Omega DRI-DC Bedienungsanleitung

Specications

Inputs:

Voltage:

Range Limits: 10mV to 100V (see Table 1)

Impedance: >100k ohms

Overvoltage: 200V continuous

Current Input:

Range Limits: 1mA to 100mA

Impedance: 20 ohms typical

Overcurrent: 170mA, protected by self resetting fuse

Overvoltage: 60V

Pushbutton Adjustment (inputs>10mV)

Effective zero offset: > 90%

Effective span turn down: > 90% except 20mV/2mA range in

which 50% is max. zero offset and span turndown

Outputs:

Voltage:

Output: 0-5V, 0-10V

Source Impedance: <10 ohms

Drive: 10mA max.

Current:

Output: 4-20mA, 0-1mA, 0-20mA (DRI-DC only)

Source Impedance: >100k ohms

Compliance:

0-1mA: 7.5V max. (7.5k ohms)

4-20mA: 12V max. (600 ohms)*

0-20mA: 12V max. (600 ohms)

*10V max. (500 ohms) on dual out version

Output Ripple:

<50% offset or span adjust:<0.1% off full scale span or 25mV

RMS, whichever is greater

>50% offset or span adjust:<0.2% of full scale span or 50mV RMS,

whichever is greater.

Output Accuracy:

>2mA / >20mV input spans:

+0.1% of full-scale input typical, +0.2% maximum

<2mA / <20mV input spans:

+ 0.35% of fullscale input typical, + 0.5% maxmum; including

linearity, repeatability and hysteresis @23C.

Response Time: 200mSec, typical

Stability: +0.025% of full scale /C, maximum for fullscale and zero

Common Mode Rejection: 120dB at DC, >90dB at 60Hz

Isolation: > 1800VDC or peak AC between input, output, power

and channel to channel

ESD Susceptibility: Capable of meeting IEC 801-2 level 3(8kV)

Humidity (non-condensing):

Operating: 15 to 95% RH @45°C

Soak: 90% RH for 24 hours @60°C

Temperature:

Operating: 0 to 55°C (32 to 131°F)

Storage: -25 to 70°C (-13 to 158°F)

Power: 2.5W max; 100 to 240VAC, +10%, 50 to 400Hz

Wire Terminals: Socketed screw terminals for 12-22 AWG

Agency Approvals:

UL recognized per standard UL508 (File No. E99775).

CE compliance per EMC directive 89/336/EECand low voltage 73/23/EEC.

Dimensions

Servicing North America:

U.S.A.:

Omega Engineering, Inc., One Omega Drive,

P.O. Box 4047, Stamford, CT 06907-0047 USA

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

omega.com info@omega.com

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.

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.

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 the following

information available BEFORE contacting OMEGA.

1. Purchase order number 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.

OMEGA’s policy is to make running changes, not model changes, whenever an improvement is possible. This affords customers the latest

technology and engineering. OMEGA is a registered trademark of OMEGA ENGINEERING, INC.

any electronic medium-readable form, in whole or in part, without the prior written consent of OMEGA ENGINEERING, INC.

FOR NON-WARRANTY RETURNS, 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.

Description

The model DRI-DC and DRI-SP-AC are AC powered, DIN

rail mount, DC input signal conditioners, with 1800V isolation

between input, output and power. The eld congurable input

and output feature offers exible, wide ranging capability for DC

current and voltage signals.

The DRI-DC is a single channel signal conditioner (1 input/1

output) and the DRI-SP-AC is a multi-channel signal conditioner

(1 input/2 outputs). Both models maintain the high 1800V

isolation level from channel to channel, as well as input to

output to power.

Touch Calibration Technology

Using a pushbutton instead of potentiometers, improvements

in calibration resolution and reliability are realized due to the

elimination of the potentiometers’ mechanical variability. The

thermal drift and mechanical variability of the potentiometers

has been removed and replaced with a digitally stable circuit.

Additionally, the inherent zero and span interactivity of analog

amplier circuitry is removed, providing 100% non-interactive

adjustment.

The DRI-DC and DRI-SP-AC can be eld congured for virtually

any DC input to DC output within the limits specied. Calibration

utilizes Touch Calibration technology where the user simply

congures the input for the current or voltage range via switches,

then follows the Calibration Flow Chart. The output is set by

adjusting the input until the desired output is present and then

pressing the CAL button to store the output level.

Diagnostic LEDS

The DRI-DC and DRI-SP-AC have three diagnostic LEDs.

The green (RUN) LED is used for diagnostics to indicate that

power is on. It will ash quickly if the input signal is above the

calibrated range or slowly if the input signal is below range.

It is on continuously when the unit is functioning within the

calibrated range.

