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DASYLab- Módulos de Funciones

DASYLab es una aplicación GUI que te permite desarrollar rapidamente aplicaciones DAQ personalizadas sin necesidad de programar. Si no se tiene el tiempo o las habilidades para programar para escribir un programa DAQ, se necesitara el DASYLab!. Usando ésta intuitiva hoja de trabajo, módulos y funciones de cableado, sólo estarás a unos clicks de una aplicación completa.

Categorías de los Módulos

Entradas/Salidas	Display	Matemáticas
Procesamiento de Señales	Archivos	Estadísticas
Trigger	Reducción de Datos	Red
Control	Módulos Especiales

Entradas/Salidas

Analog In-/Output: up to 32 input modules and up to 512 channels up to 2 output modules and up to 32 channels

Digital In-/Output: up to 32 input modules and up to 512 channels up to 2 output modules and up to 32 channels

Counter Input: up to 2 modules and up to 32 channels

Frequency Output: up to 2 modules and up to 32 channels

RS 232 Input: extremely expandable with Master/ Slave modules (up to 256 channels with each serial interface)

RS 232 Output: output of data or fixed strings for up to 16 channels

Icom Input: Universal serial module to be used with TCP/IP,GPIB and RS232. Master-/ Slave modules with max. 256 channels.

Icom Output: Output of data or Strings via TCP/IP, GPIB or RS232.

IEEE 488 In-/Output: supports Measurement Computing GPIB, National Instruments, INES (Input only), or IOtech hardware

DDE In-/Output: up to 16 modules and up to 256 channels

IVI Modules: Handles devices with an IVI compatible interface (Oscilloscope, Multimeter, Function Generator).

MODBUS Modules: With these modules the MODBUS protocol enables DASYLab to read and write Analog and Digital registers for signed and unsigned integer registers, RS232 only.

Procesamiento de Señales

Filter: Digital IIR filter with definable order and characteristics

Correlation: Compute correlation coefficient, cross-correlation, autocorrelation, spectrum

Data Window: Various types of evaluation windows, e.g. rectangle, Gauss, Bartlet and other types

FFT: Calculate and analyse the discrete spectrum of a signal

Polar/Cartesian: Convert data values between polar and cartesian coordinates

Electrical Characteritics: Use the values of Current and Voltage to calculate electric characteristics such as Ueff, cosp etc..

Harmonic Distortion: Calculates the amplitude and phase of the fundamental frequency and up to 48 harmonic waves.

Period Check: Calculates the period of a signal by checking its zero crossings.Period Check: Calculates the period of a signal by checking its zero crossings.

Trigger

Start/Stop Trigger: Selectable start and stop conditions

Pre/Post Trigger: Amplitude- and slope-based triggers with hysteresis can be specified

Combi Trigger: Separate signal segments according to logical conditions

SampleTrigger: Separate intervals of a signal based on a predetermined number of samples.

Trigger on Demand: Separate samples depending on the dynamic behavior of the signals.

Relay: Control up to 15 channels with one input signal

Control

Generator: Signal generation with frequency and amplitude modulation

Switch: On/off or momentary switch for program and data control

Coded Switch: Select from preset values by positioning a rotating switch or clicking on buttons.

Slider: Definable signal range; signal level to be modified during measurement

PID Control: Proportional, integral and derivative components can be specified freely; new auto-tuning function

Two Point Control: Up to 8 control circuits. Selectable set values are compared with actual values

Time Delay: Data output after a specified period of time

Latch: Constantly outputs the input value received last

TTL Pulse Generator: generates TTL signals with specified duration and switch conditions

Read Variable: Read Global Variable to generate a data channel to be used in the worksheet

Save Variable: Save data channel to a Global Variable to be used in module parameters and computations

Router: Route data channel based on control input (amplitude or edge) or based on time (blocks, time, or action controlled)

Block Time: Extracts the time information of a block and puts time and date into global variables

Stop: stops or interrupts measurement according to specified conditions

Display

Y/t Chart: High-speed scope display for fast data with a wide range of display options

X/Y Chart: Display data blocks of two dependent signals as an X/Y plot, including a Polar plot view.

Polar Plot Chart: Display data blocks of two dependent signals (X/Y or polar data) in polar coordinates with a third data as flags.

Analog Meter: Provides several shapes of instruments and offers peak hold and trend indicator options

Digital Meter: Display the value, with trend display and lower/upper marks. Formats include decimal, hex, octal, binary, ASCII & Clock

Bar Graph: Bar (horizontal/vertical), thermometer, LED or triangle style; trend and range display options

Chart Recorder: Chart display for slow data, wide display area and a wide range of display options.

List: Show data values displayed in list form; several formatting options

Status Lamp: TTL or Digital Signal status displayed as text and/or images.

