USER`S MANUAL - Moore Industries International
Contents
1. and on its front panel These are for the connection of wiring for the unit s 4 20 mA output Page 9 PIX Figure 4 shows the electrical hookup diagram for the PIX As the PIX is a loop powered device no additional electrical connections are required Check the Power field of the unit model number to verify appropriate loop voltage Refer to the explanation of the model number in the Description Section of this manual and to the specifications listed in table 1 for more information CAUTION Certain Intrinsic Safety Certification options for the PIX carry restrictions for the unit power loop voltage Refer to the appendix of this manual or consult with your Moore Industries Sales Representative for details As shown in figure 4 connect the I terminal of the PIX to the positive lead from the power source in the loop Connect the I PIX terminal in series with the positive terminals of the other devices in the loop and the negative terminal of the loop power supply Terminal wires used should be between 14 and 22 AWG Connections are made with compression screw sockets Use a slotted tip screwdriver with a head width no greater than 3 mm 0 12 inch NOTE The use of shielded twisted pair wiring grounded as near as possible to the PIX is recommended The enclosure in which explosionproof HP units are shipped as well as the housing of EXI PIX s have a built in grounding screw In the case of the2. explosionproof HP PIX it is located on the interior wall of the enclosure opposite the port used for connection of the pneumatic input On EXI units it is located inside the electrical connections compartment of the housing next to the conduit port Page 10 PIX APPROPRIATE DC POWER SOURCE PNEUMATIC INPUT gt PIX CURRENT DRIVEN 4 20 mA DEVICE I Figure 4 PIX Installation Hookup Grounding To ground the HP PIX make sure a shielded grounding lead is connected to the GND screw on the unit front panel This screw is located to the right of the Zero adjustment pot and is typi cally fitted with a wire or wire terminating lug Typically in the case of HP units in explosionproof enclosures the unit grounding screw is attached to the enclosure ground prior to shipment To ground the EXI PIX run the shielded grounding lead through the housing s wiring conduit port and connect it to the screw on the interior wall of the housing Multiple PIX Hook ups Some precautions must be taken when powering more than one PIX in a single loop Make sure that one side of the power source is common to all PIX s and that the other side of the power source is common to all loads Figure 5 shows an example of this type of hookup When using a single source to power multiple units care must be taken to avoid ground loop problems due to the loads being at different
3. explosionproof enclosure are 1 2 14 The EXI style PIX This housing is designed to meet the requirements of several independent certifying agencies in applications calling for intrinsically safe equipment It provides the unit with excellent protec tion from even the most arduous of industrial envi ronments With the EXI style PIX the electronics and the housing are integrated into an extruded aluminum explosionproof unit The EXI is available with or without pipe mounting hardware and the electrical conduit connection port can be ordered in either a 1 2 14 NPT configuration or with an M20 x 1 5 metric port opening As with the HP style unit pneumatic input connections are female 1 4 18 NPT Table 1 contains the PIX performance and opera tional specifications Page 2 PIX Characteristic Table 1 PIX Operational and Performance Specifications Specifications Input Factory configured Instrument quality air input only see NOTE 1 0 15 psig 3 27 psig 0 30 psig 6 30 psig 0 100 psig 20 100 kPa 0 2 1 bar 0 2 1 kgcm 2 3 15 psig 20 186 kPa Input Pressure Maximum 150 of rated full scale input without damage Output 4 20 mA Output Limit 130 of rated output span Power Loop powered 12 42 standard 12 24 see NOTE 2 12 28 see NOTE 2 Controls Zero Multiturn pot electronically provides offsets of 10 of span Span Multiturn pot electronically provides full adjustability
4. imoore PIX INDUSTRIES Pressure to Current Transmitter USER S MANUAL October 1992 No 123 701 00 B 1992 by Moore Industries International Inc Table of Contents Introduction 1 Description 1 Calibration 4 Installation 6 Operation 10 Maintenance amp Troubleshooting 10 Appendix A Intrinsic Safety Requirements A1 A8 DELIVERY 16650 Schoenborn Street Sepulveda California 91343 U S A UnitedStatesCanada 818 94 7111 Thx 65 1322 TOLLFREE FAX 818 891 2816 CONNECT MacNet MIISEPULVEDA 1 800 999 2900 United Kingdom 1 Lloyds Court Manor Royal Crawley W Sussex RH10 2QU United Kingdom FREEPHONE Tel 0293 514488 87667 0800525107 FAX 0293 536852 Australia 3 18 Resolution Drive Caringbah TOLLFREE New South Wales 2229 Australia Tel 02 525 9177 TIx 790 75914 008251928 R FAX 02 525 7296 Moore Industries STAR Center has a wide variety of quality instrumentation in stock and ready to ship e Signal Transmitters e Temperature Transmitters e P I and I P Converters e Isolators and Converters Indicators and Displays e Alarm Trips Integrators and Totalizers Power Transducers Instrument Power Supplies Racks Rails and Enclosures Most instruments can be customized to meet your needs Even then you ll never have to wait more than a few days Moore Industries 2 Ask for the STAR Center ST CENTER Suppor
