Bently Nevada 81545-01

Ordering Information

Part Number: 8154501

Description: Alarm Relay Output Module for Bently Nevada systems

Compatible Racks: 3500 Series or legacy 2300/3300 shelves (with appropriate backplane adapter)

Technical Parameters

Relay Channels: 8 independent Form C (SPDT) relay contacts in Bently Nevada 81545-01

Contact Ratings:

5 A @ 250 VAC (resistive)

5 A @ 30 V DC (resistive)

Coil Drive: Energized directly from rack-bus logic (no external coil supply) for Bently Nevada 81545-01

Operate/Release Time: ≤ 10 ms from logic command to contact change

Isolation: 1 kV dielectric withstand between coil/contact poles and contact-to-contact

Indicators: Front-panel “Relay ON” LED per channel

Interface: 50-pin ribbon header to monitor-module relay-drive outputs

Operating Environment: 0 °C to +70 °C; up to 95 % RH non-condensing

Product function

Alarm Signaling: Receives discrete commands and actuates relay contacts via Bently Nevada 81545-01.

High-Density Output: Consolidates eight alarm/trip outputs in one module.

Self-Diagnostics: Monitors coil-drive health and reports contact faults.

Flexible Wiring: Screw-terminal block for field connections.

Application Areas

Turbine & Compressor Protection: Driving overspeed-trip solenoids with Bently Nevada 81545-01.

Generator & Motor Monitoring: Activating bearing-fault alarms.

Process-Plant Annunciators: Feeding horn/lamp circuits in control rooms.

Safety Interlocks: Integrating machinery alarms into ESD systems.

OEM Equipment: Embedded rack-mount outputs in skid systems using Bently Nevada 81545-01.