Bently Nevada 149744 Trendmaster Dynamic Scanning Module

Overview

The Bently Nevada 149744 is a high-performance Trendmaster Dynamic Scanning Module (DSM) designed for rapid, rack-based data acquisition and advanced machinery condition monitoring. It works seamlessly with System 1 software and supports both direct sensor connections and TIM (Transducer Interface Module) inputs. With real-time diagnostics, waveform capture, and spectrum analysis capabilities, it provides powerful tools for predictive maintenance in demanding industrial environments.

Technical Specifications

• Product Type: Dynamic Scanning Module (DSM)

• System Integration: Fully compatible with System 1 and Decision Support

• Input Voltage: 20 to 30 Vdc via communications card power connector

• Power Consumption: 18 watts maximum

• Fuse Rating: 1 amp slow-blow

• Mounting Options:

• DIN rail: 35mm, requires 26.7 cm (10.5 in) length

• Bulkhead: 4 × #8 screws

• Weatherproof housing: Supports DIN rail mounting

• Operating Temperature: -20 °C to +65 °C (-4 °F to +149 °F)

• Storage Temperature: -40 °C to +85 °C (-40 °F to +185 °F)

• Humidity:

• Operating/Storage: 95% non-condensing

• 100% condensing with power in weatherproof housing

• Vibration Resistance: 2 g (10–55 Hz), 10 g (55–500 Hz)

• Shock Resistance: 6-inch drop to plywood (in terminal base)

• Input Card Slots: 5 total (1 for communication, 4 general-purpose)

• Sensor Inputs: Acceleration, velocity, proximity, speed, Keyphasor®, 4–20 mA

• TIM Support: 2 TIM lines per card, up to 255 TIMs per line

• Sampling Resolution: Up to 16-bit

• Auto Gain: Up to 16×

• Bandwidth: Up to 24 kHz

• Processing Modes: Synchronous and asynchronous

• Modbus Support: Modbus over TCP/IP, RS232/485 via Serial-to-Ethernet bridge

• Communication Options: Copper or fiber Ethernet

• Self-Diagnostics: Automatic checks for DSM, input cards, and transducers

• Max DSMs per Host: Up to 150 DSMs per data acquisition computer

• Dimensions: 21 × 13 × 11 cm (8.3 × 5.1 × 4.3 in)

• Weight: 0.2 kg