5. potentials If separate power supplies cannot be employed contact your Moore Industries Sales Representative for assistance is selecting a compatible signal isolator Operation Once properly installed supplied with pneumatic input and connected to load instrumentation in the process loop PIX transmitters operate unattended If a unit is determined to be the cause of a loop discrepancy or malfunction refer to the Trou bleshooting Section of this manual for instructions Maintenance amp Trou bleshooting PIX transmitters are built with highly reliable compo nents and contain no moving parts These two aspects ensure that these units operate reliably for extended periods of time Once installed and operating the PIX requires no field maintenance other than an occasional visual inspection of the unit connection terminals and pneumatic connection This inspection is recom mended at least once every six months or more frequently in those installations where the unit is subjected to extremes in vibration or dust and dirt Field troubleshooting of the PIX is limited to visual inspection of the housing the pneumatic connec tions and verification of specified signal response Page 11 PIX CURRENT DRIVEN DEVICE CURRENT T Figure 5 DRIVEN 9 m DEVICE CUR
6. 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 8 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 equipment to 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 SOLD BY THE COMPANY THE COMPANY DISCLAIMS ALL WARRAN TIES ARISING FROM ANY COURSE OF DEALING OR TRADE USAGE AND ANY BU
7. 55 in WITH OPTION BLOCK INSTALLED Pneumatic Connections The first phase of PIX installation consists of con necting the pneumatic input line The following suggestions are made regarding the connection of the pneumatic input to the PIX Provide independent support for any compo nents or equipment installed in the lines Cush ioning brackets are best Avoid straight line connections if possible Seal all fittings with Teflon tape or equivalent Pipe dope is not recommended If your appli cation environment prohibits the use of Teflon contact Moore Industries for assistance Always blow down or purge all tubing before connecting to the PIX NOTE On the EXI PIX s equipped with the PTJ Option a removable plug 1 8 in NPT is placed in the unused port unless the unit is also equipped with the Gage Option GA Before connecting a pneumatic input line to the PIX ensure that the line is free of debris Use the meth ods recommended by the maintenance section of your facility Absent that apply high input pressure up to 60 psig to the line until the flow is clear CAUTION Air nozzles nipple and valves should be lubricated before installation Teflon spray lubricant is recommended If a substitute is used exercise extreme care to ensure that it is kept out of the units air passage and input line Electrical Connections The PIX has two electrical connection terminals labeled
8. RENT DRIVEN DEVICE POWER SUPPLY Multiple PIX Installation Hookup If problems arise in the function of the unit in its application Make sure that input and output connections are clean and tight Remove the unit from service and reclibrate making sure that bench instruments used are themselves properly calibrated Verify loop power levels If after re calibration the PIX fails to perform up to specifications contact the factory Customer Service Department Phone numbers of your local STAR Center are listed inside the front cover of this manual Instructions for the return of the unit to the factory for further testing or rehab can be found on the back cover of this manual When calling for assistance always remember to provide your Customer Service Representative with the model and serial number of the offending unit and if possible with the job number and the pur chase order number under which the unit was ordered 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 for you over the phone Be sure to include the RMA number on all documentation Non Warranty Repair If your
