Product Description

Overview

The Bently Nevada 3500/15 (127610-01 + 125840-01) power solution provides reliable energy delivery for the 3500 Series Machinery Protection System, supporting both AC and DC input sources. Its modular design accommodates single or redundant configurations, ensuring continuous operation in demanding industrial environments.

The 127610-01 Keyphasor® I/O Module integrates with the 3500/25 Enhanced Keyphasor System, serving as the rear-mounted interface for Proximity Probes and Magnetic Pickups. It delivers precise timing signals essential for rotational speed tracking, phase analysis, and vibration diagnostics.

Key Features

Power Supply Module (3500/15)

• Accepts a wide range of AC inputs:

• High Voltage: 175–264 Vac RMS (220 Vac nominal), 247–373 Vac pk

• Low Voltage: 85–132 Vac RMS (110 Vac nominal), 120–188 Vac pk

• Frequency support: 47–63 Hz

• Output: Regulated power to rack modules, typically 100 W; extended variants up to 500 W

• Redundant operation: Dual modules for backup, installed in the left-most rack slots

• Operating temperature: -30°C to +65°C, storage -40°C to +85°C

• Humidity tolerance: Up to 95% RH, non-condensing

Keyphasor I/O Module (127610-01)

• Half-height module installed at rear rack position

• Interfaces with two independent Keyphasor transducers

• Compatible with Bently Nevada 3300 XL Proximity Probes and Magnetic Pickups

• Provides highly accurate timing pulses for phase determination and speed tracking

• Electrical isolation protects the 3500 system backplane from transducer-side surges

• API 670 compliant for machinery protection standards

• Buffered outputs allow connection to diagnostic equipment without affecting the protection loop

Technical Specifications

Applications

• Industrial machinery protection systems requiring redundant power

• Precision phase and speed measurement for rotating equipment

• Vibration monitoring, orbit plotting, and diagnostics

• Integration with 3500/25 Enhanced Keyphasor monitoring systems

FAQ

Q: Can the power module be replaced while the system is live?
A: Yes, provided a second module is installed; the system maintains operation during hot-swap.

Q: How many Keyphasor signals can this I/O module handle?
A: The 127610-01 supports two independent Keyphasor inputs per module.

Q: Does this module require an external termination block?
A: No, it uses internal terminations; for an External Termination Block, use a different part number (e.g., 125800-01).