Omega TX82B User's Manual
Contents
1. le aa SU 9 6 2 Configuration Procedures deme cosa ERR ER 9 55 REPE 10 A o En 10 6 4 Factory Setup Label 15x22 ee Pe doe 10 7 0 WIRING DIAGRAM do spin ates ae 11 ILLUSTRATIONS Figure 3 1 Exploded VIEW cuece tee sa Ars te d Der 5 Figure3 2 DIN Case DIMENSIONS 02 Doo o sce bio dea een 6 Figure 5 4 Main Board Jumper Locations 8 Figure 7 1 Wiring Diagram for TX82B Usage for FM Factory Mutual 11 UNPACKING INSTRUCTIONS Remove the Packing List and verify that you have received all equipment including the following QTY DESCRIPTION 1 Current Loop Meter Indicator with all applicable connnectors attached 1 Owner s Manual 1 Factory Setup Label If you have any questions about the shipment use the phone number for the Customer Service Department nearest you When you receive the shipment inspect the container and equipment for signs of damage Note any evidence of rough handling in transit Immediately report any damage to the shipping agent The carrier will not honor damage claims unless all shipping material is saved for inspection After examining and removing contents save packing material and carton in the event reshipment is necessary 1 0 GENERAL INFORMATION Model TX82B two wire current loop indicator accepts 1 5 mA 4 20 mA or 10 52. moi WNLMMU Shop on line at EOMEGA WWW Omega e mail TX82B Panel Mounted Current Loop Indicator omega com LEOMEGA OMEGAnet On Line Service Internet e mail www omega com info omega com USA ISO 9001 Certified Canada Servicing North America One Omega Drive P O Box 4047 Stamford CT 06907 0047 TEL 203 359 1660 FAX 203 359 7700 e mail info omega com 976 Bergar Laval Quebec H7L 5A1 TEL 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance USA and Canada Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom ISO 9002 Certified Sales Service 1 800 826 6342 1 800 TC OMEGA Customer Service 1 800 622 2378 1 800 622 BEST Engineering Service 1 800 872 9436 1 800 USA WHEN TEL 001 800 TC OMEGA FAX 001 203 359 7807 En Espanol 001 203 359 7803 e mail espanol omega com Servicing Europe Postbus 8034 1180 LAAmstelveen The Netherlands TEL 31 20 3472121 FAX 31 20 6434643 Toll Free in Benelux 0800 0993344 e mail sales omegaeng nl Frystatska 184 733 01 Karvina TEL 420 59 6311899 FAX 420 59 6311114 e mail info omegashop cz 11 rue Jacques Cartier 78280 Guyancourt TEL 33 1 61 37 29 00 FAX 33 1 30 57 54 27 Toll Free in France 0800 466 342 e mail sales omega fr
3. 0 81 0 00 PANEL CUT OUT NOTES DIMENSIONS ARE IN INCHES MILLIMETERS Figure 3 2 DIN Case Dimensions 4 0 SIGNAL INPUT CONNECTIONS P3 The signal input connections for all meters are made at connector P3 as follows see Figure 3 1 P3 Connection Signal Hi Signal Lo No Connection 5 0 CONFIGURATION The standard TX82B meter is factory configured for an input of 4 20 mA to display 00 0 to 100 0 Field configuration for input current range decimal point location dummy right hand zero digit coarse zero range selection and reverse span slope may be done by relocating internal push on jumpers and adjusting the span and zero potentiometers Refer to Figure 5 1 for the span and zero potentiometers and internal jumper locations 5 1 STANDARD SETUP Unless the customized configuration option is specified jumpers are factory installed at S1 H S2 C S1 B S1 C and the unit is calibrated for 4 20 mA 00 0 to 100 0 5 2 FIELD CONFIGURATION CHART CONFIGURATION 1 5 mA Input 4 20 mA Input 10 50 mA Input Normal Span Slope Reverse Span Slope Decimal Point 1 999 DP1 Decimal Point 19 99 DP2 Decimal Point 199 9 DP3 Decimal Point 1999 DP4 Decimal Point 19990 DP5 Dummy Right Hand Zero DRHZ Dummy Right Hand Zeroes 2DRHZ Zero Range 2510 to 1420 ZR1 Zero Range 1580 to 420 ZR2 Zero Range 470 to 850 ZR3 Zero Range 760 to 2000 ZR4 Standard factory setup JUMPER INSTALLATION N
