Omega DRG-SC-TC Instruction Sheet

SPECIFICATIONS SPECIFICATIONS SPECIFICATIONS
SPECIFICATIONS SPECIFICATIONS Response Time (10 to 90%) Response Time (10 to 90%) Response Time (10 to 90%) Response Time (10 to 90%) Response Time (10 to 90%)
500mSec., typical.
I I I I I nputs nputs nputs nputs nputs
Common Mode Rejection Common Mode Rejection Common Mode Rejection Common Mode Rejection Common Mode Rejection
Sensor Types: J, K, T, R, S, E, B
DC to 60Hz: 120dB
Input Ranges: see table 6.
Isolation Isolation Isolation Isolation Isolation
Impedance: >1MΩ
1800VDC between input, output
Bias Current (burnout detection):
and power.
<1.5microamp
EMC Compliance EMC Compliance EMC Compliance EMC Compliance EMC Compliance
Overvoltage: ±10V differential
Emissions: EN50081-1
Common Mode (Input to Ground):
Immunity: EN50082-2
1800VDC, max.
Safety: EN50178
Zero and Span Adjustability Zero and Span Adjustability Zero and Span Adjustability
Zero and Span Adjustability Zero and Span Adjustability
LED Indication LED Indication LED Indication LED Indication LED Indication
50% of any selected range
TROUBLE LED: Yellow, off during
Output Output
Output Output Output
normal device operation.
Voltage Output
INPUT LED: Green, continuously on
Output: 0-5V, 0-10V
if input is within selected range,
Source Impedance: <10Ω
flashes otherwise
Drive: 10mA, max.
CAL OK LED: Yellow, continuously
Current Output
on in normal device operation
Output: 0-1mA, 0-20mA,
Thermocouple Burnout Detect Thermocouple Burnout Detect Thermocouple Burnout Detect Thermocouple Burnout Detect Thermocouple Burnout Detect
4-20mA
Field configurable upscale,
Source Impedance: >100KΩ
downscale, or disabled
Compliance:
Humidity (Non-Condensing) Humidity (Non-Condensing) Humidity (Non-Condensing) Humidity (Non-Condensing) Humidity (Non-Condensing)
0-1mA; 7.5V, max.(7.5KΩ)
Operating: 15 to 95% (@ 45°C)
0-20mA; 12V, max.(600Ω)
Soak: 90% for 24 hours (@ 65°C)
4-20mA; 12V, max.(600Ω)
Temperature Range Temperature Range Temperature Range Temperature Range Temperature Range
Accuracy (Including Linearity, Accuracy Accuracy Accuracy Accuracy
Operating: 0 to 55°C (32 to 131°F)
Hysteresis) see Table 5
Storage: -25 to 70°C (-13 to 158°F)
Stability Stability Stability Stability Stability
Power Power Power
Power Power
+0.04% of the maximum full scale
Consumption: 1.5W typical,
range per ºC change in ambient
2.5W max.
temperature, maximum.
Range: 9 to 30VDC
OMEGA ENGINEERING, INC. warrants this unit to be free of manufacturing defects for the life of the 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
SM Internet e-mail
OMEGAnet On-Line Service (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
http://www.omega.com info@omega.com
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 specifica-
Servicing North America:
tion; misapplication; misuse or other operating conditions outside of OMEGA's control. Components which wear are not warranted, including but not
USA: One Omega Drive, Box 4047
limited to contact points, fuses, and triacs.
ISO 9001 Certified Stamford, CT 06907-0047
Telephone: (203) 359-1660
Fax: (203) 359-7700
OMEGA is pleased to offer suggestions on the use of its various products. However, OMEGA neither assumes responsibility for any omissions
e-mail:info@omega.com
or errors nor assumes liability for any damages that result from the use of its products in accordance with information provided by OMEGA,
Canada: 976 Bergar either verbal or written. OMEGA warrants only that the parts manufactured by it will be as specified and free of defects. OMEGA MAKES NO
Laval (Quebec) H7L 5A1 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 DIS-
Telephone: (514) 856-6928
Fax: (514) 856-6886
CLAIMED. LIMITATION OF LIABILITY: The remedies of purchaser set forth herein are exclusive and the total liability of OMEGA with respect to
e-mail: canada@omega.com
this order, whether based on contract, warranty, negligence, indemnification, strict liability or otherwise, shall not exceed the purchase price of
For immediate technical sevice or application assistance:
the component upon which liability is based. In no event shall OMEGA be liable for consequential, incidental or special damages.
