Future built in

The heart of the dc3500 is a fast Linux-based computer unit with lots of memory space and open interfaces. In addition to the advantages that an easy-maintenance standard operating system obviously brings, this aspect will also make the DC 3500 especially interesting to different partners in future.

After all, an emerging trend in fire protection is to connect all building services and move away from monitoring sub-zones in isolation.

This solution is scalable for use in larger buildings, especially future-proof thanks to intelligent, user-friendly control functions and is still easy to install, even with all of its technical sophistication.

One feature that supports easy operation is an intuitive control panel with a large colour touchscreen, additional functions and ergonomic optimisation.


  • Different housing SL, ML, E
  • Colour touchscreen
  • CON-X interconnection
  • Up to 15 loops


  • Configuration tool
  • DPT programming software with integrated check for plausibility and conformity to standards
  • BMS interface
  • Update via DPT

The redundancy concept - perfect for use in complex situations

In the development process, we programmed new start-up procedures for the fire control panel software. The aim was to make the system as resistant as possible to interference and disruptions. 

If there is external interference, which is also tested in EN 54, one of the things the system must be able to do is come out of an undefined state to a defined state.

The newly implemented start-up process now takes place logically based on the data in the memory. 

This process optimises the DC 3500 for use under conditions involving strong interference.

All hardware modules of the DC 3500 are connected by two additional lines: the „alarm and fault

emergency paths“. If modules fail as a result of a fault, the DC 3500 in this state can provide and forward all summary displays and messages which are relevant for EN 54-2. 

There are two separate Linux systems (operating system + applications) in the embedded PC from which one Linux system is started. The embedded PC has a separate watchdog unit that must be triggered by the active Linux system. If an error occurs and the watchdog unit is not engaged, the embedded PC reboots.

Monitoring area

Each loop card has a maximum of 126 connected devices. It is assumed that a system is planned so that the monitoring area for each loop card is less than or equal to 3,000 m².

Thus systems with more than 512 detectors and a safe zone of up to 48,000 m² are easy to implement  as per DIN VDE 0833-2 without additional FCP hardware.

Complete Documentation

The DIN VDE 0833-1 standard stipulates that the installer of an FCP must provide a logbook to the  operator. This book provides information on things like inspections, maintenance, servicing and data storage. All system events must be documented in the logbook. A suitable system event memory is sufficient for logging events that do not require information on the cause and originator.

But our view of documentation goes beyond just being sufficient. The event memory in our DC 3500 system provides complete documentation of all system events. All events are automatically recorded with a timestamp,generating an electronic logbook.*

The option to filter entries by column or event also allows for easy management, not to mention the plain-text display and information provided on the action taken following an event.

This approach saves time in commissioning, maintenance and servicing, and in troubleshooting. All documented events – filtered and unfiltered – can be exported as an Excel file or saved as a PDF.

Control and Display Panel

Always know what's happening – even when the FCP is somewhere else. The remote display and control unit can be used to view and control DC 3500 fire control panels.

They replicate the entire front of the DC 3500 fire control panel with the display and LEDs, including the front labelling, and offer an overview of the fire control system's statuses in accordance with EN 54-2. The 7” touchscreen monitor ensures easy and intuitive operation and control of the DC 3500.

The control panel is supplied power from the DC 3500 via Power over Ethernet (PoE). The RCP 3500 features a low power consumption of maximum 7 watts.

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