Manuals - OMEGA Engineering
Contents
1. S ME CE er Gude Shop online at omega com SEOMEGA omega com e mail info omega com For latest product manuals omegamanual info DRF POT FOR POTENTIOMETER INPUT DRF RES FOR RESISTANCE INPUT DRF Series Signal Conditioners omega conY SEOMEGA OMEGAnet On Line Service Internet e mail omega com info omega com Servicing North America U S A ISO 9001 Certified Canada One Omega Drive Box 4047 976 Bergar Stamford CT 06907 0047 Laval Quebec H7L 5A1 Canada Tel 203 359 1660 Tel 514 856 6928 FAX 203 359 7700 FAX 514 856 6886 e mail info omega com e mail info omega ca For immediate technical or application assistance U S A and Canada Mexico Sales Service 1 800 826 6342 1 800 TC OMEGA En Espanol 001 203 359 7803 Customer Service 1 800 622 2378 1 800 622 BEST FAX 001 203 359 7807 Engineering Service 1 800 872 9436 1 800 USA WHEN e mail espanol omega com TELEX 996404 EASYLINK 62968934 info omega com mx CABLE OMEGA Servicing Europe Benelux Germany Austria Postbus 8034 1180 LA Amstelveen Daimlerstrasse 26 D 75392 The Netherlands Deckenpfronn Germany Tel 31 0 20 3472121 FAX 31 0 20 6434643 Tel 49 0 7056 9398 0 Toll Free in Benelux 0800 0993344 FAX 49 0 7056 9398 29 e mail sales omegaeng nl Toll Free in Germany 0800 639 7678 Czech Republic e mail info omega de Frystatska 184 733 01 Karvina Czech2. Printers amp Plotters HEATERS l Heating Cable lA Cartridge amp Strip Heaters l Immersion amp Band Heaters l Flexible Heaters l Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL A Metering amp Control Instrumentation lA Refractometers lA Pumps amp Tubing LA Air Soil amp Water Monitors lA Industrial Water amp Wastewater Treatment lA pH Conductivity amp Dissolved Oxygen Instruments M4138 1008
3. Republic United Kingdom ISO 9002 Certified Tel 420 0 59 6311899 One Omega Drive FAX 420 0 59 6311114 River Bend Technology Centre Toll Free 0800 1 66342 Northbank Irlam e mail info omegashop cz Manchester M44 5BD France United Kingdom 11 rue Jacques Cartier Tel 44 0 161 777 6611 78280 Guyancourt France FAX 44 0 161 777 6622 Tel 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in United Kingdom Toll Free in France 0800 466 342 0800 488 488 e mail sales omega fr e mail sales omega co uk It is the policy of OMEGA Engineering Inc 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 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 human applications 0 INDEX 1 GENERAL INFORMATION 4 2 INSTALLATION sunget 5 3 DIMENSIONS AND CONNECTIONS 6 4 SIGNAL INPUT JUMPERS olee 7 5 SIGNAL OUTPUT JUMPERS ossee 8 6 READJUSTINGINPUT OUTPUT 8 7 TECHNICAL DATA isis ete rote ates 9 INPUT SIGNAL forPOTENTIOMETER 9 INPUT SIGNAL for RESISTANCE 9 OUTPUT SIGNAL in V
4. BB JJ BS JJ u i J9 ae J11 JJ JJ J12 5 SIGNAL OUTPUT JUMPERS __ The position of the output jumpers selects the range for the output signal as indicated below 4 20 mA 0 20 mA 0 10 Vpc IMPORTANT Opening the front cover may grant access to areas with dangerous voltages Operations must be performed by qualified technical staff A 6 READJUSTING INPUT OUTPUT To change the input output relation of the instrument proceed as indicated below Following values in brackets are examples for readjusting the input output relation of the instrument to 0 100 0 10 Vdc and input type potentiometer 1 Open the front cover 2 Select the required input jumpers Section 4 page 6 3 Selectthe required output jumpers Section 5 page 7 4 Connect a potentiometer to the input terminals Section 3 page 5 5 Connect a multimeter to the output terminals 4 and 5 for mA or 4 and 6 for Vdc 6 Generate the low input signal 0 Operate the OFFSET potentiometer until the low output value is reached 0Vdc 7 Generate the high input signal 100 Operate the SPAN potentiometer until the high output value is reached 10Vde 8 Repeat 6 and 7 to improve the accuracy until it reaches its specified value 9 Close the front cover 7 TECHNICAL DATA INPUT SIGNAL for POTENTIOMETER RANGES 0 100 0 50 0 25 0 12 5 POTENCIOMETER VALUES Minimum 100 Ohms Maximum 1MOhm
