The Emerson 396351-03-4, also known as a Power Supply Sequencer Module (PSSM), is a rack-mounted digital I/O related component designed for redundant power management within the ControlWave PAC/RTU systems.
Core Specifications
Parameter
Specification
Model
396351-03-4
Brand
Emerson (Bristol Babcock / ControlWave series)
Module Type
Power Supply Sequencer Module (PSSM)
System Family
ControlWave PAC/RTU systems
Input Voltage
24 VDC
Function
Redundant power management and sequencing
Application
Industrial automation and RTU setups
Integration
Ensures stable continuous power delivery during transitions
Operational Features
Redundant Power Management: Provides controlled sequencing between redundant power supplies to prevent system interruptions.
Voltage Regulation: Maintains stable 24 VDC distribution across ControlWave backplane slots.
System Protection: Prevents improper startup/shutdown conditions that could damage sensitive modules.
Digital I/O Integration: Designed to coordinate with ControlWave PAC/RTU digital I/O subsystems.
Availability & Support
Lifecycle Status: Discontinued by Emerson, but available through surplus and industrial automation repair vendors.
Condition Options: Typically sourced as refurbished, used, or new-old-stock (NOS).
Documentation: Original manuals may be limited; third-party vendors often provide technical notes.
