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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.
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FOR 

WARRANTY

 RETURNS, please have the  

following information available BEFORE contacting 

OMEGA:
1.   Purchase Order 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.  Purchase Order number to cover the COST  

  of the repair,
2.  Model and serial number of the product, and
3.  Repair instructions and/or specific problems  

  relative to the product.

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.

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 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 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 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.

Summary of Contents for DRST-UR

Page 1: ...e mail info omega com For latest product manuals www omegamanual info DRST UR Universal Transmitter with Relays TM Shop online at omega com User sGuide ...

Page 2: ...specifications without notice omega com info omega com Servicing North America U S A Omega Engineering Inc Headquarters Toll Free 1 800 826 6342 USA Canada only Customer Service 1 800 622 2378 USA Canada only Engineering Service 1 800 872 9436 USA Canada only Tel 203 359 1660 Fax 203 359 7700 e mail info omega com For Other Locations Visit omega com worldwide ...

Page 3: ...ristics 9 Section 5 Display Characteristics 10 Section 5 1 Functionality 10 Section 5 2 Application 10 Section 5 3 Technical characteristics display 10 Section 5 4 Mounting installation 10 Section 6 Mounting demounting 11 Section 7 Inputs Application 12 Section 8 Order codes Specifications 13 16 Section 8 2 Electrical specifications 13 Section 9 Visualisation in the DRSL DISPLAY of sensor error de...

Page 4: ...sword 24 Section 15 7 Language 24 Section 16 Auto Diagnosis 25 Section 17 Units safety memory 26 Section 18 Routing diagram 27 32 Section 18 1 Routing Diagram 27 30 Section 18 2 Advanced settings 31 Section 18 3 Manual Deactivation 32 Section 19 Scrolling help text in Display 33 Section 20 Graphic Depication of Latch 34 Section 20 1 latch function setpoint 35 Section 20 2 latch function window 35 ...

Page 5: ...GENERAL WARNING Until the device is fixed do not connect hazardous voltages to the device The following operations should only be carried out on a disconnected device and under ESD safe conditions Dismantlement of the device for setting of DIP switches and jumpers General mounting connection and disconnection of wires Troubleshooting the device Repair of the device and replacement of circuit break...

Page 6: ...nlight dust high temperatures mechanical vibrations and shock as well as rain and heavy moisture If necessary heating in excess of the stated limits for ambient temperatures should be avoided by way of ventilation All devices fall under Installation Category II Pollution Degree 1 and Insulation Class II Mounting Only technicians who are familiar with the technical terms warnings and instructions i...

Page 7: ...le number E231911 Calibration and Adjustment During calibration and adjustment the measuring and connection of external voltages must be carried out according to the specifications of this manual The technician must use tools and instruments that are safe to use Normal operation Operators are only allowed to adjust and operate devices that are safely fixed in panels etc thus avoiding the danger of...

Page 8: ...erefore a continuous measurement of the outgoing current is carried out on a 4 20 mA and 20 4 mA output signal If the current output signal is different from the internal calculated output value or the current output is 0 due to e g an open circuit breakage an error mode switches on the red front LED and disables the relays This function is not a default option but must be actively selected via th...

Page 9: ...with attached potentio meter Power supply and signal isolator for 2 wire transmitters Process control with 2 pairs of potential free relay contacts and analogue output Galvanic separation of analogue signals and measurement of floating signals The DRST UR is designed according to strict safety requirements and is thus suit able for application in SIL 2 installations Section 4 4 Technical character...

Page 10: ... Can be moved from one DRST UR device to another and download the configuration of the first transmitter to subsequent transmitters Fixed display for readout of process data and status Section 5 3 Technical characteristics LCD display with 4 lines Line 1 H 5 57 mm shows input signal line 2 H 3 33 mm shows units line 3 H 3 33 mm shows analogue output or tag no and line 4 shows communication and rel...

Page 11: ...ST UR 1 Insert the taps of DRSL DISPLAY DRST CM into the holes at the top of the device 2 Swing DRSL DISPLAY DRST CM into place Demounting of DRSL DISPLAY DRST UR 3 Push the release button on the bottom of DRSL DISPLAY DRST UR and swing DRSL DISPLAY DRST UR up 1 2 3 ...

