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DR230 expandable model
Connecting the main unit to each subunit with dedicated
cables, you can easily configure a multi-channel hybrid recorder.
Input channels:
The number of input channels can be increased
from 10 to 300 channels in steps of 10 channels.
Measurement interval:
500 ms maximum
lInputs: Universal (DCV, TC, RTD, DI), DCV/TC/DI dedicated,
power monitor, pulse, strain and direct current (mA)
modules
Up to six subunits
can be connected to a main unit.
Up to six input and/or output modules can be connected
to one subunit.
Subunits can be
separated from the main unit by up to
500 m total cable length.
Memory devices
(specified when ordering): 3.5" floppy disk
drive (FDD)
Computing functions
The main unit of the DR230 with optional
MATH feature can perform the four
arithmetic operations, integration of
measured data, and computations such
as detection of maximum and minimum
values, in realtime. Even without the
optional feature, the DR230 can compute
linear scaling, difference and moving
average. The results of such computations
are transferred with the measured
data to a PC, thus reducing system
requirements on the PC and also
resulting in more efficient analytical processing.
The main computing functions are as
follows. (The shortest computation period
differs depending on the kind of computation.)
Standard computing functions
Linear scaling, moving average, differential
calculation, pulse integration
(when a pulse input module is recognized)
Optional functions
The four arithmetic operations, logic
operations, related operations, calculation
of absolute and relative values, and
statistical calculations (maximum, minimum,
mean, and integrated values for
fixed intervals)
Report function (/M3)
You can calculate the maximum, minimum,
average values, and integrated
value of the measured results, and print
hourly, daily and monthly reports. The
calculated values are also recorded in
the report results.
Memory function
You can select a floppy disk function
with 512 kB SRAM capability for storage
of information on a removable media.
You can save several configuration
setups and in addition store the
measured data before and after an
alarm, and also calculated values.
You can record the memorized data on
DR230 chart, transfer it off-line to a PC,
or analyze it or make it into a report using
commercially available spreadsheet
software.
You can save the measured data in
the following cases:
- By manual command or when a communications
command is input
- When an alarm is detected
- When the end of the chart is reached
The save modes are as follows:
- Single: Data of the specified length is
sampled once only.
- Repeat: Data of the specified length
is sampled exactly the number of
times specified in advance.
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- 10 to 300 isolated inputs
- Scanning speed of 500 ms/300 channels for high speed, accurate measurement
- Network data aquisition using Ethernet interface
- Greatly reduced size and weight for efficient space utilization
- Reduced wiring for excellent cost performance
- Flexibly configured and expanded to meet a wide range of needs, from small-scale data logging to multi-point data acquisition
- Application software that supports efficient data gathering and processing
- Measurement interval: As low as 0.5 sec.
- Flexible inputs: DC Voltage, Thermocouples, RTDs, mAmps, AC Voltage/Current, Strain, Pulse
- Optional FDD Optional Features: Alarm outputs, DI/DO, computer interface (RS-232, GPIB, RS-422/485), math functions, report functions
- Multi-point recorder and data logger in one instrumentHigh Speed Recording at a 2-second Interval
- Programable Ten-Color Recording
Versatile Recording Formats:
- Analog trends
Records clearly in 10 colors. You can assign the recording color to each channel.
- Digital recording
Measured values are recorded digitally either an interval based on the chart speed, or at your specified interval. You can also start the recording of data by a remote contact input.
- Manual recording
By pressing a key, analog recording can be interrupted and one scan's measured values recorded digitally.
- Alarm printout
A change in the alarm status (ON/OFF state and time, for each channel) is printed out.
- Scale printout
The recording scale is printed out for each channel.
- Message printout
The contents of a preset message are printed out by pressing a key, contact closure on a remote control terminal, or when an alarm is detected. You can preset up to five messages of 16 characters each.
- Header printout
Headers are printed as comments (five rows of 80 characters) for experiments or process monitoring.
