The Bently Nevada 84157-01 Signal Relay Board is a specialized component engineered for integration within Bently Nevada machinery monitoring systems. This board functions as a critical interface, facilitating the transmission of Alert and Danger status signals from monitoring modules to external protection and control infrastructure, such as PLC systems, DCS, or emergency shutdown circuits.
Features
Provides reliable dry contact relay outputs for machinery protection logic.
Designed to interface seamlessly with standard Bently Nevada 3300 and 3500 rack-based monitoring architectures.
Facilitates fail-safe alarm signaling to ensure timely response to abnormal vibration, thrust, or temperature conditions.
Supports configurations for critical machinery protection where redundant alarm signaling is required.
Applications
Industrial rotating machinery protection systems.
Alarm annunciation and monitoring panels.
Integration with DCS and PLC for automated machine shutdown sequences.
Technical Specifications
Manufacturer
Bently Nevada
Part Number
84157-01
Product Type
Signal Relay Board
Relay Output Type
Electromechanical, Dry Contact
Compatibility
3300 / 3500 Rack Systems
Operating Temperature
0 to 60 degC
Installation Guidelines
Ensure the rack is powered down before the insertion or removal of the relay board to prevent electrical damage.
Handle the module using proper ESD (Electrostatic Discharge) mitigation practices to protect sensitive internal components.
Verify that the relay contact ratings are compatible with the connected field wiring and external load requirements.
Ensure all terminal connections are secure and that shielded cabling is used for signal transmission to minimize EMI interference.
FAQ
What is the primary function of the 84157-01 board?
This board acts as a relay interface that translates internal alarm states (Alert/Danger) from your monitoring modules into physical contact closures for external system integration.
Is this board compatible with both 3300 and 3500 racks?
Yes, the 84157-01 is designed for compatibility within the Bently Nevada 3300 and 3500 series monitoring system environments.
