Product Details:
Bently Nevada 72867-01 is a rack-mounted relay output module developed for Bently Nevada 3300 series turbine supervisory instrumentation systems. This relay card receives alarm signals from different monitoring cards inside the 3300 rack, and converts alert and danger status into isolated relay contact outputs for equipment safety interlock control. When vibration, speed or displacement parameters exceed preset thresholds, the module triggers relay action to send interlock signals to DCS and PLC systems, which can activate alarms or initiate protective shutdown for rotating machinery. The 72867-01 adopts isolated relay circuit design to separate field high-power interlock circuits from sensitive TSI measurement circuits, preventing electrical interference and protecting the whole monitoring rack. Each relay channel supports independent configuration for alarm logic. Built-in diagnostic functions detect module internal faults and relay status, helping maintenance technicians quickly identify hardware issues. It maintains stable contact performance under continuous mechanical vibration and fluctuating temperature in power plant and petrochemical environments. Installed in standard 3300 rack slots, this relay module connects with backplane and rear terminal boards for signal input and field wiring. Widely used in power generation, petrochemical and metallurgy industries, this safety relay hardware is a critical protection component for steam turbines, centrifugal compressors and generators. It helps plant staff implement machinery safety interlock logic, respond rapidly to abnormal operating conditions, avoid catastrophic mechanical damage and unplanned downtime, and support the plant's predictive maintenance strategy for rotating assets.
Core Attributes:
Brand: Bently Nevada
Model: 72867-01
Product Type: Relay Output Module / Alarm Relay Card
Compatible System: Bently Nevada 3300 series TSI monitoring rack
Function: Receive rack alarm signals, isolated relay contact output, safety interlock control, module fault diagnosis
Mounting: Rack slot installation
Operating Temperature: 0°C ~ +65°C
Feature: Galvanic signal isolation, configurable relay alarm logic, anti-electromagnetic interference, reliable safety interlock output