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The DR230 is the latest hybrid data recorder of Yokogawa's expertise, scanning with a speed of up to 300 points in 0.5 seconds and recording these to strip chart or saving this data to the 3.5 inch FDD. With its powerful computing and reporting functions as well as other unique features, this recorder is ideal for various fields of R&D and laboratory applications.
The DR230 is available in two versions, a stand-alone model which has an integrated input, output and recording section and a maximum capacity of 30 channels. The expandable model uses input modules which can be easily expanded from 10 to 300 channels in 10 channel increments. Alarm output modules are also available. The input and output sections of the expandable model are modularized, enabling you to freely configure the optimum data acquisition environment.
This highly reliable, expandable and economical unit was developed as the next generation hybrid recorder. It also meets a wide range of needs from small scale data logging to multi-point data acquisition.
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- High speed, accurate measurement:
The DR230 expandable model has a scanning speed of 500 ms/300 channels, while the stand-alone model scans up to 30 channels in 2 seconds.
- Cost-effective
The depth and weight of the DR230 are significantly less than conventional multipoint strip chart recorders, thus reducing total
control panel volume. A DR230 configuration can also greatly reduce the amount of wiring needed, particularly for remote measurements, providing a favorable cost/performance ratio.
- High expandability:
The DR230 can be flexibly configured and expanded to meet a wide range of recording, small-scale data logging and multi-point data acquisition needs. The recorder accepts a large variety of inputs including: voltage, temperature (thermocouple, RTD), contact, power monitor, pulse, strain and DCA signals.
- High reliability and environmental durability:
The DR230 recorder provides high reliability and performance over a wide range of environmental conditions.
- Support for efficient data:
processing You can configure your personal computer based data acquisition environment with ease.
- Expandable models
The DR230 data recorder is expandable enabling you to start with a small number of channels, and conveniently expand, up to 300 channels. The architecture of the DR230 allows you to increase the number of input and/or output modules as your application needs change. The versatility of the DR230 recorder enables you to freely configure a recording/data acquisition environment that matches your particular application, while effectively reducing your initial investment.
- Available Modules
- DCV/TC/DI Input Modules
- DC Current Input Modules
- Power Monitor Modules
- Strain Measurement Modules
- Pulse Measurement Modules
- Digital Input Modules
- Alarm Contact Output Modules
- DI/DO Modules
- Communications Modules
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| Function |
Description |
| input |
Integration
mode selection |
You can select the 50/60 Hz or 10 Hz integration mode. The 10 Hz integration mode is useful when power line noise containing both 50 Hz and 60 Hz components is superimposed on the signal. (When
the 10 Hz integration mode is activated, the minimum measurement interval is 4 seconds.) |
| Low-pass filter |
You can insert a low-pass filter in the path of a signal on which noise components are superimposed. (When the filter
is ON, the minimum measurement period becomes more than 3 seconds, depending on the input types and channels.) |
| Scaling |
The input signal is displayed and/or recorded as an industrial quantity or a physical quantity. |
| Burn-out |
When the thermocouple input goes open circuit, the indicator moves to the 100% or 0% side. |
| Differential computation |
The difference between the reference channel and measured channel is measured. |
| Record |
Zone recording |
The recording area can be set freely for each channel. |
Partially
compressed
recording |
Unimportant parts are compressed, and only necessary parts are expanded, thus enabling the recording resolution to be increased. |