Page 12: ...21 33 32 31 44 43 42 41 Input signals Current Volt age RTD and lin R TC Connect wires Output signals Relays Supply 21 6 253 VAC or 19 2 300 VDC Analogue 0 4 20 mA and voltage Order separately 5910 CJC connector See the connection drawing on page 16 Potentio meter ...

Page 13: ...Y DRST CM 185 g 270 g Max wire size 1 x 2 5 mm2 stranded wire Screw terminal torque 0 5 Nm Vibration IEC 60068 2 6 2007 2 13 2 Hz 1 mm 13 2 100 Hz 0 7 g Common specifications Supply voltage universal 21 6 253 VAC 50 60 Hz or 19 2 300 VDC Max consumption 2 5 W Fuse 400 mA SB 250 VAC Isolation voltage test operation 2 3 k VAC 250 VAC Communications interface Communication enabler DRST CM Programming...

Page 14: ... Pt100 0 2 C 0 01 C C Linear resistance 0 1 Ω 0 01 Ω C Potentiometer 0 1 Ω 0 01 Ω C TC type E J K L N T U 1 C 0 05 C C TC type R S W3 W5 LR 2 C 0 2 C C TC type B 85 200 C 4 C 0 4 C C TC type B 200 1820 C 2 C 0 2 C C Input type Min value Max value Standard Pt10 Pt1000 Ni50 Ni1000 Cu10 Cu100 Lin R Potentiometer 200 C 60 C 200 C 0 Ω 10 Ω 850 C 250 C 260 C 10000 Ω 100 kΩ IEC 60751 DIN 43760 α 0 00427 ...

Page 15: ...M E988 90 GOST 3044 84 Cold junction compensation CJC via external sensor in connector 5910 20 28 C 1 C 20 20 C 28 70 C 2 C via internal CJC sensor 2 0 C 0 4 C Δt Δt internal temperature ambient temperature Sensor error detection all TC types Yes Sensor error current when detecting Nom 2 μA else 0 μA Current input Measurement range 0 20 mA Programmable measurement ranges 0 20 and 4 20 mA Input res...

Page 16: ...tputs Relay functions Setpoint Window Sensor error Latch Power and Off Hysteresis 0 100 On and Off delay 0 3600 s Sensor error detection Break Make Hold Max voltage 250 VRMS Max current 2 A AC or 1 A DC Max AC power 500 VA Ex I S approval FM applicable in Class I Div 2 Group A B C D Class I Div 2 Group IIC Zone 2 Max ambient temperature for T5 60 C Marine approval Det Norske Veritas Ships Offshore...

Page 17: ...800 Ω IN LO 0 Ω IN HI 1075 Ω 0 10 kΩ IN LO 0 Ω IN HI 110 kΩ POTM IN LO 0 5 IN HI 100 5 TEMP TC RTD IN LO temperature range 2 C IN HI temperature range 2 C Sensor error detection SE BR SE SH Input Range Readout Limit CURR Loop break 4 20 mA SE BR 3 6 mA 21 mA POTM All SE BR on all 3 wire SE BR ca 126 kΩ LIN R 0 800 Ω SE BR ca 875 Ω 0 10 kΩ SE BR ca 11 kΩ TEMP TC SE BR ca 750 kΩ 1 25 V RTD 2 3 and 4...

Page 18: ...load on the current output only S4 20 S20 4 mA Communications test DRSL DISPLAY DRST UR NO CO Connection error Check that input signal matches input configuration IN ER 1 Error levels on input Check that saved configuration in DRSL DISPLAY matches device TY ER Configuration is not DRST UR Error indications in the display flash once per second The help text explains the error 1 The error is reset b...

Page 19: ...12 13 14 41 42 43 44 41 42 CJC 44 31 32 33 21 22 23 24 Tx mA V V R1 R2 Section 11 Connections Inputs Outputs Supply Voltage 1 V Voltage 10 V Current Relays RTD 3 4 wire Resistance 3 4 wire Voltage Potentiometer Current 2 wire transmitter RTD 2 wire Resistance 2 wire TC internal CJC sensor TC CJC connector Order separately CJC connector 5910 ...

