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PCLD-789D

PCLD-789D

  • Multiplexes 16 differential inputs to one A/D input
  • Expands a PC-LabCard™ product’s analog inputs to 128 channels
  • High-grade amplifier provides switch selectable gains of 1,2,10,50,100,200,1000
  • Onboard cold-junction compensation circuits for direct thermocouple measurement
  • Built-in signal conditioning functions include filter, attenuator and current shunt
  • Second connectors onboard allow daisy chaining
  • Screw-clamp terminal blocks permit easy and reliable connections

  • 產品介紹
    PCLD-789D is a front-end signal conditioning and channel multiplexing daughterboard for use with PC-LabCardTM product's analog input ports. It multiplexes 16 differential input channels into a single A/D converter input channel. You can cascade up to teh PCLD-789Ds, allowing a single data acquisiton card to access 166 analog input channels.
    PCLD-789D has DB37 and 20-pin flat cable connectors and lets your PCL-818L or PCL-818HD access up to 128 channels without using an additional digital output cable to select channels. The PCLD-789D uses a high-grade instrumentatio amplifier that provides switch-selectable gains of 1, 2, 10, 50, 100, 200 and 1,000. This amplifier lets you accurately measure low--level signals with your PC-LabCardTM product. The board also contains a cold-junction sensing circuit that allows direct temperature measurement from thermocouple transducers. A wide variety of thermoncouples are supported with software compensation and linearization.

    產品規格  

    I/O

    Cold-junction Compensation

    24.4 mV/°C , 0 V at 0°C

    Input Channels

    16 differential

    Input Conditions

    Gains

    CMRR

    Nonlinearity

    Setting Time

    1,000

    125 dB

    0.005% FSR

    75 µsec

    100

    115 dB

    0.005% FSR

    15 µsec

    10

    105 dB

    0.007% FSR

    15 µsec

    1

    85 dB

    0.015% FSR

    15 µsec

    Input Range

    ±10 V max. depending on the daisy chaining

    Output Range

    ±10 V max.

    Overvoltage Protection

    ±30 V continuous

    General

    Certifications

    CE

    Connectors

    Controller:

    2 x 20-pin box header, second connector in parallel for daisy chaining

    I/O: Screw terminals

    Dimensions(L x W)

    205 x 114 mm (8” x 4.5”)

    Mounting

    4 x screw holes for flat surface mounting

    Power Consumption

    5V @380 mA max.

    * 上述商品規格僅供參考,實際規格以實物為準。


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