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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.

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 1996 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, i n
w h o l e   o r   i n   p a r t ,   w i t h o u t   p r i o r   w r i t t e n   c o n s e n t   o f   O M E G A   E N G I N E E R I N G ,   I N C .

FOR 

WARRANTY

 RETURNS, please have the

following information available BEFORE contacting
OMEGA:
1. P.O. number under which the product was
    PURCHASED,
2. Model and serial number of the product under
    warranty, and
3. Repair instructions and/or specific problems
    relative to the product.

FOR 

NON-WARRANTY

 REPAIRS, consult

OMEGA for current repair charges. Have the
following information available BEFORE
contacting OMEGA:
1. P.O. number to cover the COST
    of the repair,
2. Model and serial number of product, and
3. Repair instructions and/or specific
    problems relative to the product.

 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 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 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 not 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 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 additionally, purchaser will indemnify OMEGA and
hold OMEGA harmless from any liability or d a m a g e   w h a t s o e v e r   a r i s i n g   o u t   o f   t h e   u s e   o f   t h e
P r o d u c t ( s )   i n   s u c h   a   m a n n e r.

Summary of Contents for DRA-RTM-8

Page 1: ...DRA RTM 8 ANALOG MULTIPLEXER User sGuide http www omega com e mail info omega com...

Page 2: ...02 Certified 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 48...

Page 3: ...XER 7 CONNECTING Pt 100 TO THE MULTIPLEXER 8 CONNECTING THE MULTIPLEXER TO A PLC 9 CONTROL 9 1 Enable 9 2 Address 9 3 Address Polarity 9 4 Control Tables 10 CALIBRATION 10 1 Calibration Procedure 10 2...

Page 4: ...e fastening tab facing down Using a suitable flat screwdriver loosen the tab slightly and attach the unit to the rail Once the tab is loosened ensure that the unit is fastened securely in place 3 REPL...

Page 5: ...e return for all the current channels It is possible to connect any current source as long as a closed loop is maintained Figure 1 6 CONNECTING TRANSMITTERS TO THE MULTIPLEXER 6 1 TWO WIRE TRANSMITTER...

Page 6: ...e transmitter connection WARNING NEVER apply 24Vdc to the DRA RTM 8 s Io terminal as in two wire connection and make sure that the PLC s analog module is configured as a passive input 9 CONTROL The DR...

Page 7: ...1 and 1111 selects channel 16 Moving the jumper to the second alternative reverses the logic Figure 6 Note If the address contros voltages are generated from different power supplies then its negativ...

Page 8: ...temperature at which the output current is 20mA Tspan is the difference between Tmax and Tmin 10 1 CALIBRATION PROCEDURE a Remove the terminal strips to get access to the coarse calibration switches...

Page 9: ...206 205 272 270 338 336 404 401 470 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 CHANNELS 5 8 SW2 SW3 SW1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 0 0 0 0 0 0 10 2 2 SPAN COARSE CALIBRATION TABLES SPAN...

Page 10: ...rent Input CONTROL INPUTS Logic Logic Levels OUTPUT SWITCHING TIME INDICATORS SUPPLY VOLTAGE SUPPLY CURRENT CONSUMPTION FUSE TEMPERATURE STABILITY OPERATING TEMPERATURE STORAGE TEMPERATURE HUMIDITY HO...

Page 11: ...EGA 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...

Page 12: ...Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industrial pH Conductivity Equipm...

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