(E/P) Transmitter - Moore Industries International
Contents
1. moore INDUSTRIES E DX Explosion Proof Voltage to Pressure E P Transmitter 5 gt I lt a Lu m ion Explos EPX All product names are registered trademarks of their respective companies Table of Contents RP Dim TT Specifications Calibrati NM ner er HEROUM RES Necessary RN TOES Prepanng tor CalibratiOi sesers nnee o Calibration Process Lsresecusas une EM Un Eel abi atu epus M chra den Mun FeUM Fe su Uu io Le ese ETE a E HEP liic e Phase Ones NODE 5 Phase Two Electrical Connections ua cukedes auod Qe ma qe Eu abeo de ata hab r pcs Qa0 Phase Three Pneumatic Operation ee Locllgit Ipr itis MenmebRR Troubleshooting the EPX oom EON DUE luco oU DUM ORIS 10 CUSTOMER Servite addaa OPER EDU sakai 10 Introduction This is the user s manual for the Moore Industries Voltage to Pressure Transmitter EPX2. eter provides a control range for offsets of 10 of rated unit span while the span potentiometer adjusts unit full scale output to 100 percent of rated span Table 1 EPX Calibration Equipment Description Adjustable voltage source 0 10 Volts To adjust the potentiometer move its wiper from one Voltage Power Source 8 30Vdc extreme to the other clockwise for maximum or counterclockwise for minimum values Each is equipped with a slip clutch to prevent damage if the adjustment is turned beyond the wiper stop DC Multimeter Accurate to 0 05 Instrument air supply Filtered Air pressure gauge 1 Accurate to 2 Air pressure gauge 2 Accurate to 0 1 Volume of 7 5 cubic inches approximately 120 milliliters Pneumatic load Figure 1 EPX Hook Up Diagram WITHOUT WITH NG1 OR NG2 OPTION NG1 OR NG2 OPTION RED 9 30VDC 9 30VDC POWER POWER SUPPLY SUPPLY gt BLACK JN WHITE VOLTAGE VOLTAGE INPUT INPUT SIGNAL SIGNAL IN T NOTE DCC and IN ARE COMMON CONNECTED INTERNALLY 4 The Interface Solution Experts Note Always use clean instrument air when calibrating or operating the EPX All pneumatic lines used in calibration and operation must be purged prior to connection to the unit Any condensation or oil residue in the lines if introduced into the pneumatic chambers of the unit may result in poor unit performance Calibration Process To perform the recommended bench ch
3. It contains all of the information that is needed to calibrate install operate maintain and troubleshoot the instrument The following guidelines are used in this manual WARNING Hazardous procedure or condition that could injure the operator Caution Hazardous procedure or condition that could damage or destroy the unit Note Information that is helpful for a procedure condition or operation of the unit Specifications Performance Accuracy lt 0 25 of Performance NG2 Options Same EPX Explosion Proof Voltage to Pressure E P Transmitter EPX The rugged EPX Voltage to Pressure E P Transmit ters are designed specifically for extended duty in harsh field environments The extruded aluminum housing of the EPX is explosion proof and waterproof making it perfect for most any location This 3 wire auxiliary powered transmitter converts a voltage signal to a pneumatic actuator valve or damper drive This instrument accepts a 3 wire 1 5Vdc 20 100kPA etc input Units are available with an optional coalescing filter regulator that combines an air filter and miniature supply line regulator with a pressure gauge that reads in both psi and bars span including the combined effect of linearity hysteresis and repeatability between 0 and 3psig output error will not exceed 1 0 of span Input 1 5 Volts Voltage Input Impedence 1 Mohm Output 3 15psig 0 30psig 6 30psig Stability N
4. on the back cover of this manual If a problem is suspected with the EPX review the following steps 1 Verify that bench instruments used to take measurements have the proper range and accuracy and are within current certification period limits 2 lfachangein the relationship between the input and output is detected attempt a re calibration of the unit 3 Ifthe response time lengthens or if the span drops check the system for a blockage due to air supply contamination The complete valve assembly can be removed from the housing for replacement without disturbing the connec tions to the housing Contact customer service for details 10 The Interface Solution Experts Customer Service If service assistance is ever required for your EPX refer to the back cover of this manual for the telephone numbers to Moore Industries STAR Center customer service department If possible make a note of the model number of the offending module before calling For the fastest assistance try to gather information on the unit s serial number and the job and purchase order number under which it was shipped RETURN PROCEDURES To return equipment to Moore Industries for repair follow these four steps 1 Call Moore Industries and request a Returned Material Authorization RMA number Warranty Repair If you are unsure if your unit is still under warranty we can use the unit s serial number to verify the warranty status f
