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Versatile Input Phidget - DAQ1400_0

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    Versatile Input Phidget - DAQ1400_0

    Most of the sensors sold at Phidgets are simple 0-5V devices that can be read directly from a VINT port (See the Connection & Compatibility tab for a list of VINT Hubs). But sometimes, you need a special sensor, be it a 4-20mA pressure sensor or a frequency output flow meter. The Versatile Input Phidget aims to provide an interface for as many types of sensors as possible while still keeping its compact form and low price point. Listed below are the various options for this adapter:



    Power Supply 12V/24V

    If you have a sensor that requires more than the typical 5V, this option allows you to generate a 12V or 24V power supply. This power is supplied directly through the VINT port with no need for an external power supply, cutting down on messy power wiring. You can also turn the power off through a command in your program as a power saving and control feature.

    Voltage Input 5V

    Functional

    Similar to a VINT port opened in VoltageInput mode, this input will read in a 0-5V signal from a 5V sensor. This input is included primarily for industrial sensors that require a 12V or 24V supply, but still return a 0-5V signal. This input, however, does not support ratiometric sensors. For sensors that only require 5V power, you can just use a VINT Hub or InterfaceKit.

    Current Input 4-20mA

    Functional

    This input can interface sensors with a 4-20mA output. These sensors are often used in applications with long wires where a voltage signal would normally drop off due to line resistance and be susceptible to interference. You can also use this input to measure small currents in a circuit, but only in the range of 0.5 to 20mA.

    FrequencyCounter Input

    Functional

    Do you have a sensor that outputs a frequency signal, or do you need to count the number of logic-level pulses on a line? With this input, you can count pulses and measure the frequency being output by your sensor up to a maximum 1 MHz. You can also select a cutoff frequency in software to determine when a frequency is considered to be 'zero'.

    Digital Input PNP/NPN

    Functional

    For a sensor with a simple output that switches to logic high (PNP), or switches to the ground (NPN), this input provides a 10 kΩ internal resistance to pull the line down or up, respectively.

    Product Specifications

    Board Properties
    Controlled By VINT
    Voltage Sensor
    Voltage Resolution 71 μV DC
    Sensor Input Impedance 100 kΩ
    Input Voltage Min (DC) 0 V DC
    Input Voltage Max (DC) 5 V DC
    Sampling Interval Max 60 s/sample
    Sampling Interval Min 20 ms/sample
    Measurement Error Max 0.03 %
    Number of Voltage Inputs 1
    Electrical Properties
    Available External Voltage 12 or 24 V DC
    Current Consumption (Configured) 8 mA
    Current Consumption (Unconfigured) 24 μA
    Current Input
    Input Current Min 500 μA
    Input Current Max 20 mA
    Current Measurement Resolution 10 μA
    Measurement Error Max 0.1 %
    Sampling Interval Max 60 s/sample
    Sampling Interval Min 20 ms/sample
    Digital Inputs
    Digital Input Type NPN/PNP
    Number of Digital Inputs 1
    Digital Input Voltage Max 24 V DC
    Pull-up Resistance 10 kΩ
    Pull-down Resistance 10 kΩ
    FrequencyCounter Input
    Number of Channels 1
    Input Frequency Max 2 MHz
    Frequency Error Max 1 %
    Counting Rate Max 1E+06 pulses per second
    Physical Properties
    Recommended Wire Size 16 - 26 AWG
    Operating Temperature Min -40 °C
    Operating Temperature Max 85 °C

     

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