9. Several of the available housing and enclosure options in which the PIX is available have been certified Intrinsically Safe by third party certifying agencies Consult your Sales Representative for information on the specifics of each approval and with which configurations each is available Physical Mounting of the PIX The housing styles available for the PIX present a number of mounting options The HP PIX in the explosionproof enclosure and the EXI unit can be mounted on virtually any flat surface or with optional pipe mount hardware on any 2 inch pipe The symmetrical orientation of the mounting holes used in the EXI unit makes it possible to effect mounting in virtually any orientation horizontal or vertical It is important however that the unit positioning and orientation allow for access to the pneumatic port and the electrical conduit opening Typically the HP unit is equipped with spring clips This provides for installing the unit in the explosion proof enclosure without any drilling or tapping HP units equipped with flanges can be used in applica tions calling for either relay track or surface mount use FL and FLD housing options respectively An adapter available as a housing option makes the HP PIX compatible with standard G type DIN rails DN Figure 2 shows the mounting dimensions for the PIXwith the flange mount FL configuration Figure 3 shows the EXI PIX For more information on these options and
10. YER 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 REASONABLY HAVE DISCOVERED THE ALLEGED DEFECT OR BREACH RETURN POLICY For a period of thirty six 36 months from
11. ct quality control guidelines Before installation however your PIX s should be bench checked in order to set and verify the desired operating levels This procedure should be conducted in an environ ment considered appropriate for general testing of electronic and pneumatic equipment It is recom mended that the procedures in this section not be carried out in the field Use a technician s bench or in a similar lab type setup so that any unit damage that may have occurred during shipment can be discovered safely i e separated from the intended process or application Calibration Setup Table 2 lists the equipment required to calibrate the PIX This equipment is not supplied by Moore Industries but should be available in most labs or maintenance areas The terminals for connection of the calibration equipment are located on the unit front panel Both types of housing style use the same type of 6 terminal block Each terminal is numbered but only terminals 1 and 3 are active in the PIX Terminals are labeled I terminal 1 for connection of the positive lead and terminal 3 for connec tion of negative Figure 1 illustrates the generic hookup required to perform the bench check and pot adjustments of the PIX Connect the equipment listed in table 2 as shown in figure 1 NOTE If the unit being checked is equipped with the Test Jack or Gage Option EXI housing only the input pressure may be monitore
12. d during calibration Note that connecting the appropriate measurement instrument to the PIX test jack fitting has no effect on pneumatic load Table 2 PIX Calibration Equipment Equipment Characteristics Air Supply Calibrated adjustable regulated instrument quality Must be capable of discrete output levels within the appropriate rated range of the unit under test Refer to table 1 for appropriate maximum minimum specifications Air Pressure Gage the unit being calibrated Calibrated Accuracy of 0 05 scaled as appropriate for the specified input of Power Source Calibrated 12 42 Vdc capable of 4 20 mA output DC Voltmeter Calibrated Accuracy of 0 005 minimum Precision Resistor 250 0 01 Screwdriver Slotted tip Head width of 2 54 mm 0 1 in maximum PNEUMATIC INPUT REFER TO TABLE 1 Page 5 PIX 12 42 VDC POWER SOURCE DC VOLTMETER Figure 1 PIX Calibration Setup When the setup is complete apply appropriate input pressure and dc power refer to table 1 and unit model number for specifications Allow approxi mately 5 minutes for setup stabilization Calibration Procedure The calibration of the PIX consists of the measure ment of the voltage drop across a precision resistor when the input pressure in the setup is varied within the unit s rated span In both the HP and EXI housing style the zero and span adjustment pots are locate
13. d on the PIX front panel The words ZERO and SPAN are used as labels for the pots on the HP unit front panel In the case of the EXI PIX they are represented symboli cally with the following represents ZERO represents SPAN The Zero pot provides for offsets as great as 10 of rated span The Span pot adjusts unit full scale to 100 percent at maximum input pressure The adjustment pots are not interactive Neither setting is effected during the adjustment of the other To calibrate the PIX make sure that the setup has been completed as described in the preceding section Turn both adjustment pots fully counter clockwise approximately 15 turns then 7 5 turns clockwise This approximates the mid scale setting 1 Set adjustable instrument air supply to 0 of input range specified for unit refer to unit model number and specifications in table 1 2 Using voltmeter with specified load resistor to monitor output adjust Zero pot until voltmeter reads 1 volt CAUTION Use of a screwariver larger than that specified may damage the PIX 3 Set adjustable instrument air supply to 100 of input range as specified for unit refer to unit model number and specifications in table 1 4 Using voltmeter with specified load resistor to monitor output adjust Span pot until voltmeter reads 5 volts 5 Verify proper settings by varying input pressure between maximum and minimum specified levels while monitori