5. safety earth ground before making any other connections All input signals to and output signals from Moore Industries products should be wired using a shielded twisted pair technique Shields are to be connected to an earth or safety ground at the unit itself Ground only one end of the shield The maximum length of unshielded input and output signal wiring should be 2 inches Power Sourcing Parameters for General Locations Intrinsically Safe and Non Incendive Type N applications In accordance with IEC 1010 1 Annexes F 2 1 and H all models or any equivalent international standard the input terminals must be connected to and or supplied from a certified energy limiting Class 2 or a Separated Extra Low Voltage S E L V power supply separated from all mains by double reinforced insulation The Interface Solution Experts 7 EPX Explosion Proof Voltage to Pressure E P Transmitter Phase Three Pneumatic Connections To complete the final phase of installation connect the supply line to the 14 inch NPT female port labeled IN Connect the output line to the 14 inch NPT female port labeled OUT All tubing must have at least 6mm 14 inch inside diameter or the maximum flow will be limited Note Seal all fittings with Teflon tape or equivalent Always purge all tubing and the controlled device before connecting the 2 Manual Override Screw If you are in a potentially explosive environme
6. EASONABLY HAVE DISCOVERED THE ALLEGED DEFECT OR BREACH RETURN POLICY For a period of thirty six 36 months from the date of shipment and under normal conditions of use and service Moore Industries The Company will at its option replace repair or refund the purchase price for any of its manu factured products found upon return to the Company transportation charges prepaid and otherwise in accordance with the return procedures established by The Company to be defective in material or workmanship This policy extends to the original Buyer only and not to Buyer s customers or the users of Buyer s products unless Buyer is an engineering contractor in which case the policy shall extend to Buyer s immediate customer only This policy shall not apply if the product has been subject to alteration misuse accident ne glect or improper application installation or operation THE COMPANY SHALL IN NO EVENT BE LIABLE FOR ANY INCIDENTAL OR CONSE QUENTIAL DAMAGES WORLDWIDE Www miinet com China sales mooreind sh cn Tel 86 21 62491499 FAX 86 21 62490635 United Kingdom sales 9 mooreind com Tel 01293 514488 FAX 01293 536852 United States info miinet com 11 moore Tel 818 894 71 11 FAX 81 8 891 2816 INDUSTRIES 8536 7200 Fax 02 9505 7296 2005 Moore Industries International Inc Belgium info 9 mooreind be Tel 03 448 10 18 FAX 03 440 17 97 The Netherlands sales mooreind nl T
7. LD BY THE COMPANY THE COMPANY DISCLAIMS ALL WARRAN TIES ARISING FROM ANY COURSE OF DEALING OR TRADE USAGE AND ANY BUYER OF GOODS OR SERVICES FROM THE COMPANY ACKNOWL EDGES THAT THERE ARE NO WARRANTIES IMPLIED BY CUSTOM OR USAGE IN THE TRADE OF THE BUYER AND OF THE COMPANY AND THAT ANY PRIOR DEALINGS OF THE BUYER WITH THE COMPANY DO NOT IM PLY THAT THE COMPANY WARRANTS THE GOODS OR SERVICES IN ANY WAY ANY BUYER OF GOODS OR SERVICES FROM THE COMPANY AGREES WITH THE COMPANY THAT THE SOLE AND EXCLUSIVE REMEDIES FOR BREACH OF ANY WARRANTY CONCERNING THE GOODS OR SERVICES SHALL BE FOR THE COMPANY AT ITS OPTION TO REPAIR OR REPLACE THE GOODS OR SERVICES OR REFUND THE PURCHASE PRICE THE COMPANY SHALL IN NO EVENT BE LIABLE FOR ANY CONSEQUENTIAL OR INCIDENTAL DAMAGES EVEN IF THE COMPANY FAILS IN ANY ATTEMPT TO REMEDY DEFECTS IN THE GOODS OR SERVICES BUT IN SUCH CASE THE BUYER SHALL BE ENTITLED TO NO MORE THAN A REFUND OF ALL MONIES PAID TO THE COMPANY BY THE BUYER FOR PURCHASE OF THE GOODS OR SERVICES ANY CAUSE OF ACTION FOR BREACH OF ANY WARRANTY BY THE COMPANY SHALL BE BARRED UNLESS THE COMPANY RECEIVES FROM THE BUYER A WRITTEN NOTICE OF THE ALLEGED DEFECT OR BREACH WITHIN TEN DAYS FROM THE EARLIEST DATE ON WHICH THE BUYER COULD REASONABLY HAVE DISCOVERED THE ALLEGED DE FECT OR BREACH AND NO ACTION FOR THE BREACH OF ANY WAR RANTY SHALL BE COMMENCED BY THE BUYER ANY LATER THAN TWELVE MONTHS FROM THE EARLIEST DATE ON WHICH THE BUYER COULD R
