10 C R W A1 40 User Cs Table 2 Cs Value at 0 C R W A1 41 User Cs Ta...

Страница 48: ...Alarm 1 High S P Lo Word R W FLOAT 64 Alarm 2 Low S P Hi Word R W FLOAT 65 Alarm 2 Low S P Lo Word R W FLOAT 66 Alarm 2 High S P Hi Word R W FLOAT 67 Alarm 2 High S P Lo Word R W FLOAT 68 Alarm 3 Low...

Страница 49: ...IEEE754 90 Moisture lb mmscf Nat Gas Hi Word R IEEE754 91 Moisture lb mmscf Nat Gas Lo Word R IEEE754 92 Status Register R F 93 Firmware version Main Board R A3 94 Input CH1 Dp or O2 Live ADC Count R...

Страница 50: ...9 8 7 6 5 4 3 2 1 0 B1 Signed Short Range 32768 32767 B2 Signed Short 10 Range 3276 8 3276 7 B3 Signed Short 100 Range 327 68 327 67 Most languages will cast from one type to another Values to write i...

Страница 51: ...Advanced Register Configuration D Alarm Configuration 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 A4 A4 A4 A4 A3 A3 A3 A3 A2 A2 A2 A2 A1 A1 A1 A1 Alarm1 Parameter A1 0000 Dew point O2 0001 Pressure Tempera...

Страница 52: ...ure 0010 ppmW 0011 ppmV Ideal 0100 ppmV Nat Gas 0101 mgm3 0110 lbmmscf Output3 Parameter O3 0000 Dew point O2 0001 Pressure Temperature 0010 ppmW 0011 ppmV Ideal 0100 ppmV Nat Gas 0101 mgm3 0110 lbmms...

Страница 53: ...8 Oct 3 ene 9 Ethylbenzene 10 Dimethylbenzene 11 Ethane 12 Methylcyclohexane 13 Butylbenzene 14 Prop 1 ene 15 But 1 ene 16 Methane 17 2 Methylbutane 18 USER1 19 USER2 Register Configuration H Instrume...

Страница 54: ...fig AL1 Moisture low 0 0 high 100 0 AL2 Moisture low 0 0 high 10 0 AL3 FAULT low high 0 0 AL4 FAULT low high 0 0 Input scales Dp 100 20 0 Temp 0 0 to 50 0 Output config OP1 Dp 100 0 20 0 OP2 Temperatu...

Страница 55: ...Liquidew I S User Manual Michell Instruments 47 APPENDIX C Appendix C Hazardous Area Certification...

Страница 56: ...d Class I ZONE 1 Hazardous Locations and has been assessed as being so by QPS C 1 Product Standards This product conforms to the Standards BS EN60079 0 2012 A11 2013 CSA C22 2 No 60079 0 19 BS EN60079...

Страница 57: ...ust not be rubbed with a dry cloth or cleaned with solvents 3 The Easidew PRO I S Dew Point Transmitter does not withstand the 500 V AC insulation test to frame This must be taken into account when in...

Страница 58: ...Liquidew I S User Manual 50 97092 Issue 6 July 2022 APPENDIX D Appendix D System Drawings...

Страница 59: ...SIGNAL WIRES WITH THE EASIDEW DISCONNECTED MUST BE ABLE TO WITHSTAND A 500V AC INSULATION TEST AT INSTALLATION OF SYSTEM PERFORM A RISK ASSESSMENT IN ACCORDANCE WITH EN60079 25 2004 cl 10 AND INSTALL...

Страница 60: ...RATIO F mH H ohm THE ISOLATION OF THE SIGNAL WIRES WITH THE EASIDEW DISCONNECTED MUST BE ABLE TO WITHSTAND A 500V AC INSULATION TEST 46 nF 613 nF 2 11 F 54 H 217 H 435 H THE INSTALLATION MUST COMPLY...

Страница 61: ...Liquidew I S User Manual Michell Instruments 53 APPENDIX E Appendix E Quality Recycling Warranty Information...

Страница 62: ...tion can be found on our website at www michell com compliance This page contains information on the following directives Anti Facilitation of Tax Evasion Policy ATEX Directive Calibration Facilities...

Страница 63: ...Liquidew I S User Manual Michell Instruments 55 APPENDIX F Appendix F Return Document Decontamination Declaration...

Страница 64: ...ls 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 Your meth...

Страница 65: ...Liquidew I S User Manual Michell Instruments 57 NOTES...

Страница 66: ...http www michell com www ProcessSensing com...

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