Omega Vehicle Security DRA-RTM-8 User's Manual
Contents
1. User s Guide fs E GA http www omega com e mail info omega com p DRA RTM 8 ANALOG MULTIPLEXER EOMEGA OMEGAnet On Line Service Internet e mail http www omega com info omega com Servicing North America USA One Omega Drive Box 4047 Canada 976 Bergar 150 9001 Certified Stamford CT 06907 0047 Laval Quebec H7L 5A1 Tel 203 359 1660 Tel 514 856 6928 FAX 203 359 7700 FAX 514 856 6886 e mail info omega com e mail canada omega com For immediate technical or application assistance USA and Canada Sales Service 1 800 826 6342 1 800 TC OMEGASM Mexico and Latin America Benelux Czech Republic France Germany Austria United Kingdom 150 9002 Certified Customer Service 1 800 622 2378 1 800 622 BESTSM Engineering Service 1 800 872 9436 1 800 USA WHENS M TELEX 996404 EASYLINK 62968934 CABLE OMEGA Tel 95 800 TC OMEGASM FAX 95 203 359 7807 En Espanol 95 203 359 7803 e mail espanol omega com Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 20 6418405 FAX 31 20 6434643 Toll Free in Benelux 06 0993344 e mail nl omega com Ostravska 767 733 01 Karvina Tel 42 69 6311899 FAX 42 69 6311114 e mail czech omega com 9 rue Denis Papin 78190 Trappes Tel 33 130 621 400 FAX 33 130 699 120 Toll Free in France 0800 4 0632. POWER TWO WIRE SUPPLY TRANSMITTER 22 26VDC 6 1 TWO WIRE TRAN SM ITTER A Two W ire transmitter is connected so that its positive terminal is connected to the positive terminal of the power supply and its negative terminal is connected to the I terminal see fig 2 Figure 2 e ed POWER SUPPLY 22 26VDC 4 WIRE TRANSMITTER 6 2 FOUR WIRE TRAN SM Nb SU A Four W ire transmitter is connected so that its positive terminal is connected to the I terminal and its negative terminal is connected to the PULL terminal see fig 3 Hee fel fel 1 el DL E RID MULTIPLEXER RTM 8 Figure 3 7 CONNECTING 100 TO THE MULTIPLEXER NL The Pt 100 probe should be connected according to fig 4 The three wires connecting the probe should be identical Dood The distance of the probe can be up to 200 meters E A shielded cable is recommended e The shield should be grounded atone point W hen possible connect the ground at multiplexer s 7 92 5 9 en DODD Figure 4 SOOO eX 8 CONNECTING THE DRA RTM 8 TO A PLC x The multiplexer output should be connected to 4 20mA input of the PLC analog module see fig 5 The DRA RTM 8 multiplexer generates the output current therefore the PLC ana
3. ac ANALOG FEES FEES A lp 69606000000000000000900 fp 0000000000000000900900 MODULE cane uae DISCRETE pied d OUTPUT i T nonu Figure 7 12 SPECIFICATIO N S ANALOG INPUTS RTD IN PUT Zero adjustability Span adjustability Lead Compensation Error Max Lead Resistance 100 linearization CURRENT IN PU Max Input Current Reverse Polarity Protection CONTRO LIN PUTS Logic Logic Levels OUTPUT SW ITCHING TIME N DICATO RS SUPPLY VO LTAG E SUPPLY CURRENT CONSUMPTION FUSE EM PERATURE STABILITY OPERATING TEM PERATURE STO RAGE TEM PERATURE HUMIDITY HOUSING Box erminal WEIGHT DIMEN SIONS Output Accuracy Refer to Current Input 8 Pt 100 Channels 0 00385 8 0 4 20mA Channels 50 to 4200 50 to 750 C 0 025 C for 100 lead resistance 1200 two ways 0 1 of span max 30 mA Yes 0 196 of span max 4 Address 1 Enable input rue High or True Low User selectable Low 0 0 5V High 5 1 60V 4 20mA Current Loop 20pSec into a resistive load 1 Yellow LED Power O n indicator 8 Red LEDs current activity indicators 24 10 regulated 120 mA 10mA 150 mA Fast Blow 5x20mm 0 0196 of span 1 0 to 60 C 32 to 140 F 25 to 85 C 13 t
