| 2000 Series |
| 3000 Series |
| 3KPlus Series |
| 3500 Series |
| 4000 Series |
| 5D Series |
| System 10 |
| MeasuringPad |
| SPS6000 |
| SPS8000 |
| Cards |
| Transducers |
| Software |
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Intelligent
High-Speed |
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Standard Features:
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Optional features:
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2000 Series instruments have been evaluated to the applicable CSA and ANSI/UL Standards, for use in Canada and the U.S. |
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YOU CAN ORDER
2000 SERIES INSTRUMENTS DIRECTLY FROM THIS WEB SITE. Click the ORDER ONLINE button to go to the 2000 Series MODELS listing. |
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View
/ download
the complete 2000 Series section of the Daytronic Instruments Catalog
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2000 Series Setup Software (click on an image to enlarge)
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| 2000
Series General
Description [Back
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Offering a full choice of main assemblies, data displays, power supplies, signal conditioners, analog outputs, dual-setpoint controllers, and communication interfaces, the Daytronic 2000 Series represents a versatile, low-cost solution to a wide range of monitoring and control applications. Advanced circuit design and software provide performance and programming features not found in any other instrument at this price.
There are two main types of 2000 Series instruments: Digital Panel Meters (DPM's) and Counter Meters.
2000 Series options include
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Isolated relay outputs (contact or solid-state) |
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Isolated analog output (0-20 mA or 0-10 V) |
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RS232 or RS485
interface (allows use of 2000 instruments as |
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Low AC/DC power (9-32 VDC, 8-28 VAC) |
These rugged modular instruments ensure fast control response, true peak readings, and high-accuracy linearized analog output. Digital scaling of zero and span provides direct readout in engineering units.
Simple front-panel push-button or RS232/RS485 setup lets the user customize each unit for a specific application. Selective security lockout of the front-panel setup protects against accidental configuration changes and simplifies use by the operator.
The 2000 Series is designed for industrial installation. Each unit is housed in a compact, rugged 1/8 DIN case of GE Lexan which fits in a standard 45 x 92 mm panel cutout and requires only 107 mm (4.2 in.) behind the panel (plus connectors). The case is sealed to NEMA-4X (IP-65) requirements from the front to allow high-pressure washdown when panel-mounted.
All wiring is by removable plugs conforming to IEC950 safety standards. Standard power and signal connections are via UL/IEC/CSA-rated screw-clamp terminals. All output options are isolated from meter and power ground by 250 V-AC minimum.
Every instrument can be powered worldwide without changes to the supply (see Specifications). Both the standard meter supply and the optional low-voltage supply are fully compliant with UL/IEC/CSA safety standards. Both supplies have isolated 5, 10, and 24 VDC excitation outputs to power external sensors, transmitters, and up to four 350-ohm load cells. In addition to the isolated excitation output, regulated 5 VDC at up to 50 mA is brought out and can be used to power external logic
The 2000 Series' system of plug-in
circuit boards makes for exceptional flexibility and performance. In
addition to its "Main Module" (its essential microprocessor and
display boards), each 2000 Series model is equipped with a specific Power Supply
Board and Input Board for Digital Panel Meter or Counter
Meter—plus any of several field-installable OPTION
boards.
