Bently Nevada 1900/65A 167699-02+172323-01 Vibration Controller

Overview

The Bently Nevada 1900/65A (167699-02+172323-01) is a precision vibration monitoring controller engineered for continuous measurement and control of rotating machinery. It provides versatile inputs for accelerometers, velocity sensors, proximity probes, thermocouples, and RTDs, combined with configurable outputs and optional Modbus communications for integration into monitoring systems.

Technical Specifications

• Manufacturer: Bently Nevada

• Model / Part Number: 1900/65A (167699-02+172323-01)

• Product Type: Vibration Monitoring Controller

Inputs:

• Transducer Inputs: Four inputs supporting 2- and 3-wire accelerometers, velocity sensors, or proximity probes

• Temperature Inputs: Four inputs for Type E, J, K, and T thermocouples, and 2- or 3-wire RTDs

Outputs:

• Relay Outputs: Six relays for alarm and control functions

• Recorder Outputs: Four 4–20 mA outputs for monitoring and recording

• Buffered Outputs: Dedicated buffered output for each transducer input to ensure reliable signal transmission

Communication:

• Modbus: Optional Ethernet or RS232/485 serial port for system integration

Physical Dimensions:

• Monitor Module: 196.9 mm x 149.4 mm x 74.4 mm

• Weight: 0.98 kg

Applications:

The 1900/65A controller is used for:

• Real-time monitoring of vibration and temperature in rotating machinery

• Alarm and control management for critical industrial equipment

• Integration with plant-wide monitoring systems via optional Modbus

FAQ:

Q: What types of sensors are compatible with this controller?
A: It supports 2- and 3-wire accelerometers, velocity sensors, proximity probes, thermocouples (E, J, K, T), and 2- or 3-wire RTDs.

Q: Can it communicate with other systems?
A: Yes, optional Modbus communication is available via Ethernet or RS232/485.

Q: How many alarm outputs does it provide?
A: The controller has six relay outputs for control and alarm functions.

Q: Is the signal from transducer inputs buffered?
A: Yes, each transducer input has a dedicated buffered output to maintain reliable signal transmission.