Bently Nevada 3500/94 (161264-01) RS-485 Communication Unit

Product Description

The 3500/94 (Part Number: 161264-01) is a specialized Communication Gateway and VGA Display interface designed for the Bently Nevada 3500 Machinery Protection System. Its primary function is to bridge the high-speed data within the 3500 rack to external control and visualization systems. By implementing the Modbus RTU protocol over a robust RS-485 serial link, the 3500/94 (161264-01) allows Distributed Control Systems (DCS), PLCs, and SCADA platforms to poll critical vibration, position, and speed data in real-time.

Beyond its gateway capabilities, the 3500/94 (Model: 3500/94) is uniquely engineered to drive a local VGA display. This allows plant personnel to view rack data directly at the machinery site without needing a separate workstation. The module occupies a single slot in the 3500 rack and is powered via the backplane, ensuring a compact footprint. With configurable baud rates and data formats, the 3500/94 (161264-01) offers the flexibility required to integrate into diverse industrial communication architectures while maintaining the high reliability required for machinery protection.

Detailed Technical Specifications

The 3500/94 (161264-01) is defined by the following industrial parameters:

• Manufacturer: Bently Nevada (Baker Hughes)

• Model Number: 3500/94 (3500/94)

• Part Number: 161264-01 (161264-01)

• Module Type: Communication Gateway / VGA Display Module

• Protocol Support: Modbus RTU (Serial)

• Physical Interface: RS-485 (Gateway) / VGA (Display)

• Baud Rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps

• Data Format: Configurable Parity (Even, Odd, None) and Stop Bits

• Update Rate: Typically 100 ms to 500 ms (Depends on Modbus polling)

• Power Consumption: Typical 5.0 Watts

• Operating Temperature: 0°C to +65°C

• Dimensions: 24.1 mm x 241.3 mm x 103.1 mm (Standard 3500 Slot)

• Weight: 0.38 kg

• Country of Origin: USA