DewPro® MMR101 - GE Measurement & Control
Contents
1. Figure 2 6 Connection with External Power Supply and Display 2 10 Installing the MR101 Chapter 3 Operating the MMR101 Introduction sans nes a 3 1 Powerlrig Up ss A a d T LA Re uen 3 1 Displaying Measurements 3 2 Description of Matrix Options 3 5 Error Codes and Messages 3 10 Measurement Accuracy ss 3 11 November 2005 Introduction Powering Up This section gives a brief description of the MMR101 operation including powering up and displaying measurements This section includes the following Powering Up Displaying Measurements Measurement Accuracy Use these instructions to properly operate the MMR101 Caution To ensure the safe operation of this unit you must install and operate the MMR101 as described in this manual In addition be sure to follow all applicable safety codes and regulations for installing electrical equipment in your area Caution Before powering up make sure that all equipment in proximity to the unit e g valve pumps etc is functioning properly The MMR101 has a power supply that accepts 12 to 28 VDC 24 VDC nominal After making electrical connections including grounding as described in the previous section Install2. Parameter Specification EMI RFI Protection Meets IEC 61326 Performance Criterion A Conducted Emission Test as per CISPR 11 Class A 2004 Radiated Emission Test as per CISPR 11 Class A 2004 Radiated Susceptibility Test as per IEC 61000 4 3 2002 Electrostatic Discharge Test as per IEC 61000 4 2 2001 Electrical Fast Transient Test as per IEC 61000 4 4 2004 High Energy Surge Immunity Test as per IEC 61000 4 5 2001 Power Frequency Magnetic Field Test as per IEC 61000 4 8 2001 Optional Certifications Approvals FMIS Class I IL III Division 1 Groups A B C D E F amp G T4 e FM XP IS Class I Division 1 Groups A B C amp D T5 e FM NI Class I Division 2 Groups A B C amp D T4A DIP Class IL III Division 1 Groups E F amp G T4 e ATEX II 3G EEx nA IC T4 6 2 Specifications DECLARATION Sensing OF CONFORMITY We GE Industrial Sensing 1100 Technology Park Drive Billerica MA 01821 USA declare under our sole responsibility that the DewPro MMR30 Moisture Transmitter Probe DewPro MMR31 Moisture Analyzer DewPro MMY30 and MMY31 Dew Point Transmitters DewPro MMR101 High Temperature Moisture Transmitter to which this declaration relates are in conformity with the following standards EN 61326 1997 A1 A2 following the provisions of the 89 336 EEC EMC Directive The units listed above and any sensors and ancillary sample handling systems suppli
3. Use the steps below to make electrical connections to the instrument Caution Make sure that the voltage between the and terminals lies between 12 and 28 V DC 1 Unscrew the lateral connection cover and remove from the housing 2 Loosen the lateral cable gland Note f you are using a cable conduit remove the cable gland and replace with the corresponding M20 V NPT adapter 3 Feed the cable through the cable opening Use a shielded 4 wire cable with an outside diameter of 5 mm or greater 4 Make connection to the terminal block as shown in Figure 2 3 on the next page Connect the cable as follows Table 2 2 Cable Connections Position Signal 1 Temperature Temperature Moisture 2 3 4 Moisture 5 External Earth Ground 6 Internal Earth Ground Note The moisture signal output must always be connected connecting the temperature signal output is optional If the signal output for temperature is not needed the corresponding terminals should not be used Installing the MR101 November 2005 Preparation cont 5 In order to meet EMI RFI immunity a 2 or 4 wire shielded cable with a common foil shield layer is being used to power the MMRI101 Removing the insulation by 3 allows the user to pull back the foil clamping it in between the metal cable gland The ground wire must be connected to the internal grounding screw This way the MMR101 meets
4. EMC requirements according to IEC 61326 Criterion A see details under Specifications on page 6 1 6 Tighten the cable gland to assure protection type IP 67 and to provide strain relief for the cable wees 174665 CIN gj 999 006 1 3 56 Figure 2 3 Terminal Block Connections The DewPro provides various options for making electrical connections Use the appropriate section that follows to make electrical connections Installing the MR101 2 7 November 2005 EEE System Configuration Use the figure below to make moisture and temperature connections with One or Two 24 VDC _ using one or two 24 VDC power supplies Power Supplies GND dee 000000 O nn Er dde cues ES Kara Nager None 2 CD GND Temp Moisture Figure 2 4 Connection with One or Two 24 VDC Power Supply Connection 1 above shows a two wire line with power supply and moisture signal output must always be connected Connection 2 shows a galvanically separated signal output for process temperature that can be connected to the same or separate power source 2 8 Installing the MR101 November 2005 System Configuration When making electrical connection for power and the display you with One 24 VDC Pow
