Product Overview

The Bently Nevada 3500/15 114M5330-01 is a high-reliability Low Voltage DC Power Input Module (PIM) designed specifically for the 3500 Series Machinery Protection System. This module acts as the primary interface between the facility's DC power source and the 3500 rack, converting input voltage into the regulated power required by monitoring, communication, and relay modules. As a half-height component, it is engineered for high-density rack configurations where space and power efficiency are paramount.

The 114M5330-01 is a critical element of Turbine Supervisory Instrumentation (TSI), ensuring that vibration monitoring channels remain active and accurate. Its design focuses on electrical isolation and surge protection, shielding sensitive backplane electronics from industrial line transients. This specific low-voltage variant is ideal for plants operating on battery-backed DC bus systems, providing a stable foundation for continuous machinery protection.

Key Technical Characteristics

• Redundant Failover Capability: The 3500 rack supports the installation of two power supplies for maximum availability. In a dual-supply setup, the 114M5330-01 works in tandem with a second module to provide automatic, hitless failover, ensuring the rack never loses power even if one source fails.

• Low Voltage DC Optimization: Specifically calibrated for low-voltage DC inputs, making it compatible with 24 Vdc nominal power systems typically found in oil, gas, and power generation control rooms.

• Integrated Line Filtering: Features advanced internal filtering to mitigate Electromagnetic Interference (EMI) and Radio Frequency Interference (RFI), ensuring that noise from the power grid does not affect the integrity of vibration signals.

• Hot-Swappable Functionality: Designed for maintenance without downtime; the module can be removed or replaced while the rack is live (when using a redundant pair), allowing for continuous equipment protection.

• Comprehensive Diagnostics: Built-in LED indicators provide immediate visual feedback on the status of the input voltage and the health of the power conversion circuitry.

• Rugged Industrial Design: Built to withstand the harsh environments of heavy industry, including high-vibration areas and wide temperature fluctuations.

Technical Specifications

• Manufacturer: Bently Nevada (Baker Hughes)

• Model/Part Number: 3500/15 114M5330-01

• Input Voltage Range: 20 to 30 Vdc (Low Voltage DC)

• Output Power: Capable of powering a fully loaded 3500 rack

• Module Type: Power Input Module (PIM)

• Form Factor: Half-height module

• Weight: 1.24 kg

• Isolation: 500 Vrms (Input to Case)

• Operating Temperature: -30°C to +65°C

• Origin: USA

Operational Application

• Continuous Machinery Protection: Provides the essential energy for 3500/42M and 3500/40M monitors to track rotor dynamics.

• TSI Infrastructure: Serves as the backbone for turbine monitoring systems in facilities where AC power is not the primary utility for instrumentation.

• High-Availability Environments: Critical for refineries and petrochemical plants where power redundancy is mandated by safety protocols to prevent false trips or unmonitored failures.