USER`S MANUAL - Moore Industries International
Contents
1. 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 a A note listing the symptoms that indicate the unit needs repair b Complete shipping information for return of the equipment after repair c Thename 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 Ship the 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 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 WITH2. D 3 10 in H i te 1 TRIM a i L I yl Wu y D TM E Figure 4 ECD Housing Outline Dimensions Making the Electrical Connections The electrical connections for the SCX are made to individual compression screw terminals The JN and JN terminals are for the input signal The OUT and OUT terminals are for the isolated output signal Each of these terminals is clearly marked on the unit The ends of each termination wire should be striped appropriately 6 25 mm 0 25 inch to expose bare conductor wire If stranded signal wire is used DO NOT apply solder to the termination area For low level signals we recommend shielded twisted pair wire When shielded wire is used ground the shield as near to the unit as possible but NOT to its case The 4 20 or 10 50 mA input signal comes from a process operation The power requirements for the SCX differ depending on the input output configura 2 WIRE TRANSMITTER S OUT DC POWER SOURCE SEE NOTE Page 7 SCX tion of the unit When preparing to place the SCX into service it is important for you to know the voltage available in the process and what the voltage drop is of the SCX You must also factor in the voltage drop of the device the SCX outputs to Refer to table 1 for the power requirements of the SCX Figure 5 is a typical hookup diagram for the SCX when it is used to isolate a 2 wire process loop signal
3. Industries Signal Current Isolator SCX is a process instrument that accepts a process variable current input and provides an isolated current output This manual contains descriptive calibration and installation information for the SCX Notes are presented in this manual to help you avoid minor inconveniences while calibrating or installing this instrument Description The SCX accepts a 4 20 or 10 50 milliampere mA input and outputs a proportional isolated process variable signal of the same value Units with 10 50 mA inputs can be factory configured to output 4 20 mA not with ECD Housings Units configured with 4 20 mA inputs have 4 20 mA outputs only The input and output are factory configured to user specifications Power requirements for the SCX vary depending on the combined input output configuration of the unit Table 1 listed the voltage drops requirements considerations for the SCX The SCX has no visual indicators but does have one adjustment the TRIM potentiometer pot The TRIM pot is located on the front panel and is used to adjust the output signal for a precise span value The SCX is available in three basic housing styles the hockey puck HP DIN style and economy DIN style ECD Functionally they are identical The housing style you select should be based on the application and the environment in which the unit is to be used Table 1 contains the operational and performance specifications o
4. 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 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 product
5. fll moore SCX INDUSTRI ES Signal Current Isolator USER S MANUAL November 1991 No 109 701 00 E 1991 by Moore Industries International Inc Table of Contents Introduction Description Calibration Installation Maintenance AS DELIVERY l l h United States Canada TOLLFREE 1 800 999 2900 16650 Schoenborn Street Sepulveda California 91343 U S A Tel 818 894 7111 TIx 65 1322 FAX 818 891 2816 CONNECT MacNet MIISEPULVEDA d 1 Lloyds Court Manor Royal Crawley nited Kingdom Sheeran W Sussex RH10 2QU United Kingdom FREEPHONE Tel 0293 514488 Tlx 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 ee 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 UD Converters e Isolators and Converters e Indicators and Displays e Alarm Trips e Integrators and Totalizers e Power Transducers e Instrument Power Supplies e 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 R Ask for the STAR Center S T CENTER Support Technical Assistance and Repair our Quick Ship Facility Introduction Moore