14. ive for information on pricing and availability Required for some types of IS applications Consult your Moore Industries Sales Representative for details 3 Refer to the Installation Section for PIX outline dimensions Controls and Indicators There are two multiturn potentiometers pots used to adjust PIX zero and span Each pot is equipped with a slip clutch mechanism to prevent damage in the event it is turned beyond its wiper stop The pots are located on the front panel of HP units They can be found on the top panel of EXI PIX s which is accessed by unscrewing the top end cap of the unit housing Options The following list provides an overview of some of the PIX options Complete information on mounting hardware and functional options or currently avail able certifications and approvals is available from your Moore Industries Sales Representative Users may also contact the factory directly at 1 800 999 2900 in the U S A IS x Option s Instrinsic Safety Units can be configured to comply with the requirements of several independent IS certifications Contact the factory or your local Moore Industries Sales Repre sentative for information on the specific approvals available The appendix of this manual provides information on the installation of some IS equipped PIX s in applications calling for IS EXAMPLE Page 3 PIX RO Option Reverse Output As input air pressure increases current o
15. ng voltage drop across resistor Page 6 PIX As input is varied between zero and full scale output voltage drop varies proportionally be tween 1 volt for zero and 5 volts for full scale 0 2 of rated unit span NOTE If checking unit equipped with RO Option observed voltage will vary inversely with respect to pressure That is 0 pressure input will produce full scale voltage output 5 volts Full scale pressure input produces 0 output or 1 volt Installation Installation of the PIX is presented in this manual in three phases The first phase is the physical mount ing of the unit Next is the pneumatic connections phase Finally electrical connections can be made It is suggested that the installation of the PIX be carried out in this order Information on multiple unit hookups is included Before PIX installation it is strongly recommended that each unit be bench checked Refer to the instructions for this procedure in the Calibration Section earlier in this manual Also any requirements for intrinsic safety in the intended application must be considered Intrinsic Safety Considerations WARNING If installing the PIX in a hazardous environment application i e one that may require certified intrinsically safe systems hookup make sure that the unit being installed is equipped with the proper IS certification option Refer to the appendix of this manual for information regarding IS installations
16. pipe mounting hardware or for information on options or enclosures not shown contact your Moore Industries Sales Representative NOTE The orientation of the unit horizontal vertical etc has no effect on PIX performance or operation 72 6 mm 2 86 in Y _ 20 6 mm 0 82 in 4 FITTING USED WITH HP UNIT NO MOUNTING HARDWARE 75 4 mm 2 97 in 44 5 mm 1 75 in 42 7 mm 1 68 in 1 4 in NPT FITTING gt SLIDE CLIP FOR SECURING PNEUMATIC FITTING 41 3 mm 1 63 in FITTING USED Ezz WITH FLANGE MOUNT HARDWARE BOTTOM VIEW Figure 2 HP PIX with Flange Mount Haraware Page 7 PIX Page 8 PIX FRONT VIEW 127 mm 5 0 in 89 mm aw GA1 3 5 in OPTION PTJ OPTION REAR VIEW 88 9 mm 3 5 in SQUARE 57 2 mm 2 25 in SQUARE 69 9 mm 2 75 in SQUARE OPTION BLOCK SIDE VIEW 4 00 in 114 3 mm 4 50 in APPROX 145 mm 5 7 in WHEN OPTION IS INSTALLED Figure 3 EXI PIX Outline Dimensions 98 mm 3 85 in 116 mm 4
17. t Technical Assistance and Repair our Quick Ship Facility Page 1 PIX Introduction The version of Moore Industries Pressure to Current Transmitter packaged in the Hockey puck HP or Explosionproof EXI housing style is called the PIX The PIX is used to effect proportional changes in the current of a 4 20 mA process instrumentation loop based on changes in pneumatic input This manual contains all of the information needed to calibrate operate and maintain the PIX It also includes a brief description of the unit and its capa bilities and options a listing of unit specifications and an overview of Moore Industries unit data tracking system and labeling An appendix at the end of the manual provides the information required for installing the PIX in hazard ous environments Such installations require one of the available Intrinsic Safety IS options described later Where they appear in text or figures NOTES are used to draw attention to practices that could other wise result in inconveniences to the user CAU TIONS call out information that if ignored could result in damage to the unit and WARNINGS point out aspects of installation or operation that require special attention Unheeded warnings could result in personal injury Description The PIX is a two wire loop powered transmitter that accepts variable instrument quality pneumatic input and converts it proportionally to current output in