4. 0 mA process signals and digitally displays the process variable in percentage or engineering units of such measurements as pressure flow temperature and level No separate power supply or power connections are required since the TX82B obtains operating power directly from the current loop with a voltage drop of less than 2 5 V It can tolerate current overdrives up to 200 mA forward and 1000 mA reverse The compact TX82B circuit is mounted in a black polycarbonate case with the standard 1 8 DIN panel mount bezel and a depth of less than 110 mm 4 33 in Five 12 7 mm 0 5 in high liquid crystal 7 segment digits are used to display 1999 active counts plus one or two dummy right hand zeros The TX82B displays from 1999 to 1999 counts with the option of one or two dummy right hand 0 digits Zero suppression or elevation capability exceeds full scale Program jumpers are used to scale the readout for percentage or engineering unit display Both zero and span are fine tuned with multiturn potentiometers accessible through the display board requiring lens removal for readjustment When removed from its case the TX82B can be programmed with gas tight jumpers for three input ranges 1 5 4 20 or 10 50 mA four coarse zero ranges four decimal point locations and the dummy right hand zeros Two additional jumpers are provided to reverse the span slope so that increasing the input can cause a reading decrease thus a 4 20 mA input can be progr
5. Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 7056 9398 0 FAX 49 7056 9398 29 Toll Free in Germany 0800 639 7678 e mail info omega de One Omega Drive River Bend Technology Centre Northbank Irlam Manchester M44 5BD United Kingdom TEL 44 161 777 6611 FAX 44 161 777 6622 Toll Free in England 0800 488 488 e mail sales omega co uk TABLE OF CONTENTS 1 0 GENERAL INFORMATION dusk urn garage 1 2 0 SPECIFICATIONS abe I US rigen 2 2 1 dete mco ee 2 2 estara ao her eee ae dud ure ee 2 2 3 Analog To Digital Conversion iius hr RR mm Br 2 UE A ER oe 3 Zo Epvironme tal Same Re aS s S09 US wh WORN e d 3 2 6 Mechanical e ssec amia arar e E Eo 3 3 0 MECHANICAL ASSEMBLY AND INSTALLATION 4 3 1 Safety Considerations eei uiis rbd ii e wee 4 3 2 Intrinsic Safety Parameters for FM Factory Mutual 4 33 Installation Removal 215225222 ord ebur rd 5 4 0 SIGNAL INPUT CONNECTIONS P3 6 5 0 CONFIGURATION o ddes sassa hasa s saa ai 7 5 1 Standard S t pi daria e ceo era hk Qu bes 7 5 2 Field Configuration Chart REDE REIS eium oboe ge eee 7 6 0 CUSTOMER CONFIGURATION AND CALIBRATION 9 BOT Fomula S barra en ce
6. G CABLES NOTES Apparatus which is unspecified except that it must not be supplied from nor 2 3 Q NA 5 contain under normal or abnormal conditions a source of potential with respect to Earth in excess of 250V R M S or 250V D C The following output parameters apply Vmax 12 5V Imax 250mA Ci 8 6uF Li 0mH The Interconnecting Cable may be a twin pair or a pair contained in a type A or type B multicore cable provided that the peak voltage of any circuit contained within the multicore does not exceed 60 volts The capacitance or inductance or inductance to resistance 4 R ratio of the Interconnecting Cable must not exceed the values specified for the barrier in use The electrical circuit in the Hazardous Area must be capable of withstanding without breakdown an A C test voltage of 500V R M S to Earth or frame for one minute Figure 7 1 Wiring Diagram for TX82B Usage for FM Factory Mutual 11 WARRANTY DISCLAIMER OMEGA ENGINEERING INC warrants this unit to be free of defects in materials and workmanship for a period of 13 months from date of purchase OMEGA Warranty adds an additional one 1 month grace period to the normal one 1 year product warranty to cover handling and shipping time This ensures that OMEGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OMEGA s Customer Service Department will issue an A