6. resistor for 4 20 mA outputs or a 100 resistor for 10 50 mA output Figure 1 SCX Calibration Hookup Calibration Procedure Before beginning this procedure check the model number of the unit to be calibrated to verify the power requirement of the unit and what the input and output are configured for The following procedure is suitable for all SCX s Refer to table 2 for a list of calibration equipment and use figure 1 for hookup requirements 1 Connect SCX and calibration equipment as shown in figure 1 2 Apply power and allow SCX to warm up for 5 minutes 3 Set adjustable input source for median input based on input configuration 12 mA for 4 20 mA input 30 mA for 10 50 mA input 4 Monitor output with voltmeter to verify propor tional output reading is present 3 Vdc NOTE If your unit is configured for 10 50 mA input and 4 20 mA output an input of 30 mA should produce an output reading 12 mA 3 Vdc 5 Adjust TRIM pot as required to bring the median output reading to match the appropriate median input 6 Set adjustable input source for zero percent input as stated in model number 7 Verify zero percent output 1 Vdc 3 mV corresponds to zero percent input 8 Set adjustable input source for 100 percent input as stated in model number 9 Verify 100 percent output 5 Vdc 3 mV corre sponds to 100 percent input 10 If zero or 100 percent output reading do not correspond to appr
7. tracks Figure 2 is an outline dimension drawing of the HP Housing The spring clips have no dimensional significance so they are not shown but the flange plates do see figure 2 The DIN style Housing The DIN style Housing is designed to mount directly on standard G type EN50035 or Top hat EN50022 DIN rails At the rear of this unit are the lips and grooves for mounting on a rail This unit is mounted by positioning it so that the upper portion of the DIN rail mating elements hook either under or over depending on the rail type the top of the rail then rotate the front of the unit downward Figure 3 is an outline dimension drawing of the DIN style SCX The ECD Housing The ECD Housing is a plastic DIN style housing This housing mounts on the G type and Top hat DIN rails in the same manner as the DIN style Housing Figure 4 is an outline dimen sion drawing of the ECD Housing 49 mm 1 92 in 62 2 mm TT 2 45 in lt BB mm 2 17 in Figure 2 HP Housing Outline Dimensions FL Housing shown Page 6 SCX 25 4mm 107 mm 1 in 4 2 in Facts rnd L US S ST AN N OUT OUT SC 80 mm 3 15 in MOORE INDUSTRIES Figure 3 DIN style Housing Outline Dimensions 90 17 mm s gt 3 55 in 85 mm 3 35 in 23 mm 74 mm 91 in 2 90in Jlo 1 fe n Se C H ISOLATOR 79 mm A Bi yt Kd 1
8. 5 Generic Immunity Standard Industrial Environment Supplemental Information 1 RF filters are required for the CE Option R Date Fred Adt Robert Stockham Quality Assurance Director Moore Industries International Inc European Contact Your Local Moore Industries Sales and Service Office he Interface Solution Experts e www miinet com United States e info miinet com Belgium info mooreind be China e sales mooreind sh cn DI MOOR Tel 818 894 7111 FAX 818 891 2816 Tel 03 448 10 18 FAX 03 440 17 97 Tel 86 21 62481120 FAX 86 21 62490635 IND USTRIES Australia e sales mooreind com au The Netherlands sales mooreind n United Kingdom e sales mooreind com Tel 02 8536 7200 FAX 02 9525 7296 Tel 0 344 617971 FAX 0 344 615920 Tel 01293 514488 FAX 01293 536852 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 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
9. Figure 6 is a typical hookup for isolating signal from a 4 wire instrument DIN Unit Test Points The DIN style Housing has two test points marked T and T on the front panel These test points can be used to monitored the units output without affecting the process loop To use these test points connect a dc voltmeter across them and convert the meter reading using this equation 0 1 Vdc 10 mA CURRENT DRIVEN DEVICE NOTE Check model number for unit s input and output configuration and power requirements Figure 5 Typical Installation Hookup for a 2 wire Loop Input Page 8 SCX OUT e N OUT IN INPUT 4 WIRE SCX CURRENT SIGNAL TRANSMITTER DRIVEN e N OUT IN DEVICE OUT SEE NOTE AC OR DC POWER SOURCE NOTE Check model number for unit s input and output configuration and power requirements Figure 6 Typical Installation Hookup Using a 4 wire Input Device Maintenance Once the SCX is properly calibrated and installed it will operate reliably for extended periods of time Routine maintenance of the SCX is limited to keep ing the unit clean and ensuring terminal connections are secure and free of oxidation We recommend that you visually inspect the unit at least once every six months to ensure its physical condition is accept able Periodically you may wish to check the performance of the SCX to ensure t