| 2000
Series Basic Meter Specifications [Back
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Physical / Environmental |
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Case |
NEMA 4 (IP65) when mounted in panel; 1/8 DIN, with high-impact GE Lexan housing material |
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Instrument Dimensions (HWD) |
48 mm (1.89 in.) x 96 mm (3.78 in.) x 117 mm (4.61 in.)—including connectors; see diagram, below |
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Panel Cutout Dimensions (HW) |
45 +0.6/-0.0 mm (1.722 + 0.24/-0.0 in.) x 92 +0.8/-0.0 mm (3.622 +.032/-0.0 in.) |
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Operating Temperature Range |
0° C to 55° C (32° F to 131° F) |
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Storage Temperature Range |
-40° C to 85° C (-40° F to 185° F) |
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Relative Humidity |
95% at 40° C (104° F), noncondensing |
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Input Voltage (Standard) |
Universal 85 to 264 VAC; 90 to 370 VDC |
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Low-Level
Input Voltage |
Universal 8 to 28 VAC; 9 to 37 VDC |
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Frequency |
DC and 47 to 440 Hz |
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Consumption |
5.3 W max |
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Power Isolation |
Safety-rated to 250 VAC, meter ground to earth ground, DC to 60 Hz, 4.2 kV peak per high-voltage test |
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Power (Excitation) |
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Outputs |
5 VDC, 5%, 100 mA
max. |
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Output Selection |
Via shorting jumpers on Power Supply Board (normal setting is 10 VDC) |
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Ripple |
50 mV peak-to-peak max. |
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Isolation to Meter Ground |
50 VDC |
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Display |
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Readout |
5 digits (Conditioner Meters) or 6 digits (Counter Meters), with blanking of leading (nonsignificant) zeroes; 7-segment; 14.2 mm (0.56 in.) high |
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Color (Standard) |
Red (green available on request) |
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Range (Conditioner Meters) |
-99999 to +99999 and -99990 to +99990 (count by 10 with rounding) |
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Range (Counter Meters) |
-999999 to +999999, with programmable decimal point; selectable count by 10 or 100 with rounding; XXXXEX scientific notation beyond 999999 (RATIO or DRAW mode with "R" Option, only) |
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LED Lamps |
Minus sign; 2 red alarm-status indicators; 1 yellow displayed-item indicator (Counter Meters only); see diagram, below |
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| Digital
Panel Meters (DPM's) [Back
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There are specific panel meter models for
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Input signals may be displayed as voltage or current, or be scaled from the DPM front panel to five full digits (from -99,999 to +99,999), to read directly in engineering units such as PSI.
Dependable Calibration
Three calibration methods are selectable: scale and offset, two-point, and system-level (using actual transducer signals). All ranges are precalibrated at the factory, with calibration factors for each range stored in nonvolatile EEPROM.
Recalibration is therefore unnecessary when changing ranges in the field. for temperature meters, data display in °C or °F is selectable from the front panel.
All versions of the DC Voltage, DC Current, Process Signal, and Strain Gage Meters allow easy setting of scale and offset by either of two methods:
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With the coordinate reading method, the meter reads the high and low signal values, and the user enters the desired high and low reading values. The meter then calculates the appropriate span multiplier and offset. This method is ideal if an external calibration reference is available. |
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With the manual coordinate method, the user enters the high and low input values in volts, plus the desired high and low reading values. This method is suitable in the absence of an external calibration reference. |
High-Speed A/D Conversion
A unique Concurrent Slope A/D technique yields 60 conversions per second (50 for 50-Hz operation), while integrating over a full cycle of the line for maximum noise reduction. Self-calibration cycles reduce the average reading rate only slightly, to 56 per second (47 for 50 Hz). This exceptionally fast read rate provides an accurate display of peak signal input and quick response in control applications.
Selectable Signal Filtering
Data readings and outputs can be separately selected to be either filtered or unfiltered.
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An unfiltered selection updates after each conversion for fastest response, up to 60/sec, while integrating the input signal over a full power cycle. Fast read rate provides true peak readings and aids in control applications. |
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A batch average filter selection averages each 16 conversions for an update every 1/4 second. |
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An adaptive moving average filter selection provides a choice of 8 time constants from 80 ms to 9.6 s. When a significant change in signal level occurs, the filter adapts by briefly switching to the shortest time to follow the change, and then reverts back to its selected time constant. |
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Another choice is Autofilter, which automatically selects the best time constant for the existing level of signal noise, ensuring stable displayed readings and outputs, while responding rapidly to changes of the input signal that exceed a selected threshold value. |
Advanced Meter Features
The peak value of the input can be displayed at the push of a button, or on receipt of a control signal at the rear connector (since the last meter reset). Other controls via the rear connector include meter hold, meter reset, peak reset, and decimal point selection (see Specifications, below).
Auto-tare capability allows the display to be instantly zeroes for any input signal. This is a standard practice in weighing applications, to subtract out the weight of the container. The tare offset is normally achieved by applying a switch closure or logic signal at the rear connector. The tare value is stored in nonvolatile memory and is therefore retained on loss of power.
