Overview
The Bently Nevada 3500/20 125744‑04 is a rack interface module (RIM) used in the 3500 Series machinery protection system. It manages communication between the rack’s monitoring modules and external systems for configuration, data transfer, and diagnostics.
General Information
Part Number: 125744‑04
Manufacturer: Bently Nevada
Brand / Country of Origin: Bently Nevada / USA
Type: Rack Interface Module
Mounting: Slot‑in rack module positioned in the first slot of the 3500 rack assembly
Technology: Provides external and internal communications (serial, RS‑232/RS‑422), rack control and diagnostics
Power Specifications
Power Consumption: Approximately 4.75 W
Supply Voltage: 24 V DC nominal
Protection: Reverse‑polarity protection and transient suppression
Communication & Interface
Interface: External serial communication (RS‑232 and RS‑422) and proprietary 3500 rack bus interface
Communications Rate: Up to 38.4 k baud for RS‑232/RS‑422 links
Diagnostics: LED indicators for rack status, communication activity and configuration status
Environmental
Operating Temperature: –30 °C to +65 °C
Storage Temperature: –40 °C to +85 °C
Humidity: Up to 95% RH, non‑condensing
Installation Environment: Industrial control cabinet within machinery protection systems
Dimensions & Weight
Dimensions: 241.3 × 24.4 × 241.8 mm
Weight: 0.91 kg