10. actory The following model number example identifies the significance of each field of the SCX model number Page 2 SCX Table 1 SCX Operational and Performance Specifications Charateristic Specifications 4 20 mA into 275y 10 50 mA into 150y 4 20 mA into 0 250y 10 50 mA into 0 100y Supplied as input loop excitation 5 5 V loop power for 4 20 mA input and output 8 5 V loop power for 10 50 mA input and output 4 5 V loop power for 10 50 mA input and 4 20 mA output Power requirements listed are the voltage drops caused by the SCX alone Controls Multiturn potentiometer front panel Trim Adjusts output to 1 of span accuracy Performance Accuracy 0 075 of span Isolation Input and output are transformer isolated to 500 Vrms no dc connections Temperature Affect 0 018 C 0 01 F per degree change 0 005 per degree gain change Environmental Ambient Operating Temperature 29 to 82 C 20 to 180 F Ratings NOTE Refer to the Installation Section of this manual for the unit s outline dimensions MODEL NUMBER EXAMPLE SCX 4 20MA 4 20MA 5 5VLP RF HP Unit Type Input Output Power Option s Housing Calibration Every SCX is calibrated and tested at the factory prior to shipment Before placing an SCX into service you should set it up for a bench check and verify that it responds to known inputs in a predict able
11. f the SCX Page 1 SCX Options The SCX is available with the following options RF Option RFI and EMI protection to 50 V m abc 0 1 of full scale when tested according to SAMA standard PMC 33 1 not available for ECD Housings RTB Option Removable terminal block for DIN style units only WTD Option Water tight enclosure for ECD housed units meeting NEMA 4 and SAA Type N IP65 requirements For information on availability of other SCX options contact your local Moore Industries Sales Represen tative Serial Model Number Moore Industries uses a serial number based tracking system to maintain historical records on each individual product that we sell or service The model number contains impor tant configuration information about the product to which it corresponds Together the serial and model numbers provide the factory and the user with information regarding the unit s history and functional configuration If service information is required you must provide the factory with the units serial number Providing the model number is also important when technical assistance is required The serial and model num bers for PC units is etched into a stainless steel tag on the front of the unit For DIN style and ECD units these numbers are printed on a label and affixed to the side of each unit The model number contains information about the configuration of the unit as it was shipped from the f
12. hat it is operating within the desired parameters To check its operational performance take the unit off line and set it up for a bench check as described in the Calibration Section of this manual Perform the calibration procedures contained therein to verify the operating condition of the unit The schedule for in service bench checks depends on your facility s maintenance practices and on the unit s performance We recommend that you bench check the SCX approximately once a year But if there is no indication of variation in performance you may elect to let the SCX remain on line for longer periods If an operational problem arises with the SCX contact Moore Industries Customer Service Depart ment at 1 800 999 2900 or your local Sales Repre sentative for assistance To return a unit follow the instructions on the back cover of this manual Declaration of Conformity C EMC Directive 89 336 EEC Manufacturer s Name Moore Industries International Inc Manufacturer s Address 16650 Schoenborn Street North Hills CA 91343 6196 USA Declares that the product s Product Name SCX MODEL _ INPUT OUTPUT POWER _ OPTIONS HOUSING Model Number s SCX K k CE HP SCX K S N CE DIN ECD Indicates any input output power and option as stated on the product data sheet Conforms to the following EMC specifications EN50081 2 1993 Generic Emissions Standard Industrial Environment EN50082 2 199