Archivos

Read Data: Read data from floppy/hard disk files; supports DASYLab, IEEE-32-bit, ASCII format

Write Data: Write data to floppy/hard disk files; supports DASYLab, IEEE-32-bit, ASCII, Diadem and other formats

ODBC Input/Output: Exchange data between DASYLab and ODBC data bases.

Reducción de Datos

Average: Reduce data using running or summation averages

Block Average/Peak Hold: Reduce data across data blocks using running or summation average, or using Peak Hold (Minima or Maxima)

Separate: Reduce data by skipping defined number of samples (or blocks) only; outputs one, then repeats

Merge/Expand: Merge data from several channels or distribute signals from one channel to others

Cut Out Block: Output specified samples of a block

Time Slice: Output data from different channels according to specified switch conditions

Shift Register: Stores data, one point at a time, into a temporary register, and outputs the block repeatedly

Circular Buffer: Save an interval of the data stream and send it to the modules output via event driven action

Módulos Especiales

Black Box: Sub-worksheet unit containing worksheet sections; use for common functions or to manage complexity

Import/Export (Black Box): Data interface between worksheet levels (main worksheet and Black Boxes)

Action: Trigger various actions on the occurence of specified events

Message: Display or print an operator message; play a wave/AVI file; send DDE message; log messages to dedicated printer

Time base: Extract and output the time or frequency information of a signal

Signal Adaptation: Synchronize signal flows of differing characteristics

Send e-Mail: Use Windows E-Mail to send messages to any address including attachments and custom messages/alarms

Matemáticas

Formula Interpreter: Link data from several channels according to mathematical functions entered as formulas

Arithmetic: Basic arithmetic operations; various operands and exponential functions

Trigonometry: Sine, tangent, arc- and hyperbolic functions

Differentiation/Integration: Integration of signal values or slopes in the signal flow

Scaling: Linear scaling, interpolation tables, RTD linearization, thermocouple linearization, offset adjust, linear conversion factors for a large number of measurement systems

Slope Limitation: Limit the difference between values

Reference Curve: Calculates a reference Curve using one or more test runs

Logical Operations: Evaluate TTL data from input channels; operators AND, OR, XOR, NAND, NOT

Bit Operations: Perform logical operations (bit by bit) with the received data words, combine, extract, mask and shift operations

Flip-Flop: Use bistable trigger elements for intermediate data storage (FlipFlop and MonoFlop)

Gray-Code: Decodes signals generated by position encoders

Channel Comparator: Compares channels and a constant or to corresponding channels.

Estadísticas

Statistical Values: Compute max/min, average, effective values, variance and standard deviation

Position in Signal: Extract the value position as defined by sample number, date/time or frequency

Histogram: Classify data according to specific intervals and numbers of classes

Regression: Calculate constant, linear or polynomial regression curves up to an order of 20

Counter: Count blocks, edges, samples, maxima/minima, zero/level crossings and duration

Minimum/Maximum: Determine extreme values in the signal flow

Check Reference Curve: Compare the signal with a previously saved reference curve and signal deviations.

Pulse Width Analysis: Calculates the frequency, length of pulses, pauses and pulse/pause ratio in a TTL pulsed signal.

Channel Sort: Rearranges the input channels based on their values

Red

Net Input/Output: Receive or send data to one or more DASYLab Net via a TCP/IPnetwork.

Message Input/Output: Receives or Sends messages from or to other DASYLab Net via a TCP/IP network.

DataSocket Import/Export: Exchange data with OPC server via network.

Add-On de Análisis(opcional)

Sequence Generator: Generate curves and ramps of different types which can be combined in many ways.

Transfer Function: The Transfer and Coherence functions are calculated for up to 8 pairs of values.

Block Weighting: Weight each sample in block by a predefined function.

Convolution: Up to 16 Input signals are processed (superimposed) with digital filters.

Write UFF Format: Write data in the Universal File Format 58 for use in system analysis.

FFT Filter: Frequency intervals of up to 16 signals are filtered with defined conditions.

Universal Filter: Create user defined FIR or IRR Filters with a helpful filter wizard for FIR Filters.

FFT Maximum: Calculates the maximum of energy of a FFT spectrum by analysing intervals of the frequency band.

n-th Order Harmonic: Calculates the maximum of the Harmonic up to an order of 20 of FFT data

Rainflow: Several counting algorithms classify samples for Time-Stress Analysis

Two-channel Classification: Classifies the values of two diferrent temporal functions to be used for Time-Stress Analysis.

Octave Analysis: This module is used for One-Third or Octave Analysis of a signal using digital filters optimized to 40KHz

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DASYLab- Módulos de Funciones