Page 20: ... 0 2 mA Vloop 14 13 12 31 33 22 21 23 11 24 2 4 3 V V Potentiome t er 2 wire transmitter Voltage Current RTD og lin R connection wires Supply Supply 21 6 253 VAC or 19 2 300 VDC I I V Out I Out V Out TC Relay 2 Relay 2 Relay 1 Relay 1 Green Red Yellow Yellow Order separately CJC connector 5910 Block Diagram 12 20 ...

Page 21: ... no key is activated for 1 minute the display will return to the default state 1 0 without saving the changed values or parameters Further explanations Fast setpoint adjustment and relay test These menus allow you to make a quick setpoint change and relay test when the FastSet menu is activated This function can only be activated when the relays are set for setpoint function and are controlled by ...

Page 22: ... breakes the relay sign either displays or disappears Signal and sensor error indication without display front Status of the unit can also be read from the red green LED in the front of the device Green flashing LED 13 Hz indicates normal operation Green flashing LED 1 Hz indicates sensor error Steady red LED indicates internal error Relay functions 6 different settings of relay function can be se...

Page 23: ...hether the contact is open or closed inside the window This selection is made in the menu R1 cont and R2 cont The setpoint function is selected by choosing setpoint in the menu and entering the desired limit The device then works as a single limit switch An activated relay means that the contact is closed if the contact function normally open is selected and the contact is open if the contact func...

Page 24: ...plied and the actual value is entered via DRSL DISPLAY Then a high signal not necessarily 100 is applied and the actual value is entered via DRSL DISPLAY If you accept to use the calibration the device will work according to this new adjustment If you later reject this menu point or choose another type of input signal the device will return to factory calibration Section 15 5 Process simulation fu...

Page 25: ...lowing possible errors can by displayed in the front unit DRSL DISPLAY CJ ER CJC sensor defect or CJC temperature outside range FL ER Flash error AO ER No load on the current output only for S4 20 mA S20 4 mA NO CO Connection error IN ER Error levels on input TY ER Configuration in DRSL DISPLAY does not match this product type ...

Page 26: ...p surveillance can be selected in the menu O RANGE thus enabling the device to run in SIL mode In order to enable the SIL functionality the menu item S4 20 mA must be selected Please note however that when safety readback is enabled a sensor error will be indicated as an error on the analogue output signal Section 17 3 CJC In the CJC menu you can choose between CJC connector and internal cold junc...

Page 27: ...t 17 3W CONNEC Txt 6 TC K TC TYPE Txt 18 INT CJC Txt 63 10 1000 2W 3W 4W 50 1000 2W 3W 4W 1 0 Default state Line 1 shows input signal Line 2 shows UNIT By pressing and simultaneously line 3 alternates between A Out and TAG Line 4 shows relay and communication status 1 1 Only if password protected 1 2 Only if FastSet is acti vated and the relay function is setpoint 1 3 Not valid for these input sig...

Page 28: ...t s g gal h gal min GW hp hPa Hz in in h in min in s ips K kA kg kJ kPa kV kW kWh l l h l min l s m m h m min m s m s2 m3 m3 h m3 min mA mbar mils min mm mm s mol MPa mV MW MWh N Ohm Pa pH rpm s S t t h uA um uS V W Wh yd blank Section 18 1 Routing diagram If no key is activated for 1 minute the display will return to the default state 1 0 without saving configuration changes Increase value choose...

Page 29: ...O N C 50 0 R2 SETP Txt 21 100 0 0 0 INCR ACT DIR Txt 22 INCR DECR 1 0 R2 HYST Txt 23 100 0 0 0 SETP R2 FUNC Txt 19 SETP WIND ERR POW OFF O I W R2 CONT Txt 27 O I W C I W 60 0 SETP LO Txt 29 100 0 0 0 70 0 SETP HI Txt 28 100 0 0 0 1 0 R2 HYST Txt 30 100 0 0 0 WIND R2 FUNC Txt 19 OPEN ERR ACT Txt 34 CLOS OPEN ERR R2 FUNC Txt 19 POW R2 FUNC Txt 19 OFF R2 FUNC Txt 19 1 3 1 3 1 3 OK OK OK OK OK OK OK O...