5. M General Information 1 3 November 2005 Mode of Operation The MMR101 measures the relative humidity and the temperature of the process The sensor tube is designed for direct measurement in the process in line measurement The relative humidity is measured using the capacitive measuring principle The moisture sensor consists of a capacitor with two electrodes The dielectric constant of an organic dielectric located between the electrodes changes with relative humidity The capacitance determined is converted to a frequency by the microprocessor This moisture signal is compared to a calibration table permanently stored in the instrument The relative humidity in the process is determined based on this signal A Pt 1000 sensor is used to measure the process temperature The process temperature is available to the user via a second 4 to 20 mA output It is also used for moisture measurement temperature compensation All the moisture units provided by the instrument are determined from relative humidity and temperature 1 4 General Information Chapter 2 Installing the MR101 Introduction usa ea a 2 1 Manually Setting the Measurement Units 2 1 Choosing a Mounting Location 2 3 Mounting the Unit as ee ee 2 4 Making Electrical Connections 2 6 November 2005 Introduction Installing the MR101 consists of finding a suitable in
6. V1 H7 P RA V1 H8 g m 20 mA default 1000 V1 H9 g kg dry air 4 mA default 0 g Kg dry air 20 mA default 1000 V2 HO by volume 4 mA default O V2 H1 by volume 20 mA default 100 V2 H2 C wet bulb temp 4 mA default 40 V2 H3 C wet bulb temp 20 mA default 150 V2H4 F wet bulb temp 4 mA default 40 MAHD F wet bulb temp 20 mA default 300 Constant pressure adjustment V3 HO This function can be used to enter a value for the process pressure in mm Hg column This value is only needed to compute the mixing ratio in g kg Default 760 Adjustment of current output 1 V3 H8 Adjustment of the 4 to 20 mA hardware settings for the moisture output This V3 H9 output is pre adjusted by the factory and normally does not need readjustment To check the setting connect a current measuring instrument in series with circuit 1 see chapter 2 The output signal in position V3 H8 is automatically switched to the 4 mA setting and V3 H9 is automatically switched to the 20 mA setting The and keys can be used for fine adjustment Move on to any other matrix field to return the current value measured Operating the MMR101 3 7 November 2005 Temperature Measurement Options Table 3 3 Temperature Measurement Options Location of Matrix Description of Function Current V4 HO Displays the temperature measured The bar graph shows the output value for the programmed output
7. V7 H9 is automatically switched to the 20 mA setting The and keys can be used for fine adjustment Move on to any other matrix field to return the output signal to reflect current measured values Default On instruments not equipped with display based on order code Operating the MMR101 3 9 November 2005 A A u uQaQ o E E Error Codes and The MMR101 has a series of error codes and messages that appear on Messages the display to indicate certain conditions Note Fields that display data cannot be modified Fields that can be modified have a flashing digit Table 3 4 Error Codes and Messages Location of Matrix Description of Function If this appears in the matrix field it indicates that the matrix position is assigned V9 HO Displays the current error code If no error code is active dashes are displayed in this matrix position If several errors exist the error codes are displayed using the following priority Error Code Error Status 401 Moisture sensor error 201 Relative humidity outside upper measuring range 202 Relative humidity outside lower measuring range 203 Temperature outside upper measuring range 204 Temperature outside lower measuring range 205 RH loop span too large 206 RH loop span too small 207 Temperature loop span too large 208 Temperature loop span too small 3 10 Operating the MMR101
8. ing nieur de fil CE CERT DOC H3 August 2004 Sensing KONFORMITATS ERKLARUNG Wir GE Industrial Sensing 1100 Technology Park Drive Billerica MA 01821 USA erkl ren in alleiniger Verantwortung da die Produkte DewPro MMR30 Moisture Transmitter Probe DewPro MMR31 Moisture Analyzer DewPro MMY30 and MMY31 Dew Point Transmitters DewPro MMR101 High Temperature Moisture Transmitter folgende Normen erfullen EN 61326 1997 A1 A2 gem den Europ ischen Richtlinien EMV Richtlinie Nr 89 336 EG Die oben aufgef hrten Ger te und zugeh rige mitgelieferte Sensoren und Handhabungssysteme tragen keine CE Kennzeichnung gem der Druckger te Richtlinie da sie in bereinstimmung mit Artikel 3 Absatz 3 gute Ingenieurpraxis der Druckger te Richtlinie 97 23 EG f r DN 25 geliefert werden fi A P nnt 16 September 2005 psu AuBtellungsdatum Hr Gary Kozinski Bescheinigung und Normen Leitungsingenieur CE CERT DOC H3 August 2004 USA 1100 Technology Park Drive Billerica MA 01821 4111 Web www gesensing com Ireland Shannon Industrial Estate Shannon County Clare Ireland