8. NPT FEMALE PNEUMATIC INPUT PORT 1 4 NPT FEMALE PNEUMATIC OUTPUT PORT FRONT VIEW WITH NG OPTION NOTE BOTH SIDE FITTINGS ARE PERMANENTLY ATTACHED DO NOT ATTEMPT TO REMOVE THEY MAY BE INSTALLED ON EITHER SIDE OF THE UNIT BY THE FACTORY INSTRUMENT TAG 6 The Interface Solution Experts BOTTOM VIEW NG OPTION MANUAL OVERRIDE amp FILTER HOLDER SIDE VIEW NG OPTION OUTPUT r NATURAL GAS VENT NG1 OPTION SHOWN PERMANENT FITTING NOTE NG1 MODEL SHOWN FOR THE NG2 THE ELECTRICAL CONDUIT IS ON THE RIGHT SIDE AND PERMANENT PLUG IS ON THE LEFT Installation The installation of the EPX is carried out in three phases the physical mounting of the unit the electrical connections phase and the pneumatic connections phase It is strongly suggested that each unit be calibrated according to the instructions in this manual before being placed into service Phase One Mounting Figure 2 gives the dimensions of the EPX The illustrations also give the dimensions of the available option hardware which is recommended for most installations After placing the unit in the desired location and orientation secure the housing with the optional pipe mounting hardware or other appropriate fasteners The EPX may be installed at any angle either surface mounted or attached to pipe or round conduit How ever if water entering the unit is a consideration the EPX sh
9. amp Span Screw gt 15psig 45psig without adjusts zero or span by damage for units with output 10 minimum pressure rating of gt 15psig non interactive Power Supply 9 30Vdc 5mA maxiumum Weight 2 0kg 4 4 Ibs Mounting Position Effect Negligible unit can be mounted in any position Should be mounted upright or horizontal to keep water out if it is not in a dry environment The Interface Solution Experts 3 EPX Explosion Proof Voltage to Pressure E P Transmitter Calibration Preparing for Calibration To prepare the EPX for calibration remove the screw on cap and connect the unit to your configuration equipment as shown in Figure 1 Every EPX is fully tested and calibrated at the factory prior to shipment However before installation your instrument should be bench checked to verify the desired unit zero and unit span Calibration should be LE conducted in an appropriate testing environment Unit Connections and Controls The EPX 3 wire units are connected to the conduit and wire inside the unit Necessary Equipment Table 1 lists the equipment required to calibrate the The two controls are also located inside the unit unit This equipment is not supplied by Moore Indus housing under the screw on cap They consist of two tries but should be available in most labs or mainte potentiometers each accessed through the front panel nance areas They are labeled zero and span The zero potentiom
10. eck for the EPX first perform the setup as described in the next section See Figure 1 for illustration of the Calibration Setup then follow the steps under Calibration Setup and Calibrating the EPX Calibration Setup 1 Connect 1 4 inch pneumatic tubing between the appropriate output port of the regulated instrument air supply and the pressure gauge 1 accuracy of 2 of span Connect another tube from the pressure gauge to the port labeled IN on the EPX 2 Connect 1 4 inch pneumatic tubing between the port labeled OUT and the appropriate port of pressure gauge 2 accuracy of 0 1 of span then from gauge 2 to the appropriate pneumatic load 3 Runvoltage source wiring through conduit opening in housing 4 Connectthe positive lead of your adjustable voltage source white wire to the IN terminal of the unit Connect the negative input source lead black wire to the IN terminal Connect the positive lead of the power source red wire to the and the negative lead of the power source black wire to the A multimeter may also be connected to verify level of voltage input 5 When connections are complete apply an input voltage of 0926 of span i e 1Vdc 6 Apply appropriate filtered instrument quality air to supply line 20 or 35psi 1 4bar to 2 4bar Verify appropriate supply pressure by checking Supply Pressure field of unit model number 7 Allow approximately 30 seconds
