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DataForth 8B40-02 signal I/O module, 1kHz BW Isolated milli V Input, US $230 – Picture 0
DataForth 8B40-02 signal I/O module, 1kHz BW Isolated milli V Input, US $230 – Picture 0

Dataforth 8b40-02 Signal I/o Module, 1khz Bw Isolated Milli V Input

US $230

  • New Iberia, Louisiana, United States
  • Oct 23rd
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DataForth  signal input / output module Model: 8B40-02 1kHz Bandwidth  Isolated millivolt Input Input: -50mV to +50mV Output: -5 V to +5 Volt New Old Stock, in plastic wrapper.  One unit removed to make photos.  Surface scratches to product label.  Aerospace manufacturer surplus. Per the DataForth website: 8B modules are an optimal solution for monitoring real-world process signals and providing high-level signals to a data acquisition system.  Each 8B40 or 8B41 module isolates, filters, and amplifies a voltage input signal and provides an analog voltage output.  Signal filtering is accomplished with a 5-pole filter optimized for time and frequency response which provides 100dB per decade of normal-mode rejection above 1kHz.  One pole of this filter is on the field side of the isolation barrier for anti-aliasing, and the other four are on the system side.  A special input circuit on the 8B40 and 8B41 modules provides protection against accidental connection of power-line voltages up to 240VAC. Clamp circuits on the I/O and power terminals protect against harmful transients.  Isolation is provided by optical coupling to suppress transmission of common mode spikes or surges. The module is powered from +5VDC, ±5%. The modules are designed for installation in Class I, Division 2 hazardous locations and have a high level of immunity to environmental noise.

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