9. range as a percentage Selection of unit V4 H1 Unit of measure to be used to display the temperature in matrix field V4 HO Options available for selection 0 C 1 F Adjustment of temperature range of 4 to 20 mA output circuit 2 V4H5 V4H6 Unit value of measure to be used for the 4 to 20 mA temperature output The value range for both positions lies between 0 and 150 The output range is always specified in C independent of the display unit selected Default 0 V5 H5 150 V4 H6 V4H7 Loop 2 at fault Status of current output 2 when an error has occurred in the temperature measuring circuit Options available for selection 0 110 22mA 1 10 3 6 mA 2 hold at previous level Default on instruments equipped with display 0 on instruments not equipped with display selected by order code 3 8 Operating the MMR101 November 2005 eens ET Temperature Measurement Options cont Table 3 3 Temperature Measurement Options cont Location of Matrix Description of Function Adjustments of current output 2 V7 H8 Adjustment of 4 to 20 mA hardware settings for the temperature output This V7 H9 output is pre adjusted by the factory and normally does not need readjustment To check the setting connect a current measuring instrument in series with circuit 2 The output signal in position V7 H8 is automatically switched to the 4 mA setting and
10. 0 F Ronge Electronics 40 C to 85 C 40 F to 185 F Maximum Operating 150 psi 10 2 bar Pressure Electronics Microcontroller operated loop powered Loop Power Supply 24 VDC nominal 12 to 28 VDC range Outputs Two fully isolated 4 to 20 mA current loops moisture and tempera ture patented U S patent 5 677 476 Hardware Selectable Units 0 to 100 RH 40 C to 100 C or 40 F to 212 F dew point up to 300 F or 150 C under system pressure O to 1000 g m absolute humidity and 0 to 1000 g kg mixing ratio dry air 0 to 100 by vol ume 40 C to 100 C or 40 F to 212 F wet bulb temperature Standard Temperature C to 150 C 32 F to 300 F range Output Display Four digit number display with bar graph and matrix position indica tion Four user interface keys for unit selections output adjustments and ranging Protection Type 4X IP67 Probe Tube 16 in 406 mm Probe 316 stainless steel 0 5 in diameter Adjust able insertion length from 3 in 76 mm to 14 25 in 362 mm 9 in 228 mm Probe 3 in 76 mm to 7 25 in 184 mm Typical Mounting Adapter 1 2 in tube x 1 2 in NPT M or G1 2 compression fitting flanges and other sizes available upon request Sensor Guard 40 micron sintered filter 316 stainless steel cap Weight 4 4 lbs 2 kg Specifications 6 1 November 2005 nz J Manr
11. Check that the delivery is complete and agrees with the shipping documents of your order refer to nameplate for type and variant The delivery comprises DewPro MMRIOI User s Manual Depending on your order process connection and display Calibration certificate If you have any questions consult your supplier or the GE Sensing sales agency in your area see back cover of these operating instructions for addresses You should strictly adhere to the notes and warnings in this manual Operating this instrument in any way other than as described in this manual may compromise the safety and function of the measuring instrument Troubleshooting should only be performed by authorized and trained personnel To prevent accidental startup remove the unit from service if you cannot remedy faults Damaged equipment should be clearly identified as such to prevent danger Repair work must be performed by authorized GE Sensing Service Personnel General Information 1 1 November 2005 Order Code You can identify the various options for your unit by order code on the nameplate of the instrument GE Infrastructure Sensing 1100 Technology Park Dr Billerica MA 01821 USA Model S N O Supply Range Pressure Rating Figure 1 1 Nameplate Moisture Sensor DewPro MMR101 Certification Approvals R Standard not certified A F
12. GE Sensing DewPro MMR101 High Temperature Moisture Transmitter with Two Current Loops User s Manual GE Sensing DewPro MMR101 High Temperature Moisture Transmitter User s Manual A40251516B November 2005 The DewPro MMR101 Transmitter is a GE General Eastern product GE General Eastern has joined other GE high technology sensing businesses under a new name GE Sensing November 2005 Warranty Return Policy Each instrument manufactured by GE Sensing Inc is warranted to be free from defects in material and workmanship Liability under this warranty is limited to restoring the instrument to normal operation or replacing the instrument at the sole discretion of GE Sensing Inc Fuses and batteries are specifically excluded from any liability This warranty is effective from the date of delivery to the original purchaser If GE Sensing Inc determines that the equipment was defective the warranty period is one year for general electronic failures of the instrument one year for mechanical failures of the sensor If GE Sensing Inc determines that the equipment was damaged by misuse improper installation the use of unauthorized replacement parts or operating conditions outside the guidelines specified by GE Sensing Inc the repairs are not covered under this warranty The warranties set forth herein are exclusive and are in lieu of all other warranties whether statutory express or impl