5. POTENTIOMETER EXCITATION TO MEASURE 1 Vdc INPUT SIGNAL for RESISTANCE RANGES 0 10 KOhms 0 5 KOhms 0 3 KOhms 0 1 5 KOhms RESISTANCE EXCITATION TO MEASURE 0 2 mA MAXIMUM VOLTAGE ON INPUT TERMINALS 15 Vdc differential OUTPUT SIGNAL in Vdc RANGES 0 10Vdc 0 1Vdc Maximum Output 11Vdc aprox Minimum Output 1Vdc aprox Minimum Load gt 1KOhm OUTPUT SIGNAL in mA RANGES 0 20mA 4 20mA Maximum Output 22mA aprox Minimum Output 1 5mA aprox MaximumLoad lt 400 Ohms MATERIALS Box and Cover in Poliamide PA6 UL94 V 2 blue color Terminals in Poliamide UL94 V 0 POWER SUPPLY DC Power AC Power 24Vdc 10 230Vac 10 50 60 Hz 115Vac 10 50 60 Hz Consumption lt 3 8VA MECHANICAL DIMENSIONS DC Power 22 5x93x110mm 120 gr AC Power 37 0x93x110 mm 200 gr DIN rail mounting DIN46277 DINEN 50022 37 5x7 5 MM 1 38x0 3 GALVANIC ISOLATION DC Powered Units Input Output 3K5 60 seconds Power Input 3K5 60 seconds Power Output 1KV 60 seconds AC Powered Units Input Output 3K5 60 seconds Power Input 3K5 60 seconds Power Output 3K5 60 seconds Tested during 60 seconds Vac TrueRMS current leak lt 1mA Levels also named STRENGTHENED ISOLATION for systems with Polution Level 2 GENERAL SPECIFICATIONS Accuracy lt 0 2 F S Linearity lt 0 1 F S Thermal Drift 250 ppm C Typical Response time lt 70mS 3Hz 3dB 90 of signal Warm Up Time 15 minutes Connections Plug in Screw T
6. cts 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 the company 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 misused in any way OMEGA assumes no responsibility as set forth in our basic WARRANTY DISCLAIMER language and additio
7. dc oiee 9 OUTPUT SIGNAL in MA ooie 9 MATERIALS Que 9 POWER SUPPLY Lanser 9 MECHANICAL DIMENSIONS 9 GALVANIC ISOLATION ose 9 GENERAL SPECIFICATIONS 9 8 CAUTIONS WARNINGS AND NOTES 10 SAFETY CONSIDERATIONS PRESCRIPTION Before starting any operation for replacement maintenance or repair the unit must be disconnected from any kind of power supply Keep the unit clean to assure good functioning and performance To prevent electrical or fire hazard do not expose the unit to excessive moisture Do not operate the unit in the presence of flammable gases or fumes such an environment definetely constitutes a safety hazard The unit is designed to be mounted on a metal panel If the unit shows signs of damage is not able to show the expected measures has been stored in a bad conditions or a protection failure happened then do not attempt to operate keep the unit out of service and send for repair IN CASE OF FIRE 1 Disconnect the unit from the power supply 2 Give the alarm according to the local rules 3 Switch off all air conditioning devices 4 Attack the fire with carbonic VAN A snow do not use water in any case WARNING In closed areas do not use systems with vaporized liquids 1 GENERAL INFORMATION The DRF series of lsolated Signal Converters allow to convert process signals temperatures electrical signals etc to c
8. e instrument input output and power Recalibration of the instruments is realized in a fast and easy way Opening the front cover grants access to the configuration jumpers Additional Span and Offset potentiometers are directly accessible from the frontal part These potentiometers are highly decoupled minimizing the iterations needed to obtain a correct adjustment In order to obtain a higher and quickest benefit of the DRF units we recommend you to read carefully the information provided in this manual before proceeding to the installation of the instrument In this manual you will find all technical data both electrical and mechanical needed for a correct instalation and utilization Note The DRF Isolated Signal Converter instruments have a characteristics label attached on the side of the instrument Check that the information indicated on the label matches with your application requirements and specially check that the value and type of the power supply needed matches the value and type of the power supply availble on your installation 2 INSTALLATION Before installing the instrument check the characteristics label attached to the side of the unit Specially check that the value of the power supply needed matches the power supply available on your installation The characteristics label also indicates the input output signal relation for the instrument Remember to take note of the new input output relation
