133323-01 key interface module

Bently

133323-01 key interface module

133323-01 key interface moduleBENTLY 133323-01 is a key interface module in the

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Product Details

133323-01 key interface module

BENTLY 133323-01 is a key interface module in the Bently Nevada (now part of GE Vernova) 3500 Series Monitoring System. It is primarily used for signal adaptation and data interaction between the system and external devices (such as sensors, controllers, and alarm devices), serving as a core connection component in condition monitoring and protection systems for rotating machinery (e.g., steam turbines, generators, compressors). Below is detailed information:

I. Core Technical Parameters

Category	Specific Parameters
Applicable Systems	Designed exclusively for the Bently Nevada 3500 Monitoring System, compatible with components like the 3500/15 power module and 3500/20 frame interface.
Power Requirements	Operating voltage: 24V DC (±10% fluctuation tolerance); Power consumption: Typical 5W, maximum 8W.
Signal Interface Types	1. Analog input: Supports 4-20mA current signals (from vibration, displacement, and speed sensors).2. Digital input: Dry contact signals (for equipment status feedback).3. Communication interface: RS485 (Modbus RTU protocol) with adjustable baud rates from 1200 to 19200bps.
Channel Configuration	8 analog input channels (independently isolated), 4 digital input channels, 2 relay output channels (for alarm/interlock).
Measurement Accuracy	Analog signal acquisition accuracy: ±0.1% FS (full scale); Resolution: 16-bit AD conversion.
Environmental Adaptability	Operating temperature: -40°C ~ +70°C; Storage temperature: -55°C ~ +85°C; Humidity: 5% ~ 95% (non-condensing).

Signal Isolation and AdaptationThe module provides electrical isolation between channels (isolation voltage: 500V AC) for input analog/digital signals, preventing measurement errors caused by external signal interference. It also protects the 3500 system host from external circuit faults (e.g., overvoltage, short circuits), making it ideal for complex electromagnetic environments in industrial sites.
Real-Time Data Acquisition and TransmissionIt supports real-time acquisition of signals from vibration sensors (e.g., Bently 3300 series eddy current sensors) and speed sensors, with a maximum sampling rate of 1kHz. Collected data is transmitted to the frame interface module via the 3500 system backplane bus and finally uploaded to the monitoring host or DCS system, with latency <10ms.