13. MIS Class I IL HI Division 1 Groups A G T4 B FM XP IS Class I Division 1 Groups A D T5 C FM NI Class Division 2 Groups A D T4 DIP Class IL III Division 1 Groups E G T4 ATEX II 3G EEx nA IIC T4 S Other n Process Connection 3 1 2 NPT M compression fitting 8 G 72 compression fitting 6 No mounting hardware 2 3 NPT M compression fitting 4 34 x 16 0 ring seal compression fitting UNF thread S Other Moisture output units Relative Humidity C Dew Point F Dew Point g m g kg by volume C Wet bulb Temperature F Wet bulb Temperature NA lt X OO TAD Special Version 1 2 General Information November 2005 GE ORoROQOQOo oooO et Display 1 With Display User Interface w o Display current at error 22 mA w o Display current at error hold 2 3 4 w o Display current at error 3 6 mA S Special Version Probe Length A 16 406 mm long B 9 229 mm long S Special Version MMRIOIR R 3 c 2 B example of order code Instrument Components The DewPro MMRIOI consists of the following components electronics module in industrial IP 67 type 4X enclosure e 1 2 stainless steel sensor tube Compression fitting G 1 2 or 1 2 NPT thread e Sensor capacitive polymer sensor for moisture measurement Pt 1000 for temperature measurement Protective filter made of sintered stainless steel with a porosity of 40 pm Conduit adapter M20 to 1 2 NPT
14. November 2005 Measurement Accuracy The sensor measures relative humidity and temperature Other moisture units are derived from these live measurements The accuracy of the instrument is specified as a percentage of relative humidity Inaccuracy is a result of the temperature dependence of relative humidity This dependence is due to physical properties and is independent of the measuring apparatus The influence of temperature fluctuation should be taken into account for relative humidity as well as the derived moisture units Table 3 5 below shows the influence of temperature fluctuations of 1 C on relative humidity Table 3 5 Change in Relative Humidity as a Function of the Temperature Temperature RH 10 C 20 C 30 C 40 C 50 C 10 40 7 0 6 0 5 0 5 0 5 50 3 590 332 3 0 2 6 E 2 396 90 6 3 5 776 5 4 4 6 4 196 Note The temperature loop is 0 to 150 C 32 to 300 F Operating the MMR101 3 11 Chapter 4 Troubleshooting November 2005 Troubleshooting Failure Possible Cause Remedy Current signal out side 4 to 20 mA range The sensor circuit has measured a value which lies outside the calibration table range This may be caused by very dry process conditions current lt 4 mA or by condensation effects on the sensor current gt 20 mA Check the display diagram on instruments equi
15. aphtha If possible blow clean air oil and dust free through the filter to loosen dirt Note The instrument settings and calibration data are retained in the event of a power failure thanks to storage in non volatile memory 4 2 Troubleshooting Chapter 5 Maintenance Cleaning AAA ae nel Dow Calib tions rer eee didi pe RS ROPA Mineo ae many sae o E November 2005 a _ Q gt A Cleaning Particulate substances in the process gas may clog the protective filter This may impair the function of the sensor Remove the filter and clean with a strong halogen free solvent or by flushing with oil and dust free dry air In the case of processes with a high concentration of finely distributed particles additional filtering may be required to prevent clogging of the sintered protective filter Make sure that the filter does not contain any solvent residue before screwing 1t back onto the sensor The sensor element must always be handled very carefully If soiled 1t may be briefly swished in a solvent pure hexing toluene or acetone After cleaning the sensor with solvent allow sufficient time for it to dry before reinstalling it Calibration Factory Calibration Fifty five calibration values covering the entire measuring range are determined at the factory NIST certified reference instruments are used for calibration NIST National Institute for Standardization Technology The calib