11. el 0 344 617971 FAX 0 344 615920 Specifications and Information subject to change without notice Users Manual Supplement EPX INDUSTRIES WORLDWIDE Natural Gas Applications June 2007 The information contained within this document accom panies the EPX User s Manual 170 765 00 When using the NG1 and NG2 options for natural gas applications ensure that the electrical conduit is sealed within 18 inches of the EPX in order to prevent gas from leaking into the conduit e WORLDWIDE WWW miinet com United States info miinet com Belgium info 9 mooreind be China sales 9 mooreind sh cn MO ORE Tel 818 894 7111 FAX 818 891 2816 Tel 03 448 10 18 FAX 03 440 17 97 Tel 86 21 62491499 FAX 86 21 62490635 INDUSTRI ES Australia sales 9 mooreind com au The Netherlands sales 9 mooreind nl United Kingdom sales 9 mooreind com Tel 02 8536 7200 FAX 02 9525 7296 Tel 0 344 617971 FAX 0 344 615920 Tel 01293 514488 FAX 01293 536852 2007 Moore Industries International Inc Specifications and information subjectto change without notice 170 765 01A
12. for calibration setup to stabilize EPX Explosion Proof Voltage to Pressure E P Transmitter Calibrating the EPX This calibration procedure consists of a basic check and adjustment of unit zero and span based on the reading of pressure gauge 2 To calibrate perform the following 1 Check unit zero setting Monitor reading of pres sure gauge 2 output and turn zero potentiometer counterclockwise to lower output clockwise to raise output Set zero potentiometer so that pressure output is at 0 of span when a current input of 0 of span is applied i e 3psi for a 3 15psi unit 2 Check unit span setting Increase input to 100 of rated span i e 5 3 Monitor reading of pressure gauge 2 output and adjust span potentiometer so that reading is at 100 of span for your unit i e 15psi for a 3 15psi unit 4 Repeatsteps 1 through 3 until the unit outputs 096 of rated pressure range at 0 current input and 100 of output pressure range at 100 of span 5 Verify the accuracy of your adjustments by inputting 0 25 50 and 75 of span inputs and monitoring the output The Interface Solution Experts 5 EPX Explosion Proof Voltage to Pressure E P Transmitter Figure 2 EPX Voltage to Pressure Transmitter Housing Dimensions TOP VIEW BOTTOM VIEW WITH PIPE CLAMP NO OPTIONS 89mm 125mm M PISERHOLDER 8 5 in 4 9 in FRONT VIEW BACK VIEW NO OPTIONS NO OPTIONS 1 4
13. ity carry out the maintenance procedure in the next section of this manual If problems persist refer to Troubleshooting section Instrument quality Air Air from the application continuously flows through the EPX during operation Depending upon the purity of the air supply the unit s internal assembly may have to be removed and cleaned to ensure continued optimum performance Initially random checks can help establish a satisfac tory internal maintenance geared to the user s air supply cleanliness Refer to the next section for instruction on the disassembly and cleaning of your unit Maintenance For most applications no maintenance outside of routine inspection and calibration of the EPX will be necessary These units are designed to work unat tended for up to six months with little change in accu racy Occasionally a unit will become clogged when its air Source becomes contaminated An internal filter will prevent the control orifice and nozzle from being clogged To replace the filter you will need to order the filter and two for EPX or three EPX NG1 or NG2 o rings from Moore Industries see Figure 3 for part numbers then follow the instructions below This filter is not intended to replace any of the filters described in the nstallation section Use a screwdriver to remove the filter holder from the bottom of the unit Remove the orifice assembly and filter from the filter holder taking care not to l
14. nt and do not want to apply electric power to the unit with the cover removed the pneumatic installation may be tested by loosening the manual override screw on the bottom of the unit The output pressure will go to the supply pressure Be sure to tighten the manual override screw after test WARNING EPX units installed in a natural gas application must have the natural gas vent properly connected Follow the directions below to install an EPX with NG1 or NG options into a natural gas application Natural Gas Applications Customers using the EPX with NG1 or NG2 options to regulate a sweet natural gas application H S levels are not to exceed 20ppm must also make the vent port connections Connect the Natural Gas Vent shown in Figure 2 to a device prepared to receive natural gas After connection the fittings cover and filter test screw should be tested for leaks For an outdoor system ventilation should consist of a weather proofed connection between the transmitter exhaust and a riser six feet above the transmitter and control valve assembly The riser should be shepherd crooked to prevent rain or incident water from accumu lating at the base In accordance with local safety regulation an in line flame arrestor should be applied to the riser to prevent flash back to the transmitter from an external spontaneous flame source For an indoor system ventilation must consist of a leak proof connection from the exha