18. the 4 20 mA range As input pressure increases output increases proportionally toward 20 mA Inversely as pressure decreases output drops The unit is configured at the factory according to customer specification to accept pneumatic input in any one of several ranges lt can function in a single instrument loop or together with several PIX s inter connected in a pneumatic system The available housing styles for the PIX which include several versions of both the HP and EXI type afford the user with a wide variety of mounting options Contact your Moore Industries Sales Representative for more information on available mounting hardware and options The HP style PIX This unit is intended to function as a modular replacement in applications where conduit and enclosures may already be in place when a special enclosure is not required or in applications where the EXI PIX is not otherwise appropriate Typically this style of PIX is mounted in a separate domed explosionproof enclosure It is secured inside this enclosure with two spring clips no drilling or tapping is required Other versions of the HP style PIX include hardware for surface mount or relay track installations With an available adapter the unit can also be snapped on to G type DIN rail DIN EN50035 Pneumatic input connections for the HP style PIX are female 1 4 18 NPT The electrical conduit connec tion hubs for the unit when used with Moore Indus tries
19. 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 o LII MOORE INDUSTRIES erstes 2007 Moore Industries International Inc Belgium info 9 mooreind be Tel 03 448 10 18 FAX 03 440 17 97 The Netherlands sales mooreind nl Tel 0 344 617971 FAX 0 344 615920 Specifications and Information subject to change without notice
20. to 100 of span Zero and Span pots are non interactive Performance Accuracy Error less than 0 2 of unit span including the effects of independent linearity as defined per SAMA standard PMC 20 1 1973 Repeatability 0 1 of input span Resolution 0 05 of input span Response Time 10 milliseconds to reach 98 of output for each step change on input Load Capability 600 at 24 Vdc nominal Load Effect 0 01 of rated span from zero to maximum rated load Output Ripple Negligible Power Supply Line Voltage Effect Less than 0 01 of rated span per volt of change in line voltage at power input terminals RFI EMI Effect Less than 0 1 of rated span in field strengths of 10 V m at typical walkie talkie frequencies Vibration Effect Negligible Unit has no internal moving parts Effect of Ambient Temperature Less than 2 of full scale input over the specified ambient temperature operating range Environmental Ambient Temperature Operating Range 1 to 54 C 30 to 130 F Ratings Weight EXI style Housing Approximately 1 25 kg 2 Ib 13 oz without options 1 4 kg 3 Ib 2 oz including mounting flange option block gage and test jack options HP style Housing Approximately 227 g 8 oz with standard flange mount hardware and pneumatic input connection fitting 1 4 kg 3 Ib 2 oz in explosionproof enclosure NOTES 1 Not all listed specifications are standard Consult your Moore Industries Sales Representat
21. utput decreases toward 4 mA PTJ Option Pneumatic Test Jack Fitting for connection of test equipment to monitor input pres sure test equipment not included Available with the EXI housing only GA1 Option Input Gage Scaled in psi and bars Available with the EXI housing only Unit Data Tracking Model Serial Number Moore Industries keeps a record of product information on every unit sold or serviced This record is keyed to the unit model and serial numbers On the HP style PIX look for the model and serial numbers on a label affixed to the back panel The tag on EXI style units is on the bottom cover end cap The following example shows a typical PIX model number breaking out its data fields for illustration purposes Refer to the example in deciphering the model number on your RBX If service assistance is ever required make a note of the unit model number before contacting the factory For fastest assistance also note the unit serial number job number and the purchase order number under which it was shipped This information assists the factory representative in providing you with the answers you need as efficiently as possible PIX 3 15PSIG 4 20MA 12 42DC RO EXIP Unit Type Input Output Power Option s Housing Page 4 PIX Calibration Prior to shipment every PIX is fully tested to ensure compliance with Moore Industries stri
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