16. e e trt ec win 3 10 Meas rement Accufdel u prises nue ea real 3 11 Chapter 4 Troubleshooting MOUSSE RE este lag 4 1 Chapter 5 Maintenance Gledtinges san es ne eri pesas ur Cum ea ler 5 1 E A de a EE 5 1 Repairs agosa ar ER RR Ener ee LEER ad ale dls asthe ds QUSS ELA pts 5 1 Chapter 6 Specifications SDECIIC OL OMS rima io util curd secs tom E d Cire nn eats tu ca REN 6 1 vi Chapter 1 General Information Introd ction ss en a 1 1 UNDOCKING c ours ru ET aa PU s dux aoe dut odes wea 1 1 Safety NOTES o scd eot t poss vu eh 1 1 Order Code Se oe Face ee e C XE ea Un Ned EEEE 1 2 Instrument Components 1 3 Mode of Operation ey as ayer ree ra sen 1 4 November 2005 Introduction Unpacking Safety Notes The MMRI101 is a moisture and temperature transmitter featuring two patented isolated 4 to 20 mA current loops The measuring range lies between 0 to 100 relative humidity at temperatures of up to 150 C 300 F This transmitter has been designed for use in low and high temperature ranges such as chemical processes textile production and the glass cement and steel industries This instrument can be used in pressurized and not pressurized systems with pressures of up to 10 bar Inspect for any damaged packaging and contents The post office or freight carrier must be informed of any damage Damaged merchandise must be retained until the matter has been settled
17. ed with them do not bear CE marking for the Pressure Equipment Directive as they are supplied in accordance with Article 3 Section 3 sound engineering practices and codes of good workmanship of the Pressure Equipment Directive 97 23 EC for DN 25 fi A ee nnt September 16 2005 a Date of Issue Mr Gary Kozinski Certification amp Standards Lead Engineer CE CERT DOC H3 August 2004 DECLARATION Sensing DE CONFORMITE Nous GE Industrial Sensing 1100 Technology Park Drive Billerica MA 01821 USA d clarons sous notre propre responsabilit que les DewPro MMR30 Moisture Transmitter Probe DewPro MMR31 Moisture Analyzer DewPro MMY30 and MMY31 Dew Point Transmitters DewPro MMR101 High Temperature Moisture Transmitter r latif cette d claration sont en conformit avec les documents suivants EN 61326 1997 A1 A2 suivant les r gles de la Directive de Compatibilit Electromagn tique 89 336 EEC Les mat riels list s ci dessus ainsi que les capteurs et les systemes d chantillonnages pouvant tre livr s avec ne portent pas le marquage CE de la directive des quipements sous pression car ils sont fournis en accord avec la directive 97 23 EC des quipements sous pression pour les DN 25 Article 5 section 3 qui concerne les pratiques et les codes de bonne fabrication pour l ing nierie du son A 4 pu nnt 16 septembre 2005 Date d mission Mr Gary Kozinski Certification et normes
18. er should adhere to the following guidelines Supply and Loop Powered Display The voltage between the and terminals must not drop below 12 V DC Every component connected to the loop causes a voltage drop To determine the supply voltage required add up the voltage drops of the components connected to the loop and add 12 V This sum is the required minimum voltage A safety margin of 2046 should added into the calculated For precision measurement make sure that both loops are connected to the power supply at the power supply do not use a jumper at the transmitter terminals Adapt the external display to the following measuring ranges based on the 4 to 20 mA current range e to 100 relative humidity 40 to 100 C dew point up to 150 C for pressurized systems 40 to 212 F dew point up to 300 F for pressurized systems to 1000 g m absolute humidity e Oto 1000 g kg mixing ratio e 0 to 100 by volume 40 to 212 F wet bulb temperature Use the Figure 2 5 below to make moisture and temperature connections using one or two 24 VDC power supplies Figure 2 5 Connection with One 24 VDC Power Supply Installing the MR101 2 9 November 2005 System Configuration Use Figure 2 6 below to make electrical connections for the external with External Power power supply and display Supply and Display 115 230 VAC 115 230 VAC
19. hapter 1 General Information ree a AAA RR A MOMENT ERRE E EE SRE SEE ERA 1 1 Ple 1 AAA II a alt ae ied 1 1 A NL oben ede oe ae I a a a tir ser 1 1 A te en p b ee nn me ns en cn s jd 1 2 NSTUMENECOMPONENAES ssar en dl ed te eos ae laca rd cio bee ea dl a ic 1 3 PEI seele 1 4 Chapter 2 Installing the MR101 a A Poe ETE 2 1 Manually Setting the Measurement Units 2 2 1 Choosing a Mounting LOCO e pee Core pee fin e meo el 2 3 Mounting e e eos tetur cibo Mari cort ab a ee al aa ER dal AO 2 4 Using a COMPEESION MU asc coe A ad 2 4 Usine aq BEOCKBE as cca es et 2 5 M king Electical CORB loris run sas ue em Dtm tv Det LE DO E 2 6 Pre 918 ROL Om AN TEST nd ne Me ETE 2 6 System Configuration with One or Two 24 VDC Power Supplies 2 8 System Configuration with One 24 VDC Power Supply and Loop Powered Display 2 9 System Configuration with External Power Supply and Display 2 10 November 2005 Table of Contents cont Chapter 3 Operating the MMR101 UPA A N MU SE e ENTM 3 1 POWERING UD ne da ra ara sand le RE REOR UOI EE de a 3 1 Displaying Measuremente ocasion vob P ess Career Neue 3 2 DESPUES v cs e tallo a rn ei a 3 5 System Administration QptigNS e a o ehe ae ee Ghat 3 5 Moisture Measurement OPA a 3 6 Temperature Measurement Options 3 8 Error CodeS and Mes o do a t