9. electric noise or magnetic fields such as power relays electrical engines speed regulators etc Do not use until installation is completed POWER SUPPLY The power supply must be connected to the adequate terminals 1 2 and 3 The characteristics of the power supply are shown on the side label Please make sure that the unit is correctly connected to a power supply of the correct voltage and frequency Do not connect the unit to lines which are overloaded or which provide power to systems working on ON OFF cycles or inductive loads ATTENTION For instruments which are DC powered respect the polarity of the power terminals as indicated on this user s manual and on the instrument itself SIGNAL WIRING Certain considerations must be given when installing the signal input wires If the wires are long they can act as an antenna introducing electrical noise into the unit Therefore Do not install the signal input wires in the same conduit with power lines heaters solenoids SCR controls etc and always far from these elements When shielded wires are used leave unconnected the shield on the transmitter side and connect the other end of the shield to the ground terminal of the machine EXCITATION VOLTAGE Model DRF PR incorporates an internal power supply for transducers The output of this power supply is connected to terminals 7 and 9 Do not connect these terminals to an external power supply beacuse b
10. erm Max Wire Section 2 5mm Protection IP 30 Operating Temp 0 to 60 C Storage Temp 20 to 70 C 8 CAUTIONS WARNINGS AND NOTES INSTALLATION PRECAUTIONS The installation and the future use of this unit must A A be done by qualified personnel The unit has not AC mains switch neither internal protection fuse It will be in operation as soon as power is connected The installation must incorporate an external mains switch with a protection fuse and also the necessary devices to protect the operator and the process when using the unit to a control machine or process where injury to personnel or damage to equipment or process may occur as a result of failure of the unit RECOMMENDED FUSES 24Vdc 230Vac 115Vac 250mA 70mA 100mA Time lag Time lag Time lag SAFETY PRESCRIPTIONS The unit has been designed and tested under EN 61010 1 rules and is delivered in good conditions This User s Manual contains useful information the user has to respect in order to warrant a proper function of the unit and good security conditions The unit is designed for internal applications with good ventilation to avoid excessive heating It can occasionally be applied to temperatures down to 10 C or up to 70 C without security degradation Do all connections before applying power to the unit Do not make wiring changes until power is disconnected from the unit Install the unit far from elements generating
11. if you proceed to readjust the instrument To access the selection jumpers for input and output ranges and the Span and Offset potentiometers slightly press the A A points of the front cover as indicated on Figure OUTPUT JUMPERS OUTPUT Pot SPAN Pot OFFSET INPUT INPUT JUMPERS 987 FIGURE 1 FIGURE 2 mr FRONT COVER we FIGURE 3 The instrument must be installed in such a way that it remains in vertical position as indicated on Figure4 To help dissipate the heat a free space of 2mm must be left available on both sides of the instrument ll 2mm FIGURE 4 IMPORTANT Opening the front cover may grant access to areas with dangerous voltages Operations must be performed by qualified technical staff 3 DIMENSIONS AND CONNECTIONS Output Connections Input Connections HOUSING WIDTH FOR AC POWERED INSTRUMENTS VOUT OUTPUT CABLE SHIELD CONNECTIONS FOR CONNECTIONS FOR POTENTIOMETER RESISTANCE DC PowereD AC POWERED CONNECTIONS CONNECTIONS 9mm 4 SIGNAL INPUT JUMPERS The position of the input jumpers selects the range forthe input signal as indicated below DRF POT Input signal ranges for Potentiometer measure J11 J12 10099 509 25 12 5 J7 7 a J8 s BEG J9 J9 J10 J10 J11 J11 J12 J12 JJ DRF RES Input signal ranges for Resistance measure 10 KOhms 5 KOhms 3 KOhms 1 5 KOhms s Sa a J7 s Ea J8 JJ J10