Group
channel trend |
Only channels that belong to a specified group are recorded. Switchover between groups can be done using a remote contact. |
Alarm generation
channel trend |
Trend recording takes place only for channels that emit an alarm. |
| Setting |
Memory backup |
The set data is protected by a lithium battery inside the unit. |
| Security |
The unit comes with a standard password lock function, preventing mis-operation and also protecting the set data. |
Alarm
|
Setting |
You can set a 4-level alarm (upper and lower limits, difference between upper and lower limits,
percentage change rising and falling limits) for each channel. |
Re-breakdown
re-alarm |
The alarm output can be refreshed when an alarm is emitted. |
| Hold function |
Once an alarm is emitted, the alarm indication and relay state are held until the operator acknowledges the alarm |
| Option functions |
General purpose communication function (GP-IB, RS-232C) and alarm output relay (10 make contacts)
DI/DO functions (recorder action control function, fail function, chart end function), etc. |
Conformity to
standards |
CSA |
Obtained CSA22.2 No.1010.1,
Installation category (Overvoltage category) : II, Degree of pollution : 2 |
| UL |
Obtained UL3111-1 (CSA NRTL/C) |
| CE |
EN61326
EN61000-3-2
EN61000-3-3
EN55011 Class A Group 1
EN61010-1
Measurement category : II, Degree of pollution : 2 |
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- External Dimensions; Weight (with I/O module installed)
DR231: approx. 438 (W)3291 (H)3336 (D) mm; approximately 13 kg
DR232: approx 438 (W)3291 (H)3301 (D) mm; approximately 9 kg
DS400: approx 336 (W)3165 (H)3100 (D) mm; approximately 2.5 kg
DS600: approx 422 (W)3176 (H)3100 (D) mm; approximately 3.5 kg
For model DR231, the DC power supply option adds 45 mm to the depth and 1.5
kg(f) to the weight.
- AC Power Supply
Rated supply voltage: 100 to 240 VAC
Usable supply voltage: 90 to 250 VAC
Rated supply frequency: 50/60 Hz
- DC Power Supply (for the DR231 stand-alone model)
Rated supply voltage: 12 to 28 VDC
Usable supply voltage: 10 to 32 VDC
Terminal: Dedicated connector
- Insulation Resistance
At least 20 MW at 500 VDC between the power supply and ground, between each
terminal and the ground, and between input terminals
- Withstanding Voltage
Between power supply terminal and ground:
1,500 VAC (50/60 Hz, 1 min.)
Between input/output terminal and ground:
1,500 VAC (50/60 Hz, 1 min.)
- Normal Operating Conditions
Supply frequency: 50 Hz ±2% or 60 Hz ±2%
Ambient temperature: DR231, DR232 0 to 50°C
(FD operation 5 to 40°C)
DS400, DS600 Panel mount –10 to 60°C
Desk-top –10 to 50°C
Ambient humidity: 20 to 80% RH (between -10 and 40°C)
- Safety Standards
CSA C22.2 No. 1010.1-92, IEC1010-1:1995, EN61010
EMI Standard
EN55011:1991 Group 1 class A
EMC Standard
EN50082-2:1995
- Memory Function Section
Memory Media
3.5-inch floppy disk drive with 512 kB SRAM buffer memory
- Data Capacity
10 data/ch to 50 kdata/ch (Total data memory should be less than total memory length.)
- Applicable data
Setting values, measured values and computed values except report calculating values
- Memory Mode
Binary
Can be converted to ASCII (CSV) format for copying buffer memory data to floppy disk.
- Sample Rate
Synchronized with the measurement interval of the recorder unit, or synchronized with event.
- Alarms
Number of Settings
Up to four settings can be made for each channel.
- Kinds of Alarms
Upper/lower limit, difference upper/lower limit, upper/lower limit of percentage change, upper or lower limit only for the results of computation Percentage change alarm time interval: 1 to 15 scans
- Number of Alarm Output Points
DR231: 12 maximum (alarm option: 10; DI/DO option: 2) DR232: 300 in total Standard Computation Functions
- Kinds of Computation
Difference between arbitrarily selected channels, linear scaling, moving average, pulse integration
Scalable range: DC voltage, thermocouple, RTD, contact
Scaling range: –30,000 to +30,000
Moving average: 2 to 64 scans
Pulse integration: Effective when a pulse input module is recognized
(up to 60 channels)
- Fail, Chart End Output
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