7. IABILITY The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to this order whether based on contract warranty negligence indemnification strict liability or otherwise shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA is not intended to be used nor shall it be used 1 as a Basic Component under 10 CFR 21 NRC used in or with any nuclear installation or activity or 2 in medical applications or used on humans Should any Product s be used in or with any nuclear installation or activity medical application used on humans or misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additionally purchaser will indemnify OMEGA and hold OMEGA harmless from any liability or damage whatsoever arising out of the use of the Product s in such a manner RETURN REQUESTS INQUIRIES Direct all warranty and repair requests inquiries to the OMEGA Customer Service Department BEFORE RETURNING ANY PRODUCT S TO OMEGA PURCHASER MUST OBTAIN AN AUTHORIZED RETURN AR NUMBER FROM OMEGA S CUSTOMER SERVICE DEPARTMENT IN ORDER TO AVOID PROCESSING DELAYS The assigned AR number should then be marked on the outside of the return package and on any correspondence The purchaser is responsible for
8. R1 2510 to 1420 ZR2 1580 to 420 ZR3 470 to 850 ZR4 760 to 2000 ZR 6 2 6 3 6 4 CONFIGURATION PROCEDURES Remove all push on jumpers 2 Foran input current range of 1 5 mA no jumper is required For 4 20 mA input install a push on jumper at S1 H For 10 50 mA input install a push on jumper at S1 J 3 IfN2 Section 6 1 is less than N1 reverse the signal polarity by removing jumpers from S1 B and S1 C and reinstalling jumpers at S1 A and S1 D 4 Selectthe zero range required ZR1 4 and install the push on jumper as indicated in the configuration chart Section 5 2 5 Ifa decimal point is required DP1 5 install a push on jumper as indicated in the configuration chart Section 5 2 If one dummy right hand zero is required install jumper at S2 A If two dummy right hand zeros are required install jumpers at S2 A S2 G S2 H and S2 J CALIBRATION 1 Apply an input current 11 and adjust the zero pot Z to read N1 2 Apply an input current 12 and adjust the span pot 5 to read N2 3 Repeat steps 1 and 2 as required to set N1 and N2 to within 1 count FACTORY SETUP LABEL The label on the meter shows the factory configured input and display settings If the configuration is changed use the extra label included with the meter to indicate the new settings 10 7 0 WIRING DIAGRAM HAZARDOUS AREA SAFE AREA SHUNT ZENER DIODE SAFETY BARRIER SAFE AREA APPARATUS CONNECTIN
9. V I max 250 mA Intrinsically Safe for Class II and Ill Division 1 Groups A B C D E F and G hazardous locations Ci 8 6 uF Li 0 mH 3 3 INSTALLATION REMOVAL The TX82B is housed in a 1 8 DIN case The electronic circuitry can be installed or removed from the front and is attached to the case with two M4 screws through the rear panel Panel Mounting 1 Remove the two thumbnuts on the rear of the case 2 Slide the sleeve off the case see Figure 3 1 Exploded View 3 Verify the panel cutout dimensions in Figure 3 2 Case Dimensions Insert the case in the panel cutout from the front and slide the sleeve on from the rear Install the two thumbnuts to secure the sleeve to the case Main Board Access 1 Case must be removed from sleeve 2 Remove lens from case 3 Slide main board from front of case CASE REAR P SLEEVE MAIN BOARD DISPLAY BOARD FRONT LENS 9 REAR CONNECTOR FOR SIGNAL INPUT 123 a ELECTROSTATIC RISK L Figure 3 1 Exploded View includes rear panel 1 89 48 0 md I 1 7 9 0 31 MAX 3 50 88 9 4 15 105 4 SLEEVE TOP VIEW SIDE VIEW PANELTHICKNESS 0 25 6 4 MAX 0 03 0 8 MIN iik Roa 1 772 024 000 4 PLCS 45 00 0 61 0 00 3 622 032 000 92 00