4. CALIBRATIO N 10 1 Calibration Procedure 10 2 Calibration Tables 10 2 1 ZERO Coarse Calibration Tables 10 2 2 SPAN Coarse Calibration Tables MULTIDRO P CONFIGURATIO N SPECIFICATIO N S 1 GENERAL DESCRIPTIO N The DRA RTM 8 is a multiplexer for 16 analog inputs eight of which marked 1 8 are direct inputs for 100 sensors while the remaining 9 16 are for 4 20mA current loops The 8 output formatis 4 20mA current loop with 28mA limitation Each Pt 100 input has its own signal conditioner allowing each inputto be calibrated separately Each signal conditioner includes six DIP switches for coarse calibration and two potentiometers for fine tuning 2 MOUNTING INSTRUCTIONS The 8 is designed for standard DIN rail mounting Place the uniton the upper part of the mounting rail with the fastening tab facing down Using a suitable flat screwdriver loosen the tab slightly and attach the unit to the rail O nce the tab is loosened ensure thatthe unit is fastened securely in place 3 REPLACIN G FUSES To replace a blown fuse disassemble the unitas follows a Take off both terminal strips by removing the four screws atthe edges Note This does not require disconnecting the cables connected to the strips b Remove the front panel using a suitable flat screwdriver Press down gently on the plastic springloaded tabs located in the slots on either side of the unit
5. amp Compatibles Datalogging Systems 24 Recorders Printers amp Plotters HEATERS Heating Cable Cartridge amp Strip Heaters 4 Immersion amp Band Heaters L Flexible Heaters 24 Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL A Metering amp Control Instrumentation 4 Refractometers 2 Pumps amp Tubing A Air Soil amp Water Monitors 4 Industrial Water amp Wastewater Treatment A pH Conductivity amp Dissolved Oxygen Instruments M2614 0197
6. Xx 0 TESTMODE Note The unit includes three internal potentiometers These potentiometers are carefully adjusted and sealed in the factory It is not recommended to alter these calibration potentiometers 10 CALIBRATION To calibrate DRA RTM 8 the limits must be defined Tmin is the temperature at which the output current is 4mA Tmax is the temperature at which the output currentis 20mA Tspan is the difference between Tmax and Tmin 10 1 CALIBRATION PRO CEDURE a Remove the terminal strips to get access to the coarse calibration switches b Set the channels DIP switches to the desired calibration ranges according to the calibration tables c Re install the terminals strips The terminal strips are polarized and should be returned to their original position d Connecta 100 calibrator set for Tmin to the proper input terminals e Apply the proper channel selection code by connecting those which according the table should be 1 to the PW R terminal f Start calibrating by adjusting the proper 7 potentiometer to obtain an output current of 4 000mA g Set the calibrator for Tmax and adjust the S potentiometer to obtain an output current of 20 000mA h Repeat this procedure until satisfactory results are obtained i Change the address to the next channel to be calibrated j Repeatsteps b toh The calibrator is set according to DIN 43760 100 table a 0 00385 10 2 CAUBRATION
7. c Disconnect the flat connectors which connects the front panel printed circuit d Replace the blown fuse WARNING Never install a fuse rated more than 800mA 4 ASSEM BLY The RTM 8 unit includes two printed circuit cards designated as 7020 and 7021 The two printed circuit cards should occupy the slots in the enclosure according to fig 1 7020 Insert the two printed cards into their slots AL Connect the flat cable between them te Gel ed Ge SE Connect the front panel flat cables The panel must be inserted into the grooves on both sides of the case while pressing down until a distinct click is heard Assembly is m QC x RSQ completed by laying the terminal strips I 35 place 7021 Figure 1 Note The terminal strips are polarized and must not be placed backwards 5 CURRENT IN PUTS The eight 4 20mA current inputs are marked as channels 9 16 These inputs are for current only The input is the return for all the current channels It is possible to connect any current source as long as a closed loop is maintained WARNING Voltage sources should not be connected to the current inputs as permanent damage might occur 6 CONNECTING TRANSMITTERS TO THE MULTIPLEXER
