Omega Engineering DIN-190 User's Manual
Contents
1. 191 amp DIN 192 USERS MANUAL The DIN 191 female RS 232 connector utilizes five connections Transmit pin 2 Receive pin 3 Ground pin 5 Data Set Ready DSR pin 6 Clear To Send CTS pin 8 Both the Data Set Ready DSR input pin 6 and Clear To Send CTS input pin 8 are internally biased to their active state thru a 330 resistor to 5Vdc To easily connect to any host PC computer a straight thru RS 232 cable can be used The RS 232 input Ground and signals are isolated by up to 500VRMS from the power supply ground Cable CA 1 is a male to male DB 9 communications cable available for purchase from us GHD B 5VDC iR DATA iG DATA LT Figure 1A Connections for DIN 191 An RS 485 repeater is necessary to extend the length of an RS 485 network or connect more than 32 RS 485 devices on an RS 485 network The DIN 192 repeater contains a seven pin screw terminal plug The pin designations are located on the label of each module The screw terminals will accept up to 14 gauge wire AWG This connector is used for 5 0Vdc regulated power supply input and both pairs of RS 485 data lines The isolated RS 485 input data lines are clearly marked and their ground reference is isolated by up to 500VRMS from the power supply ground The isolated RS 485 input data lines should be attached to the end of an existing RS 485 network The serial data received on the DIN 191 amp DIN 192 USERS MANUAL 6 isolated RS 485 input data line2. 33 0 1 61 37 2900 FAX 33 0 1 30 57 5427 Toll Free in France 0800 466 342 e mail sales omega fr Daimlerstrasse 26 D 75392 Deckenpfronn Germany Tel 49 0 7056 9398 0 FAX 49 0 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 0 161 777 6611 FAX 44 0 161 777 6622 Toll Free in United Kingdom 0800 488 488 e mail sales omega co uk It is the policy of OMEGA Engineering Inc to comply with all worldwide safety and EMC EMII 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 DIN 191 and DIN 192 SERIES CONVERTER BOXES USERS MANUAL REVISED 10 30 00 Omega Engineering One Omega Drive P O Box 4047 Stamford CT 06907 Phone 1 800 DAS IEEE Fax 203 359 7990 e mail das omega com www omega com The information in this publication has been carefully checked and is believed to be accurate however no responsibility is assumed for possible inaccuracies or omis
3. CONDUCTIVITY lA pH Electrodes Testers amp Accessories lA Benchtop Laboratory Meters lA Controllers Calibrators Simulators amp Pumps A Industrial pH amp Conductivity Equipment DATA ACQUISITION lA Data Acquisition amp Engineering Software lA Communications Based Acquisition Systems lA Plug in Cards for Apple IBM amp Compatibles lA Datalogging Systems l Recorders Printers amp Plotters HEATERS lA Heating Cable lA Cartridge amp Strip Heaters lA Immersion amp Band Heaters lt Flexible Heaters l Laboratory Heaters ENVIRONMENTAL MONITORING AND CONTROL lA 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 M3648 0605
4. MADE IN 1 YEAR HSA CE WARRANTY Shop online at omega com CE OMEGA omega com e mail info omega com For latest product manuals omegamanual info DIN 190 and DIN 192 Series Converter Boxes omega com CE OMEGA OMEG Anet Online Service Internet e mail omega com info omega com U S A ISO 9001 Certified Canada Servicing North America One Omega Drive 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 Canada Tel 514 856 6928 FAX 514 856 6886 e mail info omega ca For immediate technical or application assistance U S A and Canada Mexico 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 En Espafiol 001 203 359 7803 e mail espanol omega com FAX 001 203 359 7807 info omega com mx Servicing Europe Postbus 8034 1180 LA Amstelveen The Netherlands Tel 31 0 20 3472121 FAX 31 0 20 6434643 Toll Free in Benelux 0800 0993344 e mail sales omegaeng nl Frystatska 184 733 01 Karvina Czech Republic Tel 420 0 59 6311899 FAX 420 0 59 6311114 Toll Free 0800 1 66342 e mail info omegashop cz 11 rue Jacques Cartier 78280 Guyancourt France Tel
5. ctory switch and jumper settings are outlined below DIN 191 Baud Rate 300 baud switch up Biasing Resistors 1K 1K jumpers installed Termination Resistor 220 jumper installed DIN 192 Baud Rate 300 baud switch up RS 485 J3 Biasing Resistors 1K 1K jumpers installed Termination Resistor 220 jumper installed Isolated RS 485 J2 Biasing Resistors 1K 1K jumpers installed Termination Resistor 220 jumper not installed MADE 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 s 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 unauthorized modification This WARRANTY is VOID if the unit shows evidence of having be
6. ed 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 shipping charges freight insurance and proper packaging to prevent breakage in transit FOR WARRANTY RETURNS please have FOR NON WARRANTY REPAIRS consult the following information available BEFORE OMEGA for current repair charges Have the contacting OMEGA following information available BEFORE 1 Purchase Order number under which contacting OMEGA the product was PURCHASED 1 Purchase Order number to cover the 2 Model and serial number of
7. en tampered with or shows evidence of having been damaged as a result of excessive corrosion or current heat moisture or vibra tion 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 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 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 pur chaser 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 us