The yellow (IN) LED is on while calibrating the input and the red

Provides 1 or 2 Fully Isolated DC Output Signals

in Proportion to 1 or 2 DC Inputs

 Field Congurable Input Ranges

 Field Congurable Output Ranges

1800VAC Isolation

Touch Calibration Technology

High Density DIN Rail Mounting

Universal AC Power 85 to 265 VAC

 Plug-in Terminals

(OUT) LED is on while calibrating the output.

Conguration

The DRI-DC and DRI-SP-AC can be congured for input ranges

from 10mV to 100V or 1mA to 100mA, with >90% input offset

or will adjust down to <10% of full scale input span (except on

20mV/2mA range where maximum offset or gain adjustment

is 50%). Unless a specic custom calibration is specied, the

factory presets the Model DRI-DC and DRI-SP-AC as follows:

Input Range: 20mA (Current on)

Input Conguration: Unipolar

Calibrated Input: 4-20mA

Operation: Direct (Reverse off)

Calibrated Output: 4-20mA

For other I/O ranges, refer to the tables below.

WARNING: Do not change switch settings with power applied.

Severe damage will result!

1. With power off, snap off the faceplate by lifting the right edge

away from the heatsink. Slide the heatsink forward and off the

module.

2. The single channel module has two eight position switch

blocks, one for input and one for output. The dual output modules

have a second board behind the heatsink. Gently lift this board

away from the main board, rocking it back while lifting. The one

input, two output module has one ten position switch block for

input and channel 1 output, along with a two position switch for

the second output.

3. For single channel modules, choose the desired input,

function and output range from Table 1, 2, and 3. For multi-

channel modules, use Table 4. Set the dip switches for the

desired I/O.

DRI-DC and DRI-SP-AC

AC Powered DC Input

DIN Rail Multi-Channel Signal Conditioner

M5477/0715

INSTRUCTION

SHEET

Shop online at omega.comSM e-mail: [email protected]

For latest product manuals: www.omegamanual.info

Calibration

Note: For best results, calibration should be performed with the

intended output load, in the operating environment, mounted

on a DIN rail, allowing at least one hour for thermal equilibrium

of the system.

1. Install the module on to a piece of DIN rail and the ACPB rail

mounting combination. See the ACPB rail Data sheet for details.

Note: An ACPB rail is required to deliver power to the modules.

See ordering information.

2. Connect the input to a calibrated DC source and the output

to a voltage or current meter. Apply power and allow the system

to reach thermal equilibrium (approx. 20 minutes).

3. Adjust the input signal to the desired maximum and observe

that the green LED is on or ashing. Push the CAL button and

hold it down for more than 5 seconds (until the yellow and Green

LEDs are ashing).

Figure 1: Input Connection

Figure 2: DRI-DC and DRI-SP-AC Calibration Flow Chart

Type Selector SW1

5 6 7 8

Unipolar - - -

Bipolar - - -

Reverse - - -

Direct - - -

Current - - 

Voltage - - 

Key: = 1 = ON or Closed; - = n/a

Ranges Selector SW1

Voltage Current 1 2 3 4

20mV 2mA  

50mV 5mA 

100mV 10mA  

200mV 20mA  

500mV 50mA   

1V 100mA 

2V  

5V   

10V  

25V   

50V   

100V    

Key: = 1 = ON or Closed

Ranges Selector SW2

Output 1 2 3 4 5 6 7 8

0 to 5V    

0 to 10V   

0 to 1mA   

4 to 20mA   

0 to 20mA     

Key: = 1 = ON or Closed

Table 1: Input Range Settings for Single Channel Module

(DRI-DC)

Table 3: Output Range Settings for Single Channel Module

(DRI-DC)

Table 2: Input Function Settings for Single Channel Module

(DRI-DC)

Table 4: I/O Range & Function Settings

for Dual Channel Module (DRI-SP-AC)

Figure 1: Input Connection

4. When the yellow and green LEDs stop ashing, the yellow

and red LEDs will be on. Push the CAL button momentarily (the

yellow and green LEDs will be on).

Note: To quit the calibration mode and reset the unit, push the

CAL button and hold for more than 5 seconds. Or, wait for more

than two minutes and the unit will timeout and reset itself to the

previously stored calibration.

5. Apply the maximum input signal level desired, and push the

CAL button to store (the yellow LED will be on).

6. Apply the minimum input signal level desired, and push the

CAL button to store (the green and red LED will be on.

7. Adjust the input signal while monitoring the output signal until

the output is at the desired maximum level (e.g. 20.00mA), then

push the CAL button to store (the red LED will be on).

8. Adjust the input signal while monitoring the output signal until

the output is at the desired minimum level (e.g. 4.00mA), then

push the CAL button to store (the yellow, green and red LEDs

will be on).

9. Push the CAL button one nal time to store the calibration data.

The green LED will be on if the input is within the calibrated range.

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