15. or you over the phone Be sure to include the RMA number on all documentation Non Warranty Repair If your unit is out of warranty be prepared to give us a Purchase Order number when you call In most cases we will be able to quote you the repair costs at that time The repair price you are quoted will be a Not To Exceed price which means that the actual repair costs may be less than the quote Be sure to include the RMA number on all documentation Provide us with the following documentation Anote listing the symptoms that indicate the unit needs repair b Complete shipping information for return of the equipment after repair The and phone number of the person to contact if questions arise at the factory Use sufficient packing material and carefully pack the equipment in a sturdy shipping container 4 Shipthe equipmentto the Moore Industries location nearest you The returned equipment will be inspected and tested at the factory A Moore Industries representative will contact the person designated on your documentation if more information is needed The repaired equipment or its replacement will be returned to you in accordance with the shipping instructions furnished in your documentation WARRANTY DISCLAIMER THE COMPANY MAKES NO EXPRESS IMPLIED OR STATUTORY WARRAN TIES INCLUDING ANY WARRANTY OF MERCHANTABILITY OR OF FITNESS FOR A PARTICULAR PURPOSE WITH RESPECT TO ANY GOODS OR SER VICES SO
16. ose any of the parts Replace the filter and o rings in the filter holder Screw the filter holder back into place If this is an EPX unit with NG1 or NG2 options and is being used in a natural gas application you will also want to test for natural gas leaks at this time EPX Explosion Proof Voltage to Pressure E P Transmitter Figure 3 Filter Replacement Diagram EPX BOTTOM O RING P N 802 187 24 ORIFICE ASSEMBLY FILTER P N 800 829 43 O RING P N 802 186 24 SPRING IF LOST 800 011 24 FILTER HOLDER Note After maintenance the EPX should be recalibrated before it is returned to service Refer to the Calibration section of this manual for instructions O RING EPX NG P N 802 198 24 Drain Check System filters not EPX filters have automatic drains that depend on the fluctuation of System pressure to induce drainage A stable system may not drain efficiently Check periodically for clogs and drain system s filters by pushing the drainage valve with a small probe or wire The Interface Solution Experts 9 EPX Explosion Proof Voltage to Pressure E P Transmitter Troubleshooting the EPX Many components of the EPX have been thermally aged tested and selected This usually makes field repair unnecessary Itis recommended that any properly maintained unit found to be performing below specifications be returned to the factory in accordance with the instructions found
17. ot to degrade from stated accuracy for six months Step Response lt 0 2 seconds into 100ml load 6 in from 1096 to 90 of span Not guaranteed below 3psig output Supply Pressure Effect Negligible from 20 40psig steady pressure Air Capacity 5 0SCFM minimum 20psig supply Opsig output Relief Capacity 2 5SCFM minimum 15psig output Air Supply Instrument air only 20 40psig Must be 5psig greater than maximum output Gas Supply with NG1 Specifications and information subjectto change without notice Continued Ambient Operating amp Storage cleanliness as instrument air Conditions Range H S not to exceed 20ppm 40 C to 85 C Air Consumption 40 F to 185 F Dead ended Ambient Temperature At 3psig output 20psig Effect lt 0 025 of supply consumes span C maximum from 0 08SCFM 0 14m hr 20 C to 80 C lt 0 1 of maximum At 15psig output span C maximum 20psig supply consumes RFI EMI Effect 0 10SCFM 0 17m hr lt 0 1 of span change maximum At 15psig output field strengths of 10V m 40psig supply consumes frequencies of 20 500MHz 0 15SCFM 0 26m hr Shock and Vibration maximum At 30psig output Effect Meets 40psig supply consumes SAMA 31 1 as detailed 0 17SCFM 0 29m hr in the field mounted category maximum Relative Humidity Maximum Input 80 0 100976 non condensing without damage for units with output pressure rating of Adjustment Zero