USA and Canada: Sales Service: 1-800-826-6342 / 1-800-TC-OMEGA SM
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
Customer Service: 1-800-622-2378 / 1-800-622-BEST SM
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
Engineering Service: 1-800-872-9436 / 1-800-USA-WHEN SM
installation or activity, medical application, used on humans, or misused in any way, OMEGA assumes no responsibility as set forth in our basic WAR-
TELEX: 996404 EASYLINK: 62968934 CABLE: OMEGA
RANTY/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.
Mexico and Tel: (95) 800-TC-OMEGA SM Fax: (95) 203-359-7807
Latin America: En Espanol: (203) 359-1660 ext. 2203 e-mail: espanol@omega.com
Servicing Europe:
Benelux: Postbus 8034, 1180 LA Amstelveen, The Netherlands
Tel: (31) 20 6418405 Fax: (31) 20 6434643
Direct all warranty and repair requests/inquiries to the OMEGA Customer Service Department. BEFORE RETURNING ANY PRODUCT(S) TO OMEGA,
Toll Free in Benelux: 06 0993344
PURCHASER MUST OBTAIN AN AUTHORIZED RETURN (AR) NUMBER FROM OMEGA'S CUSTOMER SERVICE DEPARTMENT (IN ORDER TO
e-mail: nl@omega.com
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.
Czech Republic: Ostravska 767, 733 01 Karvina
Tel: 42 (69) 6311899 Fax: 42 (69) 6311114
FOR WARRANTY RETURNS, please have the following information
e-mail: czech@omega.com
available BEFORE contacting OMEGA:
1. P.O. number under which the product was PURCHASED,
France: 9, rue Denis Papin, 78190 Trappes
2. Model and serial number of the product under warranty, and
Tel:33 0130-621-400 Fax: 33 0130-699-120
3. Repair instructions and/or specific problems relative to the
Toll Free in France: 05-4-06342
product
e-mail: france@omega.com
OMEGA's policy is to make running changes, not model changes, whenever an improvement is possible. This affords our customers the latest in
Germany/Austria: Daimlerstrasse 26, D-75392 Deckenpfronn, Germany
Tel:49 (07056) 3017 Fax: 49 (07056) 8540 technology and engineering.
Toll Free in Germany: 0130 11 21 66 OMEGA is a registered trademark of OMEGA ENGINEERING, INC.
 Copyright 1996 OMEGA ENGINEERING, INC. All rights reserved. This documentation may not be copied, photocopied, reproduced, translated,
e-mail: germany@omega.com
or reduced to any electronic medium or machine-readable form, in whole or in part, without prior written consent of OMEGA ENGINEERING, INC.
United Kingdom: 25 Swannington Road,
P.O. Box 7, Omega Drive
ISO 9002 Certified Broughton Astely, Leicestershire, Irlam, Manchester,
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
LE9 6TU, England M44 5EX, England
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
Tel: 44 (1455) 285520 Tel: 44 (161) 777-6611
without notice.
Fax: 44 (1455) 283912 Fax: 44 (161) 777-6622
WARNING: These product are not designed for use in, and should not be used for, patient connected applications.
Toll Free in England: 0800-488-488
e-mail: uk@omega.com
Terminations and Wire Terminations and Wire Terminations and Wire Terminations and Wire Terminations and Wire
Screw terminals for 12-22 AWG.
Use twisted pair for output and
power connections.
Agency Approvals Agency Approvals Agency Approvals Agency Approvals Agency Approvals
CSA CSA CSA certified per standard C22.2, CSA CSA
No. 0-M91 and 142-M1987 (File No.
LR42272). UL UL UL UL recognized per stan- UL
dard UL508 (File No.E99775). CE CE CE CE CE
Conformance per EMC directive
89/336/EEC and low voltage 73/
23/EEC.
Mounting Mounting Mounting
Mounting Mounting
32mm or 35mm DIN rail
PIN CONNECTIONS PIN CONNECTIONS PIN CONNECTIONS PIN CONNECTIONS PIN CONNECTIONS
11 DC Power(+)
12 DC Power (-)
13 No Connection
41 T/C Input(+)
42 T/C Input (-)
43 No Connection
21 DC Power (+)
22 DC Power(-)
23 No Connection
51 Output (+)
52 Output (-)
53 No Connection
WARRANTY/DISCLAIMER
RETURN REQUEST/ INQUIRIES
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.