20. ied including warranties of merchantability and fitness for a particular purpose and warranties arising from course of dealing or usage or trade If a GE Sensing Inc instrument malfunctions within the warrantu period the following procedure must be completed 1 Notify GE Sensing Inc giving full details of the problem and provide the model number and serial number of the instrument If the nature of the problem indicates the need for factory service GE Sensing Inc will issue a RETURN AUTHORIZATION number RA and shipping instructions for the return of the instrument to a service center will be provided 2 If GE Sensing Inc instructs you to send your instrument to a service center it must be shipped prepaid to the authorized repair station indicated in the shipping instructions 3 Upon receipt GE Sensing Inc will evaluate the instrument to determine the cause of the malfunction Then one of the following courses of action will then be taken fthe damage is covered under the terms of the warranty the instrument will be repaired at no cost to the owner and returned f GESensing Inc determines that the damage is not covered under the terms of the warranty or if the warranty has expired an estimate for the cost of the repairs at standard rates will be provided Upon receipt of the owner s approval to proceed the instrument will be repaired and returned lii November 2005 Table of Contents C
21. ing the MR101 connect power Use the following section to display the desired data IMPORTANT 77e power line connection is the main disconnect device Operating the MMR101 3 1 November 2005 Displaying Measurements If your MR101 is supplied with a display you can display the desired measurements using the key located to the left and right of the display as shown in Figure 3 1 below Units without the display must be manually setup as described in Manually Setting the Measurement Units on page 2 1 DewPre Figure 3 1 Display and Keys The available measurements options are arranged in a matrix format Each option is assigned coordinates on the 10 by 10 matrix specified with V vertical H horizontal and a number for each You select the desired option by entering the matrix position The matrix on the next page shows all the possible options See below for an example of how to program the unit Example To set the dew point value to 5 C for 4 mA V1 H3 on matrix 1 Press the V key until the display shows V1 2 Press the H key until the display shows H3 3 Use the or key to change the numeric value to 5 4 Proceed to any part of the matrix See Description of Matrix Options on page 3 5 for a description of all the possible options Note You can return to position VO HO from any field by pressing the V and H keys simultaneously 3 2 Operati
22. me 6 C wet bulb temperature 7 F wet bulb temperature Default pre selected based on order code Sets the moisture range of the 4 to 20 mA output circuit 1 VO H2 Unit to be used for the 4 to 20 mA moisture output The same selections are available as in position VO H1 The display and current output units are selected independent of each other Options available see VO H1 Default pre selected based on order code Loop 1 at fault circuit 1 VO H7 Status of current output 1 according to error detection by the moisture sensor or measuring circuit Options available 0 110 22 mA 1 10 3 6 mA 2 hold at previous level Default on instruments equipped with display O on instruments not equipped with display selected by order code 3 6 Operating the MMR101 November 2005 Moisture Measurement Options cont Table 3 2 Moisture Measurement Options cont Location of Matrix Description of Function Display of frequency measured circuit 1 VO H8 Displays the current moisture frequency Adjustment of moisture range for 4 to 20 mA output circuit 1 V1 HO RH 4 mA default 0 VIHI RH 20 mA default 100 V1 H2 C dew point 4 mA default 40 V1H3 C dew point 20 mA default 100 VI H4 F dew point 4 mA default 40 MH F dew point 20 mA default 212 o m 4 mA default 0 g m 4 mA defau
23. mpression Fitting Caution Only trained personnel should install and operate this unit Be sure to follow all applicable national electrical codes and safety codes when installing this unit especially for units installed in hazardous classified locations IS or XP You can mount the MMR101 using a Compression Fitting when installing into a pipe or container Bracket when measuring trace humidity in ambient air Use the appropriate section that follows to select a mounting location and properly install and mount the MMR101 Caution If you are installing the DewPro into a pressurized system up to 10 bar depressurize the system before installing or removing the sensor Pressurized systems require a stainless steel compression fitting If you are installing the DewPro into a pressurized system mount it after the shut off valve and then depressurize the pipe container The MMRIOI is supplied with a stainless steel compression fitting with a stainless steel ferrule If you are supplying a fitting it should be a stainless steel compression fitting with the following For insertion into pressurized systems the fitting should have a 1 471 stainless steel ferrule For un pressurized systems the fitting only needs a nylon ferrule however a stainless steel ferrule can be used Adjust the compression fitting to obtain a minimum sensor immersion depth of 3 in 75 mm Insert the sensor into the