12. nally 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 PRO CESSING 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 insur ance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have the FOR NON WARRANTY REPAIRS consult following information available BEFORE contacting OMEGA for current repair charges Have the OMEGA following information available BEFORE con 1 Purchase Order number under which the tacting OMEGA product was PURCHASED 1 Purchase Order 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 the product and 3 Repair instructions and or specific problems 3 Repair instructions and or specific problems relative to the product relative to the product OMEGA ss policy is to make running changes not model changes whenever an improvement is possible This affords our customers the latest in technology and engineeri
13. ng OMEGA is a registered trademark of OMEGA ENGINEERING INC Copyright 2005 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 the prior written consent of OMEGA ENGINEERING INC Where Do I Find Everything I Need for Process Measurement and Control OMEGA Of Course Shop online at omega com TEMPERATURE l Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies A Wire Thermocouple RTD amp Thermistor A Calibrators amp Ice Point References A Recorders Controllers amp Process Monitors A Infrared Pyrometers PRESSURE STRAIN AND FORCE A Transducers amp Strain Gages lA Load Cells amp Pressure Gages A Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL 4 Rotameters Gas Mass Flowmeters amp Flow Computers lA Air Velocity Indicators A Turbine Paddlewheel Systems A Totalizers amp Batch Controllers pH CONDUCTIVITY A pH Electrodes Testers amp Accessories A Benchtop Laboratory Meters l Controllers Calibrators Simulators amp Pumps A Industrial pH amp Conductivity Equipment DATA ACQUISITION A Data Acquisition amp Engineering Software lA Communications Based Acquisition Systems A Plug in Cards for Apple IBM amp Compatibles A Datalogging Systems A Recorders
14. oth units will be permantently damaged Page 10 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 s 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 ss customers receive maximum coverage on each product If the unit malfunctions it must be returned to the factory for evaluation OMEGA 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 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 unautho rized modification This WARRANTY is VOID if the unit shows evidence of having been tampered with or shows evidence of having been 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 in which wear is not warranted include but are not limited to contact points fuses and triacs OMEGA is pleased to offer suggestions on the use of its various produ
15. urrent loops or voltage signals for further retransmision while introducing into the system galvanic isolation barriers between the input the output and the power supply circuits The DRF series of Isolated Signal Converters offer an excellent relation between signal conversion speed and measurement accuracy Offering a0 2 accuracy and up to a 70ms response time depending on the model these units can process information coming from probes or transducers in such a way that can be quickly retransmitted ina fast and accurate form to remote data acquisition systems or PLC s The isolated signal converters of the ISC series are ideal to integrate into 12 bit data acquisition systems Its powerful galvanic isolation of 3 500 V introduces high security to the measuring systems preventing the propagation of those phenomenon which usually cause damage to the remote system such as transient peaks or energy shocks in any of the circuits of the system The galvanic isolation also acts as astrong CE barrier The decoupling created between the input output and power circuits avoids pernicious effects on the output such as ground loops or signal leaks which distort the acquired data and are extremely difficult to isolate once introduced into the signal The isolation offered by the DRF series of Isolated Signal Converters is a 3 way isolation Thus all the benefits exposed above are applicable to any of the three circuits composing th
Download Pdf Manuals
Related Search