8. ers are required to extend communications bus lengths or allow more than 32 RS 485 devices to be connected to a communications bus A repeater simply re amplifies or boosts existing RS 485 signals transmitted over long distances The DIN 191 and DIN 192 are each isolated between the RS 232 port and or RS 485 ports and require a regulated 5Vdc power supply DIN 191 amp DIN 192 USERS MANUAL 4 SPECIFICATIONS Max common mode voltage 500Vrms 60s duration Baud rates 300 600 1200 2400 4800 9600 19200 38400 57600 115200 Dip switch selectable Temperature range operating amp storage 25 to 70 Relative humidity 0 95 noncondensing Warranty 12 months on workmanship and materials Power Specifications Power requirements Regulated 5Vdc Power consumption 1 0W Max RS 485 driver on MECHANICALS AND DIMENSIONS Case ABS case with screw terminal barrier plug Supplied RS 485 Connectors Phoenix screw terminal barrier plug Supplied Replace with Phoenix MSTB 2 5 4 ST 5 08 or equivalent Warranty 12 months on workmanship and materials DIN 191 CONNECTORS The DIN 191 contains two connectors a four pin screw terminal plug and a female DB 9 RS 232 connector The four pin screw terminal plug pin designations are located on the label of each module The screw terminals will accept up to 14 gauge wire AWG This connector is used for 5 0Vdc regulated power supply input and the RS 485 data lines 5 DIN
9. necessary to interface any equipment on an RS 485 network These resistors are jumper selectable making it easier to interface the DIN 191 and DIN 192 to other pieces of equipment that may or may not contain the biasing and or termination resistors 7 DIN 191 amp DIN 192 USERS MANUAL DIM 15 1 Dlk 192 COMVERTER COMVERTER Figure 2 RS 485 biasing amp termination resistors RS 485 TERMINATION amp BIASING SETTINGS Proper termination and biasing of any RS 485 based system can be performed by properly enabling the correct resistors inside each DIN 191 or DIN 192 Figures 3 0 and 4 0 show the location of the jumpers on the printed circuit board The jumpers are shown in their factory set locations to enable the selected resistors Insert or remove the jumpers as required to properly terminate any RS 485 system q ik ERF 220 MT K Apg J2 me TT el Hal i GT Li Figure 3 DIN 192 jumper locations DIN 191 amp DIN 192 USERS MANUAL 8 snae IK Hh Lata 220 ee er Fates 12 ea ta Eee ed z AS E FIGURE 4 DIN 192 jumper locations FACTORY RS 485 TERMINATION SETTINGS Each DIN 191 and DIN 192 contains internal pin strips for enabling the internal termination and biasing resistors Each pc board is clearly marked with the jumper designators adjacent to each row of pins The jumper designators are 1K 220 and 1K To enable any resistor place a jumper over the pins next to the required designator The fa
10. s will be re amplified and retransmitted on the RS 485 OUT data lines GND tB 500 iR RS 485 DATAS G Output DATA T 3 RS 485 Inout Figure 1B Connections for DIN 192 BAUD RATE The DIN 191 and DIN 192 series converters contain a 10 position DIP switch located on the bottom of each unit The DIP switch is used to select the correct communications baud rate and must be set to the same value as the devices connected to the RS 485 data lines Each position on the DIP switch is labeled from 1 to 10 Switch position 1 selects 300 baud Switch positions 2 thru 9 select standard baud rates from 600 to 57 6K respectively Switch position10 selects 115 2K baud rate Only one baud rate switch may be turned on up position at one time for proper operation RS 485 TERMINATIONS The proper termination techniques for any RS 485 system require two biasing resistors and two termination resistors The 1kQ biasing resistors are connected from the DATA line to 5Vdc and from the DATA line to ground The biasing resistors and are normally positioned at the HOST end of the cable The RS 485 standard also requires two resistors across the data lines for proper termination Two 220Q resistors should be connected between the DATA and DATA lines The resistors should be placed at each end of the RS 485 cable Please refer to Figure 2 fora typical RS 485 system application The DIN 191 and DIN 192 each contain the biasing and termination resistors
11. sions Applications information in this manual is intended as suggestions for possible use of the products and not as explicit performance in a specific application Specifications may be subject to change without notice 3 DIN 191 amp DIN 192 USERS MANUAL GENERAL DESCRIPTION The DIN 191 and DIN 192 series converter boxes convert RS 232 communications signal levels to the correct electrical signals required by RS 485 The RS 485 communications standard is recommended when many modules or other addressable devices must be connected toa host computer over long distances The DIN 191 and DIN 192 converters allow communications bus lengths up to 4 000 meters and baud rates up to 115K baud using one twisted pair of wires The RS 485 communications standard is half duplex therefore data can be transmitted in only one direction at a time To determine the direction of data on the RS 485 bus many products require external handshaking signals to control the bus direction when transmitting or receiving data This technique often requires that host RS 232 software be written or modified to accurately control handshaking signals for proper system operation The DIN 191 and DIN 192 automatically control the bus direction without external handshaking signals from the host Therefore host software written for RS 232 may be used without modification RS 485 bus control is completely transparent to the user The DIN 192 is an RS 485 repeater Repeat
12. the product COST of the repair under warranty and 2 Model and serial number of the 3 Repair instructions and or specific product and problems relative to the product 3 Repair instructions and or specific problems 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 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 lA Thermocouple RTD amp Thermistor Probes Connectors Panels amp Assemblies lA Wire Thermocouple RTD amp Thermistor lA Calibrators amp Ice Point References lA Recorders Controllers amp Process Monitors A Infrared Pyrometers PRESSURE STRAIN AND FORCE lA Transducers amp Strain Gages lA Load Cells amp Pressure Gages lA Displacement Transducers A Instrumentation amp Accessories FLOW LEVEL lA Rotameters Gas Mass Flowmeters amp Flow Computers lA Air Velocity Indicators lA Turbine Paddlewheel Systems lA Totalizers amp Batch Controllers pH
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