24. ng the MMR101 November 2005 MMR101 HO H1 H2 H3 H4 H5 H6 H7 H8 H9 Display Select Select Loop 1at Display Moisture Display Unit Output Unit Fault Moisture VO Value 0 110 Freq 1 10 2 Hold RH RH Dew point Dew point Dew point Dew point g m g m g kg g kg vi 4 mA 20 mA o o o o 4 mA 4 mA m m C4mA C4mA F 4 mA F 4 mA 4 mA 20 mA m m v2 Volume Volume CWet bulb C Wet bulb F Wet bulb F Wet bulb 4 mA 20 mA 4 mA 20 mA 4 mA 20 mA Pressure Output 1 Output 1 V3 Constant in D A Cal D A Cal mmHg 4 mA 20 mA Display Select Temp 4mA Temp 20 Loop 1 at Temp Value Display Unit mA Fault Va 0 C 0 110 _0 1 10 AN 2 Hold V5 V6 Output 2 Output 2 V7 D A Cal D A Cal 4 mA 20 mA Input V8 Locking 50 unlock Display Software System V9 present Version Reset Error Code 50 Reset Matrix Moisture Units 0 Relative Humidity 3 g m 6 C wet bulb temp 1 Dew Point C 4 g kg 7 F wet bulb temp 2 Dew Point F 5 by vol Operating the MMR101 3 3 November 2005 _ E _OOoopoQoQo _ A Description of Matrix The options available can be divided up into the following groups Options system administration moisture measurement temperature measurement error codes messages Use the tables below for a description of each option and the corresponding matrix coordinates System Administration Option
25. pipe container into the mating connector Ideally the sensor tip should be positioned in the center of the pipe Caution When inserting the sensor into the pipe container make sure it does not touch the inside wall of the pipe container Hand tighten the nut Using a wrench tighten the nut 1 turns When tightened properly the fitting can withstand the specified maximum pressure 2 4 Installing the MR101 November 2005 Using a Bracket When measuring ambient air the MMR101 can be mounted directly on a wall panel or pipe using an optional mounting kit Mounting kits can be ordered from the factory Use Figure 2 2 below to properly install your unit in the desired configuration Panel Mounting 4 45 in 4 45 in Vertical Pipe Mounting 113 mm 113 mm ND 6 50 in 165 mm 70 mm 4 45 in 113 mm Horizontal Pipe Mounting Horizontal Pipe Mounting Figure 2 2 Mounting Kit Configurations Installing the MR101 2 5 November 2005 Making Electrical Connections Preparation The DewPro MMR101 is a loop powered moisture and temperature transmitter for two or four wire connection being supplied via the signal line moisture signal The first circuit transmits the moisture unit selected the second the process temperature The DewPro can be optionally supplied from a common or two separate power sources 12 28 V DC Additional power supply connections are not required
26. pped with the optional display module If the signal arrows on either side are lit or error code 201 or 202 is displayed in pos V9 HO this means that the measuring range has been exceeded Remove the sensor from the process and expose it to ambient air or another air source with a relative humidity between 10 and 90 Contact GE Sensing if the measured value does not return to the 10 to 90 range The dew point or another operand is outside the permissible range All operands are limited by specific output ranges The signal arrows on the display module only light up when the relative humidity lies outside the calibration range The computed quantity e g for the dew point may be outside the operating range for several combinations of temperature and relative humidity Operation outside these ranges does not damage the instrument Troubleshooting 4 1 November 2005 A mr Failure Possible Cause Remedy No power Incorrect instrument Check the voltage and connection polarity at the and connection terminals The voltage should be between 12 and 28 VDC Contact GE Sensing if there is no current flow even though the voltage and polarity are correct Instru The protective filter is Remove the instrument ment soiled from the process Unscrew response the protective filter and too slow clean it with a solvent e g hexing cleaner s n
