Overview
The Bently Nevada 3500/22M 149986‑02 is a high‑performance Transient Data Interface (TDI) module designed for the 3500 Series machinery protection system. It enables acquisition of both steady‑state and transient waveform data and acts as a communication bridge between the rack and external systems.
General Information
Part Number: 149986‑02
Manufacturer: Bently Nevada
Brand / Country of Origin: Bently Nevada / USA
Type: Transient Data Interface Module
Mounting: Full‑height module installation in Slot 1 of the 3500 rack
Technology: Integrates rack interface and data acquisition functions for high‑integrity condition monitoring
Power Specifications
Supply Voltage: 24 V DC nominal
Power Consumption: Approx. 10.5 W typical
Protection: Reverse‑polarity protection, transient suppression, and self‑diagnostics
Communication & Interface
Interface: Backplane connection to 3500 rack plus external Ethernet or fiber‑optic link
Channels: Supports waveform and steady‑state data collection from multiple monitors
Diagnostics: Module health monitoring, communication status, fault indication
Environmental
Operating Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Installation Environment: Industrial machine‑protection rack in process‑control cabinet
Dimensions & Weight
Dimensions: 241.3 × 24.4 × 241.8 mm
Weight: 0.91 kg