18. ould be mounted with at least one vent on a low side The EPX with natural gas NG1 or NG2 option does not have an open vent so water is nota consideration Phase Two Electrical Connections Connect the positive lead of your adjustable voltage source white wire to the IN terminal of the unit Connect the negative input source lead black wire to the IN terminal Connect the positive lead of the power source red wire to the and the negative lead of the power source black wire to the A multimeter may also be connected to verify level of voltage input Caution When connecting the EPX Natural Gas NG1 or NG2 model use an appropriately certified conduit box and wire connectors Do not attempt to remove the seal fitting For input source connect the positive lead to the white wire from the seal fitting and the negative lead to the black wire from the seal fitting Note 1 Power is connected to the DC red wire Power is connected to the DCC black wire Use shielded twisted pair wiring for low level input Ground the shielding wire as close as possible to the installed unit Recommended Ground Wiring Practices Moore Industries recommends the following ground wiring practices EPX Explosion Proof Voltage to Pressure E P Transmitter e Any Moore Industries product in a metal case or housing should be grounded The protective earth conductor must be connected to a system
19. s use A filter regulator suitable for natural gas use without a vent may be used For natural gas certification to be valid the vent system must be able to maintain lt 1psig Filters The EPX requires filtered dry regulated instrument quality air to prevent clogging and to ensure extended periods of maintenance free operation Moore Industries suggests the following levels of filtering protection e Pre filter A general purpose rough filter used to reduce particulate matter to 5 microns in size Also removes bulk liquids Although not required this filter is especially recommended to protect the 0 01 micron final filter when used e FinalFilter A second final filter is recommended to remove particulate matter in sizes down to 0 01 micron This filter removes virtually all condens able liquids from the air stream as well e Filter Regulator Module Option A combined filter regulator assembly the FR1 Option offered as an accessory for the EPX removes particles down to 0 01 microns supplying regulated instru ment quality air to the unit This space saving module is affixed to the supply port and comes with a pressure gauge scaled in both psi 0 60 and bars 0 4 Operation Once the unit has been configured and installed it operates unattended with the exception of the minor maintenance procedures that are described in the next section If the unit is determined to be the cause of a loop irregular
20. ust of the transmit ter to a process vent The process vent should already be dedicated for natural gas excursions and should conform to all standards for flaring or after burn and flame arrest as dictated by local environmental and safety regulations 8 The Interface Solution Experts Indoor natural gas operations are typically monitored to maintain safety conformance outside the lower and upper explosion limits LEL and UEL To add a natural gas operated transmitter in these cases consideration should be made as to the extent of natural gas leak detection legacy to the installed transmitter Placement of the transmitter should be such that detection and alarming surround any critical connections between the transmitter and the natural gas process If the natural gas driven transmitter is to be installed indoors with no legacy monitoring capabilities additional consideration must be made to ensure the operating area is well ventilated and the transmitter can be exhausted to a process vent Furthermore monitor ing with remote annunciation within LEL and UEL should be projected as an upgrade to the facility concurrently with this installation The transmitter installation must adhere to local environmental and safety regulations WARNING EPX units installed in a natural gas application must have the natural gas vent properly connected Failure to do so may result in an explosion The FR1 option is not suitable for flammable ga
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