10. ammed to produce a 2000 to 18000 reading when one dummy right hand Zero is also used 2 0 2 1 2 2 2 3 SPECIFICATIONS INPUT Current Protection Voltage Drop Span Range Zero Range Span Slope Normal Mode Rejection at 50 60 Hz ACCURACY AT 25 C Maximum error Zero tempco Span tempco CONVERSION Technique Polarity Input integration period Reading rate 1 5 mA 4 20 mA or 10 50 mA 200 mA max forward and 1000 mA max reverse 2 5 V max forward and 1 2 V max reverse 100 to 2000 counts continuous adjustment with a multiturn potentiometer The multiturn zero potentiometer can displace the displayed reading by 500 counts from the center of each of the four overlapping zero ranges provided that the resultant is within the 1999 count display capability Positive or Negative 46 dB minimum 0 1 R 1 count 0 1 ct K typ 0 3 ct K max 0 005 S K typ 0 015 S K max Dual slope average value with autozero correction Determined automatically at the end of input integration period 100 milliseconds nominal value 2 5 second 2 4 2 5 2 6 DISPLAY Type Color Symbols Polarity Overrange Extra digits Decimal points Lifetime to 2 1 contrast ratio Temperature derating Humidity derating ENVIRONMENT Standard operating temp Extended operating temp option conformally coated Humidity Bezel cover option MECHANICAL Weight Case material Case size Beze
11. l HxWxT Depth behind bezel with mounting hardware Panel cutout HxW Electrical connections Wire size 7 segment LCD Black digits with white background 1 8 8 8 0 0 12 7 mm 0 5 in height Minus sign Three least significant digits blank One or two dummy right hand zeros jumper selectable Four positions jumper selectable More than 30 000 hours 2 1 for each 10 C above 60 C 2 1 for each 10 RH above 60 RH 0 to 55 C 40 to 85 C To 95 at 40 C Splash proof 170 g 6 oz Black polycarbonate 94V 0 flammability rating 48 x 96 x 7 67 mm Less than 110 mm 45 x 92 mm 3 terminal screw clamp connector 0 13 mm 2 5 mm AWG 26 14 3 0 3 1 3 2 MECHANICAL ASSEMBLY AND INSTALLATION SAFETY CONSIDERATIONS To ensure safe operation follow the guidelines below VISUAL INSPECTION Do not attempt to operate the instrument if damage is found SIGNAL WIRING Insert the proper plus and minus signal wires into the plug in screw clamp connector terminals marked plus and minus Ensure that the wires are securely clamped in the plug in connector by rotating the screws in the plug in connector clockwise but do not exceed a torque of 5 newton meter 37 pound foot Then plug the connector firmly into the socket located on the rear panel of the meter RAIN OR MOISTURE Do not expose the instrument to condensing moisture INTRINSIC SAFETY PARAMETERS FOR FM FACTORY MUTUAL Certificate No 2Y4A4 AX V max 12 5
12. one S1 H S1 J S1 B S1 C S1 A S1 D S2 E S2 D S2 C S2 B S2 F S2 A S2 G S2 H S2 J S2 A S1 G S1 F None S1 E BOR BH C B J E G S1 EHE HH R SPAN ADJ 031 HHHs1 VRID 9941482 ZERO ADJ VRO u 1 E E E 1 7 HH AH J F C D G NO HEE Figure 5 1 Main Board Jumper Locations 6 0 CUSTOMER CONFIGURATION AND CALIBRATION 6 1 Use this procedure to determine the configuration of the TX82B customized setup The procedure is general customers can specify any two current inputs and their corresponding digital readings Pin groups are shown in Figure 5 1 FORMULA Base all your calculations on either the 1 5 4 20 or 10 50 mA range 1 Determine the lowest input current 11 which is specified by the customer mA 2 Determine the highest input current 12 which is specified by the customer 12 mA 3 Determine the reading N1 at input current 11 which is specified by the customer N1 counts 4 Determine the reading N2 at input current 12 which is specified by the customer N2 counts 5 Calculate the Gain G1 N2 N1 _ 2 1 counts mA If G1 is greater than 125 it is out of range for a standard unit 6 Calculate the Required Zero Range number RZR N1 11 x G1 7 Select the Zero Range required from the following chart where the Required Zero Range number falls between the upper and lower limits of that range Z
13. shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult OMEGA following information available BEFORE for current repair charges Have the following contacting OMEGA information available BEFORE contacting OMEGA 1 PO number under which the product was 1 number to cover the COST PURCHASED of the repair 2 Model and serial number of the product under 2 Model and serial number of product and warranty and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA s policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC O Copyright 2003 OMEGA ENGINEERING INC All rights reserved This document may not be copied photocopied reproduced translated or reduced to any electronic medium or machine readable form in whole or in part without prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything I Need for M1060 0303 Process Measurement and Control OMEGA Of Course Shop on line at www omega com TEMPERATURE Pag Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies 14 Wire Thermocouple RTD amp Thermistor A Calibra
14. tors amp Ice Point References A Recorders Controllers amp Process Monitors 14 Infrared Pyrometers PRESSURE STRAIN AND FORCE IA Transducers amp Strain Gauges Load Cells amp Pressure Gauges 14 Displacement Transducers 14 Instrumentation amp Accessories FLOW LEVEL U4 Rotameters Gas Mass Flowmeters amp Flow Computers 14 Air Velocity Indicators 14 Turbine Paddlewheel Systems lA Totalizers amp Batch Controllers pH CONDUCTIVITY pH Electrodes Testers amp Accessories 14 Benchtop Laboratory Meters BF Controllers Calibrators Simulators amp Pumps 14 Industrial pH amp Conductivity Equipment DATA ACQUISITION 14 Data Acquisition amp Engineering Software 14 Communications Based Acquisition Systems 14 Plug in Cards for Apple IBM amp Compatibles 14 Datalogging Systems 4 Recorders Printers amp Plotters HEATERS 14 Heating Cable 14 Cartridge amp Strip Heaters 14 Immersion amp Band Heaters 14 Flexible Heaters 14 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL 14 Metering amp Control Instrumentation A Refractometers 14 Pumps amp Tubing A Air Soil amp Water Monitors BF Industrial Water amp Wastewater Treatment 14 pH Conductivity amp Dissolved Oxygen Instruments 10579ML 99 J
15. uthorized Return AR number immediately upon phone or written request Upon examination by OMEGA if the unit is found to be defective it will be repaired or replaced at no charge OMEGA s WARRANTY does not apply to defects resulting from any action of the purchaser including but not limited to mishandling improper interfacing operation outside of design limits improper repair or unauthorized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of being damaged as a result of excessive corrosion or current heat moisture or vibration improper specification misapplication misuse or other operating conditions outside of OMEGA s control Components which wear are warranted including but not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various products However OMEGA neither assumes responsibility for any omissions or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA either verbal or written OMEGA warrants only that the parts manufactured by it will be as specified and free of defects OMEGA MAKES NO OTHER WARRANTIES OR REPRESENTATIONS OF ANY KIND WHATSOEVER EXPRESSED OR IMPLIED EXCEPT THAT OF TITLE AND ALL IMPLIED WARRANTIES INCLUDING ANY WARRANTY OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE HEREBY DISCLAIMED LIMITATION OF L
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