8. 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 DEPARTM ENT 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 shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WA RRANTY REPAIRS consult ollowing information available BEFORE contacting OMEGA for current repair charges Have the OMEGA following information available BEFORE number under which the product was contacting OMEGA PURCHASED 1 number to cover the COST 2 Model and serial number of the product under of the repair warranty and 2 Model and serial number of product and 3 Repair instructions and or specific problems 3 Repair instructions and or specific relative to the product problems relative to the product OMEGA s policy is to make running changes not model changes whenever an i
9. 42 e mail france omega com Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 07056 3017 FAX 49 07056 8540 Toll Free in Germany 0130 11 21 66 e mail germany omega com 25 Swannington Road P O Box 7 Omega Drive Broughton Astley Leicestershire Irlam Manchester LE9 6TU England M44 5EX England Tel 44 1455 285520 Tel 44 161 777 6611 FAX 44 1455 283912 FAX 44 161 777 6622 Toll Free in England 0800 488 488 e mail uk omega com rum e HET RC EN r ES mE It is the policy of OMEGA to comply with all worldwide safety and EMC EMI regulations that apply OMEGA is constantly pursuing certification of its products to the European New Approach Directives OMEGA will add the CE mark to every appropriate device upon certification The information contained in this document is believed to be correct but OMEGA Engineering Inc accepts no liability for any errors it contains and reserves the right to alter specifications without notice WARNING These products are not designed for use in and should not be used for patient connected applications Contents 10 11 12 GEN ERA L DESCRIPTIO N MOUNTING INSTRUCTIONS REPLACING FUSES ASSEM BLY CURREN T IN PUTS CONNECTING TRANSMITTERS TO THE MULTIPLEXER CONNECTING Pt 100 TO THE MULTIPLEXER CONNECTING THE MULTIPLEXER TO A PLC CONTROL Enable Address ob 2 3 Address Polarity 4 Control Tables
10. TABLES Note Logic state of 0 is when the DIP switch lever is down 10 2 1 ZERO COARSE CALIBRATION TABLES CHANNELS 1 4 CHANNELS 5 8 ZERO TEMP 54 6 54 5 SW4 SW1 SW2 5 3 50 10 1 1 1 1 8 75 01 1 1 74 140 110 1 110 4 139 206 0 0 1 0 0 1 205 272 1 1 0 1 6 50 270 338 0 1 0 1 336 404 1 0 0 11 0 0 401 470 10 2 2 SPAN COARSE CALIBRATION TABLES CHANNELS 1 4 CHANNELS 5 8 SPAN C SW 1 SW2 5SW3 SW 6 SW5 SW4 50 76 1 4 1 1 1 1 65 115 1 0 1 110 1 110 180 0 1 1 135 225 1 0 215 440 0 0 1 0 0 1 400 800 11 MULTIDRO P CONFIGURATION In the disabled state E 0 the multiplexer outputs no current and exhibits a high 7 state This mode allows the connection of several 8 units to one PLC s analog input by tying their outputterminals and the address lines in parallel and applying individual Enable lines to select the desired multiplexer by disabling all but one see fig 7 Power SUPPLY 22 aec Hanos P 9 P eceeceocoecocoeeecoceoco 9 ANALOG EUF EUF EEY RIP WEEE DT ur EEF CET CET
