Product Description

Overview

The 88984-02 is a dual-channel internal barrier option module designed for the Bently Nevada 3300 Series monitoring system. It is engineered to provide intrinsic safety for transducer signals from hazardous areas, protecting both equipment and personnel. The epoxy-encapsulated design ensures high reliability in harsh industrial environments while maintaining precise signal integrity for critical vibration and machinery monitoring applications.

Key Features

• Dual independent input channels with internal safety barriers

• Epoxy-encapsulated components for enhanced durability and environmental protection

• Hot-swappable backplane mounting compatible with 3300 Series monitor racks

• Supports Proximitor sensors, ICP-powered sensors, and Keyphasor inputs

• High-speed relay response under 10 ms for rapid alarm and trip functions

• Modbus RTU communication compatible for SCADA and control integration

Technical Specifications

Applications

• Intrinsic safety for transducer signals in explosive or hazardous zones

• Dual-channel vibration and gap monitoring using 3300 Series monitors

• Machinery protection with fast alarm and trip relay outputs

• Integration into SCADA and control systems via Modbus RTU

• Replacement or upgrade module for legacy 3300 monitoring systems

FAQ

Q: Can the 88984-02 support Keyphasor inputs?
A: Yes, the module supports Keyphasor inputs for advanced rotor analysis.

Q: Is it compatible with ICP-powered sensors?
A: Yes, it supports ICP-powered transducers in addition to standard Proximitor sensors.

Q: What is the relay response time?
A: Relay activation occurs in under 10 milliseconds for fast machinery protection.

Q: How should I install it in a 3300 series rack?
A: Mount the module to the backplane, ensure proper earthing, and connect signals according to 3300 Series guidelines.