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SensorLex8B50

Analog Voltage Input Modules (mV), 20 kHz Bandwidth

SensorLex8B50 image

8B modules are an optimal solution for monitoring real-world process signals and providing high-level signals to a data acquisition system. Each 8B50 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 100 dB per decade of normal-mode rejection above 20 kHz. 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 8B50 modules provides protection against accidental connection of power-line voltages up to 240 VAC. 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.

Circuit diagram Dataforth SensorLex8B50

Block Diagram SensorLex8B50



PDF Downloads:

  • Product Overview SensorLex8B
  • Produkt Catalog SensorLex8B
  • Backpanels and Accessories

  • 6 Modules for Type SensorLex8B50:

    ModuleInputDescription
    8B50-01 -20 mV to +20 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output
    8B50-02 -50 mV to +50 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output
    8B50-03 -100 mV to +100 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output
    8B50-04 -20 mV to +20 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output
    8B50-05 -50 mV to +50 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output
    8B50-06 -100 mV to +100 mV SensorLex8B50 Isolated Analog Voltage Input Module (mV), 20 kHz Bandwidth, with Voltage-Output

    Specifications

    top
    • Input: mV-Signal
    • Output: - 5 V … + 5 V
    • Bandwidth 20 kHz or 15 kHz (8B50-01)
    • Isolation 1500 Vrms
    • Input protection 240 VAC
    • Input Resistance 50 MOhm
    • Accuracy ± 0.05%
    • Linearity ± 0.02%
    • ANSI/IEEE C37.90.1 Input protection
    • CMR 100dB
    • True 2-way isolation
    • NMR: 100dB / Decade > 20 kHz
    • Power Supply +5 VDC
    • Operating Temperature Range -40°C … +85°C
    • Mix and Match Types on Backpanels possible
    • Dimensions 28.1 x 41.9 x 10.2 mm
    • Optional DIN Rail Mounting
    • CE compliant, C-UL-US Listed
    • Wide range of accessories
    • Special Solutions on request