11. TY see fig 6 Address polarity is controlled by three internal pins and jumper over two of them located on PN 7021 printed circuit board accessible behind the Enable terminal The unit is supplied with the jumper set for true high control logic i e 0000 selects channel 1 and 1111 selects channel 16 Moving the jumper to the second alternative reverses the logic Note If the address contros voltages are generated from different power supplies then its negative terminal should be connected to the DRA TM 8 s COM terminal 9 4 CONTROL TABLES 9 4 1 TRUE LOW SETTING ADDRESS BUS OUTPUT ADDRESS BUS E OUTPUT 2 A1 A0 CHANN EL 2 CHANNEL 010 00 1 16 1 olo 1 8 10 0 1 1 15 1 1 7 0 1011 0 1 14 1 6 1011 1 1 13 1 5 1 12 1110 1 4 1 1 11 1 15011 1 3 0 1111 0 1 10 1 1 1 0 1 2 0 11 1 1 1 9 1 1 x x x x 0 OUTPUT x Xxx 0 OUTPUT 9 4 2 TRUE HIGH SETTING ADDRESS BUS OUTPUT ADDRESS BUS OUTPUT A3 A2 A1 A0 CHANNEL 2 1 CHANNEL 0000 1 1 110000 1 9 0 10 10 1 1 2 1001 1 10 0010 1 3 1010 1 11 0011 1 4 1011 1 12 0100 1 5 1100 1 13 0101 1 6 1101 1 14 0110 1 7 1110 1 15 1 8 1111 1 16 x x x x 0 TESTMODE xX x x
12. ed 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 LIABILITY 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
13. log module should be configured for four wire transmitter connection WARNING NEVER apply 24Vdc to the DRA RTM 8 s 10 terminal as in two wire connection and make sure that the PLC s analog module is configured as a passive input 9 CONTROL POWER SUPPLY The DRA RTM 8 unitis controlled via four Lomas address lines and one E Enable line The control terminals A ddress and Enable were designed to receive control signals from TTL levels up to 60V so that ANALOG ANALOG PLC ANALOG almost any PLC s DC output module 20770 be used see fig 5 a ENABLE MSB DESCRETE Figure 5 US wopue 9 1 ENABLE The unitis enabled when a logical 1 5V E lt 60V is connected to the E Terminal In a disabled state the DRA RTM 8 outputs no current and reflects a Hi Z state This feature allows the connection of several 8 units by tying their outputs and control in parallel and addressing them by controlling the individual Enable terminals 9 2 ADDRESS TRUE HIGH TRUE LOW The required channel is selected by 772 four address lines 3 The operating voltages are ES E Logical 1 5V Vi 60V zm Logical 0 OV Vi 0 5V eee 9 3 ADDRESS POLARI
14. mprovement is possible This affords our customers the latest in technology and engineering OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 1996 OMEGA ENGINEERING INC 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 Find Everything Need for Process Measurement and Control OMEGA Of Course TEMPERATURE 4 Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies A Wire Thermocouple RTD amp Thermistor A Calibrators amp Ice Point References 4 Recorders Controllers amp Process Monitors A Infrared Pyrometers PRESSURE STRAIN AND FORCE 4 Transducers amp Strain Gauges A Load Cells amp Pressure Gauges 4 Displacement Transducers 2 Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers A Air Velocity Indicators 4 Turbine Paddlewheel Systems 24 Totalizers amp Batch Controllers pH CONDUCTIVITY 4 pH Electrodes Testers amp Accessories 4 Benchtop Laboratory Meters 2 Controllers Calibrators Simulators amp Pumps A Industrial pH amp Conductivity Equipment DATA ACQUISITION Data Acquisition amp Engineering Software Communications Based Acquisition Systems L Plug in Cards for Apple
15. o 185 F 5 to 95 Relative humidity non condensing Plastic Polycarbonate According to IP50 DIN 40050 According to IP20 DIN 40050 0 9 Kg 2 0 73HX200W x121mmD 2 88 x7 88 x4 76 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 OM EGA s customers receive maximum coverage on each product If the unit should malfunction it must be returned to the factory for evaluation OM EGA s Customer Service Department will issue an Authorized 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 OM EGA 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 OM EGA s control Components which wear are not warrant
Download Pdf Manuals
Related Search