721-0616-00B 8/97
DRG-SC-TC
Thermocouple Input, Field Configurable Isolator
Instruction Sheet M2397/0796
multiple microprocessors, a special
DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION DESCRIPTION
ASIC* chip is used for high accuracy
The DRG-SC-TC is a DIN rail mount,
and reliability. The DRG-SC-TC is
thermocouple input signal conditioner
also equipped with cold junction com-
with 1800VDC isolation between in-
pensation (CJC) circuitry to provide
put, output and power. The field
ice-point reference. Upscale or
configurable input and output offer
downscale thermocouple burnout
flexible, wide ranging capability for
detection is switch selectable.
J, K, T, R, S, E and B type thermo-
couples.
High density DIN rail mounting offers
an extremely compact solution to
The input of the DRG-SC-TC can be
save valuable panel space.
configured for over 60 different ther-
mocouple temperature ranges (see
DIAGNOSTIC LEDS DIAGNOSTIC LEDS DIAGNOSTIC LEDS DIAGNOSTIC LEDS DIAGNOSTIC LEDS
Table 6). The output is linear to
The DRG-SC-TC is equipped with
temperature and can be set for either
front panel LEDs for INPUT (green),
0-5V, 0-10V, 0-1mA, 0-20mA or
TROUBLE (yellow) and CAL OK (yel-
4-20mA.
low). At start-up, both the INPUT
and the CAL OK LEDs flash alter-
Wide ranging, precision zero and
nately for 10 seconds while start-up
span pots allow 50% adjustablity of
takes place.
offset and span turn-down within each
of the ranges. For example, the 0-
INPUT LED INPUT LED INPUT LED INPUT LED INPUT LED
1000°C range could be offset and
This green LED is lit continuously
turned down to provide a 4-20mA
when the input is within the specified
signal representing 500-1000°C.
range. In the full temperature range
Similarly, adjustment can be refer-
setting, for the over range condition
enced to the output range. The
the LED flashes at 8Hz, whereas for
example from above could be used
the under range condition it flashes
to provide a 12-20mA signal from a
at 4Hz. In a sub-range temperature
750 to 1000°C temperature input.
setting, for the over range condition
the LED flashes at 1Hz, whereas for
APPLICATION APPLICATION APPLICATION
APPLICATION APPLICATION
the under range condition it flashes
The DRG-SC-TC field configurable
at 0.5Hz.
thermocouple input isolator is useful
in eliminating ground loops and inter-
CAL OK LED CAL OK LED CAL OK LED CAL OK LED CAL OK LED
facing thermocouple sensors to data
This yellow LED is continuously on
acquisition and control systems.
when the device is calibrated.
Three way isolation completely elimi-
nates ground loops from any source. TROUBLE LED TROUBLE LED TROUBLE LED TROUBLE LED TROUBLE LED
Isolation protects expensive SCADA
This yellow LED is off during the
systems from ground faults and al-
normal operation of the device. Con-
lows the noise reduction benefits of
sult factory if this LED is on, indicat-
grounded thermocouples to be real-
ing a microprocessor malfunction.
ized.
The DRG-SC-TC employs the latest
in advanced analog signal process-
ing technology. In addition to its
* Application Specific Integrated Circuit
CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION CONFIGURATION
An advantage of the DRG-SC-TC is
its wide ranging capabilities and ease
of configuration. The DRG-SC-TC
enables 50% input zero and span
adjustablity DRG-SC-TC within each
of the full-scale input ranges.
Unless otherwise specified, the
factory presets the Model
DRG-SC-TC as follows:
Input: J-type
Range: 0 to 500°C
Output: 4 to 20mA
Burn Out: Upscale
The DC power input accepts any DC
source between 9 and 30V; typically
a 12V or 24VDC source is used (see
Accessories).
For other I/O ranges refer to Tables
1 through 6 and reconfigure switches
SW1 and SW2 for the desired input
type range and output.
WARNING: Do not attempt to change WARNING: WARNING: WARNING: WARNING:
any switch settings with power applied.
Severe damage will result!
1. Choose the desired temperature
range from table 6, then use table 1
and 2 to configure the switches, as
described in the following steps, for
thermocouple type and range.
2. With DC power off, position input
switches 1 and 2 on "SW2" for the
desired burnout detection mode.
3. Set positions 4 through 10 on
"SW2" for the desired thermocouple
range and type.
4. Set positions 1 through 8 of output
range switch "SW1" for the desired
output signal. (Table 4)