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Section 1: M9000 SYSTEM ARCHITECTURE
The Model 9000 Disturbance Monitoring Equipment incorporates a Station-Master Computer, Station-
Master Power Supply, M9000 modules, interfaces, and various optional accessories.
The M9000 modules and Station-Master Power Supply module run in an embedded Linux operating
system. The Computer module runs with a Linux (Ubuntu Server) or in a Windows
TM
environment.
The Model 9000 and Station-Master Power Supply modules are powered directly from the substation DC
battery system or from a typical secondary distribution AC voltage. The Station-Master Computer module is
powered from the Station-Master Power Supply module.
A GPS clock receiver provides a time synchronization signal to each of the Model 9000 modules. This
signal also synchronizes the sampled data coming from the M9000 modules.
Options include a display unit for local viewing of data, a keyboard with touchpad for local manual input,
and other M9000 modules and units as required.
The Model 9000 DME system is designed to provide a powerful yet versatile solution for integrated
transient fault recording (DFR), sequence of events recording (SER), dynamic disturbance recording
(DDR), and synchronized phasor measurements (PMU). Some of the key features which set this device
apart from others are:
• Continuous recording of any calculated value
• All values calculated using full transient sampled data
• Modular architecture to support centralized or distributed installations
• Embedded operating system for reliable and independent operation
• Fanless design for reduced maintenance and improved reliability
• Centrally located master server provides simultaneous communication among all M9000 modules
with the Station-Master computer, and among all Station-Master computers
• Dynamic health monitoring and transfer of recorded data
• Secure interface with web-based master server via user-based authentication, strong password
protection, and encrypted communications
• Automatic generation of system health, communication, and calibration reports
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