13. manner A bench check will indicate if the SCX is ready to be placed into service or if it needs to be re calibrated To bench check and calibrate an SCX properly your must use test equipment that allows you to vary the input and monitor the output The equipment and setup requirements are described in the Calibration Setup subsection later in this section SCX Controls The SCX has one control the Trim pot This potenti ometer is located on the front panel all housing styles and is labeled TRIM This adjustment changes the gain of the output span This single adjustment varies the zero and 100 percent output values equally so that you can adjust the signal to have the same amount of offset at both extremes With the Trim adjustment you can set the 16 mA span for 4 20 mA outputs with very high precision The same is true for the 40 mA span of the 10 50 mA outputs Page 3 SGX Calibration Setup Since the SCX has no visual indicators its opera tional performance must be verified with calibration equipment The equipment required to bench check and calibrate the SCX is listed in table 2 The accuracy of the equipment used is very important If uncalibrated test equipment is used the input you apply and output readings you observe will be unreliable and the actual performance of the SCX unpredictable Although the SCX can be calibrated in its installation location typically it is easier to work with the calibra tion e
14. opriate inputs repeats steps 3 through 9 11 When output readings are stable and consistent remove power and disconnect calibration equip ment Calibration is complete If you have difficulty performing the calibration procedure contact Moore Industries Customer Service Department for assistance Installation Installing the SCX consists of physically mounting the unit and completing the necessary electrical connections Before installing the SCX you should check its model number and bench check it to ensure it is properly configured for the intended application Installation is generally made easier by mounting the unit before making the electrical connections Mounting the SCX The SCX is available in three basic housing styles Regardless of the housing style chosen mounting the SCX in an area free of excessive dust moisture or corrosive elements will prolong the life of the unit The HP Housing The HP Housing is designed to mount inside explosion proof enclosures Spring clips on the basic HP Housing are used to hold the unit in the base of the enclosure By squeezing the 75 4 mm 2 97 in Page 5 SCX ends of the spring clips toward one another the unit can be positioned in the base When released the spring clips apply adequate outward pressure to hold the HP unit in the enclosure If the basic HP Housing is equipped with flange plates FL Housing it can be mounted on flat surfaces or relay
15. quipment in a laboratory setting e g a techni cians workbench Figure 1 illustrates the hookup requirements for bench check and calibration of the SCX The terminal designations for each connection are clearly marked on the front panel of each unit The SCX uses four terminals IN and JN for the input signal and OUT and OUT for the isolated output signal All housing styles use a compression screw principle to make individual wire connections HP and ECD housed units provide wire access through the top and bottom of the terminal locations with compres sion screws accessed at the front of the unit For standard DIN style units the wire and screw access are both on the same plane i e the front surface of the unit Table 2 SCX Calibration Equipment Characteristics Adjustable Current Source Capable of simulating specified input range 4 20 or 10 50 mA and voltage requirements see table 1 Voltmeter amp Load Resistor Voltmeter accuracy of 0 05 or better Load resistor 250y for 4 20 mA output 100y for 10 50 mA output tolerance of 0 02 Milliammeter Accuracy of 0 05 or better Screwdriver Slotted tip head width no greater than 2 54 mm 0 1 inch Page 4 SCX MILLIAMMETER ADJUSTABLE T CURRENT SOURCE DC VOLTMETER SEE NOTE 2 SEE NOTE 1 NOTES 1 Check unit s model number for input and output configuration 2 For a 1 5 Vdc reading use a 250
16. s 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 e www miinet com China e sales mooreind sh cn Tel 86 21 62491499 FAX 86 21 62490635 United Kingdom sales mooreind com Tel 01293 514488 FAX 01293 536852 LUI MOORE v INDUSTRIES JEE 2007 Moore Industries International Inc Belgium info mooreind be Tel 03 448 10 18 FAX 03 440 17 97 The Netherlands e sales mooreind nl Tel 0 344 617971 FAX 0 344 615920 Specifications and Information subject to change without notice
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