Bently Nevada 136751-02 I/O Module with Internal Barriers

The Bently Nevada 136751-02 is a high-integrity I/O Module equipped with internal safety barriers. It ensures reliable signal processing in hazardous environments where intrinsic safety is critical. Manufactured by Bently Nevada, this model is ideal for vibration monitoring and condition-based maintenance systems across industrial sectors.

Compact Design & Mounting Specifications

This module is built for durability and system flexibility. Its compact frame enables easy integration into standard industrial panels, especially in space-constrained control rooms.

• Dimensions: 130 mm × 60 mm × 35 mm

• Weight: Approx. 250 g

• Mounting Method: DIN rail, tool-free

• Protection Level: IP20 industrial-grade enclosure

• External Housing: Flame-retardant thermoplastic

Electrical Specifications & Safety Features

The Bently Nevada 136751-02 supports 8 individual I/O channels, each protected by an internal energy-limiting barrier. These barriers comply with global standards for hazardous zone installations and reduce system-level certification complexity.

• Input Voltage: 24 VDC nominal

• I/O Channels: 8 isolated signal paths

• Max Load per Channel: 2 A

• Internal Barriers: Yes, ATEX & IECEx compliant

• Energy Storage: Capacitor-based discharge suppression

• Grounding: Integrated channel-wise earthing system

• Insulation Resistance: ≥ 100 MΩ at 500 VDC

Interface & System Integration

The module communicates with main system controllers via a dedicated internal I/O bus. It is optimized for compatibility with the 3300 XL, 1900/65A, and other modules from the Bently Nevada ecosystem. The Bently Nevada 136751-02 also pairs with condition monitoring systems such as System 1® for seamless data acquisition and analysis.

Application Scenarios

This module is specifically designed for use in classified zones such as oil refineries, chemical plants, and offshore drilling units. The internal barriers eliminate the need for separate isolators, simplifying cabinet layout and improving system maintainability.

It is fully compatible with other critical components such as IS200AEBMG1AFB, 330103-00-05, and 176449-01, making it a core element in advanced industrial reliability strategies.

Technical Specifications