Digital Fault Recorder System

ARCHI 9000

ARCHI 9000 is a high-end digital fault recorder system designed for recording disturbances and events occurring in substations.
The device performs digital recording of analog signals and binary inputs with a sampling rate ranging from 0.5 to 20 kHz* for fast-changing recordings, and 0.1 to 120 seconds for slow-changing (vector) recordings.
It is a fully scalable system, supporting up to 128 analog channels, up to 32 channels for frequency recording and up to 720 binary inputs within a single substation.

With the free SAZ2000 software, users can analyze recorded data and build centralized fault recording systems covering large-scale power grids.

*) As of early 2025, new versions of ARCHI LGU have entered production; featuring new, 10 times faster processor, twice as much RAM 8MB and increased sampling rate.

ARCHI 9000 - Digital Fault Recorder System

Characteristics of the Digital Fault Recorder System ARCHI 9000

The Digital Fault Recorder System allows for recording fast-changing disturbances by digitizing analog signals, currents and voltages, and binary signals supplied from selected station circuits. Records all data occurring before, during and after the disturbance. An unlimited number of ARCHI 9000 systems can be installed on one energy facility. The system operates with synchronized clocks and with synchronized sampling of the 1PPS and GPS signals.
The SAZ2000 program allows for simultaneous analysis of many registration systems located in any geographical area.

The disturbance recording system includes the following basic parts:

  • digital recording modules for analog and binary inputs ARCHI-LGU – 8 analog inputs, 45 binary inputs, 6 signaling outputs
  • ARCHI-LGU modules are equipped with extensive functions of recording excitations, the so-called triggers in relation to single analog and/or binary signals
  • ARCHI-CPU central units, equipped with memory up to 2TB, one unit supports up to 16 ARCHI-LGU recording modules in real time;
  • local ARCHI-LVU data visualization and analysis station, one station for max. 4 ARCHI 9000 systems, optionally equipped with a local printer;
  • SAZ 2000 data analysis software.

Technical Documentation

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