Technical Specifications Input Signal: Analog signal from proximity or acceleration sensor Output Signal: 4-20mA standard analog signal Input Channel: Multi-channel Isolation Voltage: 1500V RMS between input and output Operating Temperature: -40℃ ~ +70℃ Storage Temperature: -50℃ ~ +85℃ Power Supply: Supplied by 3500 rack backplane Dimension: Standard single-slot plug-in module
Functional Features Signal filtering and amplification for raw sensor analog signal. Galvanic isolation between field input and output side. Convert monitoring signal into industry standard 4-20mA output. Built-in channel self-diagnosis for signal fault detection. Front panel LED for channel and power status. Hot-swap available under running system.
Application Scenarios Analog signal isolation transmission for rotating machinery vibration monitoring. Signal conversion from Bently sensors to DCS system 4-20mA input. Steam turbine and compressor condition monitoring system. Power plant rotating equipment signal transmission. Petrochemical plant machinery monitoring analog output interface.
Structural Characteristics Standard single-slot plug-in design matching Bently 3500 rack. Front panel LED indicators for power and channel fault. Backplane golden finger for power and rack bus communication. Front terminal block for input and output signal wiring. Internal isolation circuit with shielding housing. Locking latch for rack installation.
Working Principle Raw analog signal from field sensor enters the module. Hardware filter removes high frequency noise. Amplifier circuit adjusts signal amplitude, and isolation circuit completes electrical separation between field side and internal circuit. Then signal is converted into 4-20mA standard current signal for external transmission. The diagnostic circuit continuously monitors input channel integrity and reports fault to rack system.
Installation Requirements Insert the module into the specified slot of Bently 3500 rack. Connect field sensor signal to input terminals, connect 4-20mA output wire to DCS side. Set signal range and channel parameters through Bently configuration software. Separate signal cable from high power cable.
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