Bently Nevada 2155/40 TDISecure Communication Processor

Description

The Bently Nevada 2155/40 is a high-performance communication processor designed for advanced machinery condition monitoring. It supports dynamic analog, process, and discrete inputs, enabling real-time diagnostics and secure data acquisition for rotating equipment.

Specifications

• Model: 2155/40

• Input Channels:

  • 24 dynamic analog inputs

  • 24 process inputs (voltage/current configurable)

  • 24 discrete inputs

  • 4 Keyphasor® inputs

• Input Signal Range: –25 V to +25 V (analog), 4–20 mA / 0–10 V / 1–5 V / 2–10 V (process)

• Accuracy: ±1% full scale (analog), ±0.32% FS (voltage), ±0.64% FS (current)

• Scan Rate: 400 ms for all 24 process channels

• Power Supply:

  • AC version: 100–240 VAC, 50 W

  • DC version: 20–36 VDC, 35 W

• Operating Temperature: –30°C to +65°C

• Storage Temperature: –40°C to +85°C

• Humidity: Up to 95%, non-condensing

• Dimensions: 384 mm × 216 mm × 136 mm

• Weight: AC version 4.2 kg, DC version 3.9 kg

• Mounting: Panel or rack-mountable

• Compliance: EMC Directive 2014/30/EU; Pollution Degree 2

Features

• Parallel Sampling: Ensures high-fidelity acquisition of vibration and process signals

• Multi-Input Support: Handles analog, process, discrete, and Keyphasor® inputs

• Secure Communication: Built-in cybersecurity features for protected data transmission

• System Integration: Seamlessly interfaces with Bently Nevada System 1 and legacy platforms

• Sensor Power Supply: Directly supports Proximitor® sensors

• Event Handling: Supports multiple events per revolution for high-speed machinery

• Long Battery Life: Powered life up to 115 years at 25°C

• Legacy Compatibility: Drop-in replacement for older TDXnet processors