27. ration certificate supplied with the sensor confirms that the sensor matches the reference values Recalibrations Just like moisture measurement the recalibration cycle greatly depends on the operating conditions contamination aggressive media etc and sensor stress Under normal process conditions the sensor check recalibration should be performed after one to two years This cycle may be longer or shorter depending on operating conditions and accuracy requirements Field Validation The user can perform a sensor check in the field This validation takes place at room temperature approx 25 C using saturated salt solutions It is intended as a decision aid in determining whether or not recalibration or sensor replacement is required This check should be performed using an GE Sensing test unit with saturated salt solutions of 11 3 and 75 4 relative humidity that can be ordered from the factory Repairs Repairs must be carried out directly by the manufacturer or by the GE Sensing Service Engineer Maintenance 5 1 Chapter 6 Specifications November 2005 ee Specifications Parameter Specification Sensing Element Polymer capacitance RH Range 0 to 100 RH Accuracy 2 up 65 C 150 F process temperature Temperature Sensor Platinum RTD Temperature Accuracy 1 1 C 2 F Temperature Resolution 0 05 C 0 09 F Operating Temperature process 0 C to 150 C 32 F to 30
28. s m Table 3 1 System Administration Options Location of Matrix Description of Function Unlock Lock the Matrix V8 H9 Unlocks and locks the matrix functions When the matrix is locked the V and H keys continue to be functional but the and keys are disabled This prevents unauthorized changes to the user functions Entering the value 50 unlocks the matrix Entering any other value locks the matrix Default 0 System Reset V9 H9 Resets the instrument settings similar to switching the instrument off and back on again No instrument settings are changed Entering a value of 50 in this position initiates the reset which is performed after approx 5 seconds Normal operation in matrix position VH 00 is resumed after the reset Default 0 Software Version V9 H3 Displays the software version installed in the instrument Operating the MMR101 3 5 November 2005 Moisture Measurement Options Table 3 2 Moisture Measurement Options Location of Matrix Description of Function Measured Values Display VO HO Displays the measured process humidity value The bar graph shows the output value for the programmed output range as a percentage Selection of the Unit VO HI Unit to be used to display the moisture value in matrix field VO HO Options available 0 relative humidity 1 C dew point 2 F dew point 3 g m 4 g kg 5 of volu
29. stallation location mounting the unit and then making the necessary wiring connections However if your unit does not have a display you should make sure the moisture units have been configured Use the following sections to properly install you unit Selecting the Measurement Units below Choosing a Mounting Location on page 2 3 Mounting the Unit on page 2 4 Making Electrical Connections on page 2 5 Manually Setting the If your MMR101 is not equipped with a display your unit will Measurement Units already be configured for the measurement units you specified at the time of ordering Use the steps below to select different units or verify the units is setup as specified Note The sensor measures relative humidity and temperature Other moisture units are derived from these live measurements The temperature loop is 0 to 150 C 32 to 300 F and is not selectable See Measurement Accuracy on page 3 11 for more details on accuracy Use the steps below to reset the desired measurement units Caution If your instrument is connected to power disconnect it before performing the following procedure 1 If your unit is already installed disconnect it from the power supply 2 Remove the housing cover opposite to the terminal side Remove This Cover LT Installing the MR101 2 1 November 2005 A A 2 o o i tm Manually Setting the 3 Locate the four DIP switches on the printed circui
30. t board Measurement Units cont DIP Switches enlarged 4 Use a pointed object e g a screwdriver and set switches 1 3 according to the desired output unit see Table 2 1 below Switch No 4 has no effect Table 2 1 DIP Switch Positions for Unit Selection Switch No Unit 1 2 3 4 Relative Humidity On On On Dew Point C Off On On 5 Dew Point F On Off On Absolute humidity g m Off Off On Mixing ratio g kg On On Off E Volume Off On Off Wet bulb temperature C On Off Off Wet bulb temperature F Off Off Off 2 2 Installing the MR101 November 2005 EE e nn m Choosing a Mounting Choose a mounting location that allows enough clearance for Location installation and convenient access during normal operation Refer to Figure 2 1 below M20 or 1 2 NPT cable connections for DC power supply rs if Microprocessor electronics in IP67 enclosure 40m sintered Stainless steel fliter 40m 12 7 sintered stainless steel Left MMR101 Assembly 9 Probe integrated display user interface fliter Right MMR101 Assembly 16 Probe without integrated display user interface Figure 2 1 Dimension Drawing Installing the MR101 2 3 November 2005 Mounting the Unit Using a Co
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