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PCLD-788

PCLD-788

  • 16 to 1 channel expansion
  • Differential and fully isolated multiplexing
  • Break-before-make relay control
  • “Channel closed” signal for precise A/D triggering
  • Up to 16 PCLD-788s can be cascaded for 256 channels
  • Easy wiring for large channel count configuration
  • Onboard cold-junction circuitry for thermocouple measurement

  • 產品介紹
    PCLD-788 multiplexes 16 channels into a single I/O channel of an A/D converter, voltmeter or IEEE-488-based instrument. Up to 16 PCLD-788s can be cascaded for a total of 256fully-isolated differential channels. The PCLD-788 can be controlled by any PC-LabCard™ product via a 16-bit 20-pin digital output port, found on cards such as the PCL-711B,PCL-812PG or the PCL-818 series.Channel selection (0-15) and board selection (0-15) are done by programming the high-order four bits and low order four bits of a digital output byte from the main I/O card in use.

    產品規格  

    I/O

    Channel Closed Signal

    TTL-level pulse

    Cold-junction Sensor

    24.4 mV/°C , 0 V at 0°C Output

    Contact Rating

    Break-before-make with 3 msec.

    minimum break time

    Contact Resistance

    200 mΩ max.

    Input Channels

    16 isolated differential inputs

    Programming

    DO bit 0,1,2 and 3 for channel selection, DO bit 4,5,6 and 7 for board  selection. Onboard DIP switches for board-address setting.

    Max. Input Voltage

    100 VDC or 100 V peak AC

    Max. Switching Current

    0.5 A

    Max. Switching Power

    10 VA

    Operation Time

    1 ms max.

    Relay Life Expectancy

    100 million cycles min. at 10 VDC and 1 mA

    Release Time

    1 msec. max.

    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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