Emerson PR9268/20 Absolute Case Vibration Transducer

Emerson PR9268/20 Absolute Case Vibration TransducerProduct Overview The Emerson EPRO PR9268 20 functions as a high integrity electrodynamic velocity sensor (EDS) for monitoring absolute case vibration. Unlike relative proximity probes, this sensor mounts directly to the machine housing or bearing pedestal to capture the seismic vibration of the structure itself. It utilizes a passive electrodynamic measurement principle, generating a self sufficient voltage signal proportional to the vibration

It maintains backwards compatibility with established MicroNet TMR and MicroNet Plus controller racks

high-performance Turbine Protection and Termination Power Supply module designed for the ABB Symphony Plus (S+ HR) and Harmony Rack I/O systems

This module is engineered to convert digital control commands from the DCS into stable 4 to 20 mA DC current signals

preventing nuisance trips and ensuring continuous protection for mission-critical boiler or reactor levels

Is hot-swapping supported for this module

Serving as a critical foundation within the Ovation I/O subsystem

enabling real-time monitoring of critical turbine and engine parameters

Digital I/O (System dependent) Conductor Material High-purity Tinned Copper Insulation Resistance Minimum 100 MΩ Voltage Rating 30 V DC Operating Temperature -20°C to +70°C Outer Diameter Optimized for high-density cable trays Engineering Advantages

which is a mandatory requirement for SIL 3 certification

This material provides excellent resistance to mechanical vibration and environmental stress

Never splice the integrated cable

The 1B30023H01 maintains full compatibility with legacy Westinghouse I/O bus architectures as well as modern Emerson Ovation DCS racks