Page 30: ...2 0 OFF DEL Txt 33 3600 0000 1 2 CURR ANA OUT Txt 36 VOLT CURR 4 20 O RANGE Txt 37 S20 4 20 4 20 0 S4 20 4 20 0 20 VOLT ANA OUT Txt 36 0 10 O RANGE Txt 39 10 2 10 0 5 1 5 0 1 0 2 1 0 2 10 0 10 1 5 0 5 0 2 1 0 1 23mA OUT ERR Txt 38 23mA 0 3 5mA NONE 0 0 OUT LO Txt 41 850 200 150 0 OUT HI Txt 42 850 200 1 3 1 4 1 4 1 3 1 3 To default state 1 0 OK OK OK OK OK OK OK OK OK OK OK OK OK OK OK ...

Page 31: ... SETUP Txt 43 YES EN SIM Txt 51 YES NO 25 0 Txt 52 100 0 0 0 NO REL SIM Txt 53 LANG SETUP Txt 43 UK LANGUA Txt 59 DE DK ES FR IT SE UK PASS SETUP Txt 43 YES EN PASS Txt 54 YES NO NO 0000 NEW PAS Txt 55 9999 0000 YES EN FAST Txt 56 YES NO 2 0 LATC SETUP NO R1 LATC NO R2 LATC YES NO YES NO Section 18 2 Advanced settings Routing diagram Advanced settings ADV SET To default state 1 0 2 0 In the submen...

Page 32: ...NO NO R2 RLSE Txt 66 YES NO 0000 9999 0000 9999 1 5 40 0 R1 LATC Txt 65 40 0 R2 LATC Txt 65 NO ENT SET Txt 67 40 0 Rx LATC Txt 65 YES NO 1 1 1 1 1 5 Section 18 3 Manual deactivation Routing diagram Manual deactivation of the latch function To default state 1 0 R1 reset R2 reset To setup menu OK OK OK OK OK OK OK OK OK ...

Page 33: ... at error Hold relay status at error Set relay ON delay in seconds Set relay OFF delay in seconds Relay contact is Closed Inside Window Relay contact is Open Inside Window Set relay window setpoint high Set relay window setpoint low Set relay window hysteresis No error action undefined status at error Open relay contact at error Close relay contact at error Hold relay status at error Set relay ON ...

Page 34: ...elay latched OFF delay ON delay Input signal Hysteresis Setpoint increasing Time Closed Open Relay contact N O Release not possible setpoint still exceeded Release not possible setpoint hysteresis still exceeded Release not possible OFF delay still exceeded Release possible manual deactivation ...

Page 35: ... delay Relay latched Relay latched Closed Open Relay contact N O Release not possible still inside window Release not possible inside hysteresis Release not possible OFF delay still active Release possible Time Window ON delay OFF delay Hysteresis Setpoint low Graphic Depication of Latch 20 35 ...

Page 36: ...asing Relay units Setpoint High 60 Hysteresis 5 Hysteresis 5 Setpoint Low 40 Relay function Window shown for increasing signal Contact Closed inside window Contact Open inside window Relay units Setpoint High 60 Hysteresis 5 Hysteresis 5 Setpoint Low 40 Relay function Window shown for decreasing signal Contact Closed inside window Contact Open inside window 1 2 1 2 Graphic Depication of Latch 20 3...

Page 37: ...t software 21 2 EX Interfaces Interfaces for analog and digital signals as well as HART signals between sensors I P converters frequency signals and control systems in Ex zone 0 1 2 and for some devices in zone 20 21 22 21 3 Isolation Galvanic isolators for analog and digital signals as well as HART signals A wide product range with both loop powered and universal isolators featuring linearization...

Page 38: ...th analog and digital bus communication ranging from application specific to universal transmitters 21 5 Universal PC or front programmable devices with universal options for input output and supply This range offers a number of advanced features such as process calibration linearization and auto diagnosis 38 ...

Page 39: ...GA 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 ...

Page 40: ...rs M U Turbine Paddlewheel Systems M U Totalizers Batch Controllers pH CONDUCTIVITY M U pH Electrodes Testers Accessories M U Benchtop Laboratory Meters M U Controllers Calibrators Simulators Pumps M U Industrial pH Conductivity Equipment DATA ACQUISITION M U Communications Based Acquisition Systems M U Data Logging Systems M U Wireless Sensors Transmitters Receivers M U Signal Conditioners M U Da...

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