Firefighting Automation System

Firefighting Automation System

Another example of a distributed system based on the architecture similar to that of an oil pumping station’s control system, is the REGUL MPAS FF. This system is used in oil and gas production and in transport and storage facilities to configure fire alarm and fire-extinguishing systems of different types and complexities.
The REGUL is a flexible system with a variable set of components based on REGUL R500 and REGUL R600 programmable logic controllers with the support of redundancy and the hot-swapping of modules.
The system is designed to:

  • Detect fire and unauthorized entry in different areas, including indoor and outdoor installations at risk of explosion
  • Execute automatic remote control of water-cooling reservoir units and different types of fire-extinguishing systems including spray, water, foam, gas, powder, etc., both separately and in various combinations
  • Send alarms and alerts to higher-hierarchy equipment such as operator workstations and to adjoining systems such as SCADA, automatic process control systems, central surveillance rooms, etc.
  • Control, monitor, and protect technological equipment

The system has a three-level structure:

The top level is represented by the HMI equipment (operator workstation) and a SCADA system supporting Modbus TCP, OPC, and IEC-61870-5-104 protocols.

The middle level is based on REGUL R500 and REGUL R600 programmable logic controllers. In general, the middle level includes:

  • A central control cabinet, based on a CPU with a hot backup
  • Cabinets with RTU I/O module crates
  • A data transfer network RTU PLC control center
  • An alarm panel cabinet

The lower level includes sensors, transducers, alarm announcers, light and sound alerts, and actuators.

Main functions

  • Reception of electric signals from security detectors, fire detectors, unauthorized entry/ fire detectors (including targeted ones); control of light and sound alarms (targeting achieved by connecting detectors via an RS-485 interface with a Modbus RTU protocol or by connecting each detector to a separate system input)
  • Reception of activation signals from fire alarm logging systems and similar systems (if available) that influence the device’s function algorithm
  • Automatic control of communication line status (short-circuit and open-circuit checks for wire lines and communication failure checks for fiber-optic and digital lines)
    • By using equipment responsible for sending a start signal, including receive-control alarm devices
    • By using actuators of the fire-extinguishing system, such as announcers, information displays, electric valves, pyrotechnic cartridges, fire-extinguishing pumps, dosage pumps, fans, electric drives, etc.)
  • Coupling with other equipment, including that of the top level, using Ethernet or RS-485 (process control system, telemechanics, etc.)
  • Generation of signals to control alarm systems, evacuation systems, smoke and gas removal systems, etc. • Preferential logging and transfer to external circuits of fire alarm signals, in relation to other signals
  • Automatic switching of power supply from the main input to the backup and back with a corresponding indication
  • Programming of fire notification tactics and start signals for the fire-extinguishing system and/or tank water cooling
  • Reception of electrical signals from sensors monitoring the control equipment function (position, pressure, level, temperature, etc.)
  • Switching from automatic control to remote (manual) and back
  • Indication of a fire-extinguishing or reservoir water-cooling system activation, displaying directions
  • Creation of given process parameter trends
  • Backup of preset process parameters, events, and actions of the operating personnel
  • Prevention of unauthorized access
  • Software and hardware self-checks
  • Light and sound alarm control
  • Display of relevant information, including equipment status

Due to its narrow and specific functionality, the current system has a separate compliance certificate for the Russian market, in accordance with the Fire Alarm Regulations (Federal Law # 123-F3 dated July 22, 2008).

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