"Extended" DPM
An
optional "Extended" DPM version allows extremely accurate custom
linearization of a nonlinear input signal such as a thermistor or altimeter
reading, or the level or pressure reading of lique in an irregularly shaped
tank. It is also capable of measuring and displaying rate of change (as,
for example, in flow rate measurements). Contact
the factory for further information on this option.
| General
Digital Panel Meter Specifications [Back
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A/D Conversion |
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Technique |
Concurrent Slope |
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A/D Rate |
60/s at 60-Hz operation; 50/s at 50-Hz operation |
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Output Update Rate |
56/s at 60 Hz; 47/s at 50 Hz |
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Display Update Rate |
3.5/s at 60 Hz; 3/s at 50 Hz |
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Connections |
Digital inputs and ground are received at the Power Connector (J1); selection of control functions is accomplished by internal jumper |
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Hold Input |
Logic 0 holds display and outputs |
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Peak Input |
Logic 0 displays peak value |
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Tare Input |
Logic 0 offsets input value to zero |
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Reset Input |
Logic 0 resets all meter functions |
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Function Reset Input |
Logic 0 resets peak values and alarms |
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Decimal Point Input |
Controls decimal-point position of displayed value; overrides internal decimal-point selections |
| Counter
Meters [Back
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These instruments can handle a wide range of monitoring and control applications related to count, frequency, speed, flow rate, timing, totalizing, batching, or position. There are specific counter meter models for
A high-stability crystal and digital calibration of all ranges eliminate the potentiometer-related drift that is found in most non-microcomputer-based meters.
Fast, Accurate Measurement
Every counter meter determines frequency by timing an integral number of periods over a programmable gate time, and then taking the inverse of the period. This approach permits much greater accuracy and faster update than conventional rate meters, which count signal pulses over a specified time interval.
At the minimum gate time of 10 ms, an update rate as high as 25/second can be achieved. Such fast response is ideal for peak capture and for alarm and control applications. Variations in the displayed reading can be reduced by selecting a longer gate time. An adaptive filter can further reduce variations due to noise while rapidly responding to actual changes in the input signal (see individual meters). Rate in desired engineering units—such as liters per second—is obtained by multiplying the input by a scale factor.
Voltage-to-Frequency Counter
A
special two-channel "V-to-F" meters is also available, for direct
measurement and display of frequency (0 Hz to 2 MHz), rate (in
engineering units), and period (inverse of frequency). Each channel
may be independently scaled for the desired parameter. An
"extended" version of V-to-F Meter provides additional functions,
including simultaneous display of rate and total; various arithmetic operations
involving the two inputs, including ratio (A/B) and "draw" (A/B-1);
and linearization of nonlinear inputs. Contact
the factory for further information on both standard and optional functions
of the V-to-F Counter Meter.
| Counter
Meter Specifications [Back
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A/D Conversion |
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Frequency Measurement Technique |
Inverse period |
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Rate |
Gate Time + 30 ms + 2 periods of the input signal (max.); for minimum gate time, this yields a rate of 25/s |
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Gate Time |
Selectable 10 ms to 199.99 s |
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Zero Wait Time |
Selectable 10 ms to 199.99 s |
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Scale Factor |
±10-10 through ±106 |
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Output and Display Update Rate |
Same as conversion rate (above) |
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Digital Control Inputs (CMOS/TTL)* |
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Connections |
Digital inputs and ground are received at the Power Connector (J1); selection of control functions is accomplished by internal jumper |
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Hold Input |
Logic 0 holds display and outputs |
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Peak Input |
Logic 0 displays peak value |
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External Gate Input |
The gate time starts when the input goes low and ends when it goes high; when External Gate is selected, it overrides the internal gate |
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Reset Input |
Logic 0 resets all meter functions |
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Function Reset Input |
Logic 0 resets peak values and alarms |
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Decimal Point Input |
Controls decimal-point position of displayed value; overrides internal decimal-point selections |
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* For modes of counter meter operation that allow display of multiple items, combinations of digital control inputs can be used to select "Item #1," "Item #2," or "Item #3" for display. |
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