System Components


The basic components of the Safety System are designed for the direct installation into the switch cabinet by means of a Din rail contract TS35. Additional monitoring tasks are realized by a number of additional devices. In the following please find more information about the different components and their functions within the Safety System.





Smoke Detector SECURUS 90-RSS-03


The optical Smoke Detector is the central component in the Safety System. It permanently measures the values for the temperature and the smoke concentration in the switch cabinet. Via serial interface it can be connected with the RS-bus.




Power Supply Unit SECURUS 90-NAS-03


The stabilized and short circuit proof Power Supply Unit NAS is identical in construction with the Smoke Detector RSS. It can supply up to 15 Smoke Detectors RSS and one further unit (AWG or RKS).  




Smoke Detector Coupling Unit SECURUS 90-RKS-05


The Coupling Unit RKS can control up to 20 Smoke Detectors RKS which are connected on the RS-bus. Moreover, it may also be used to create cross-linked structures and to connect the Safety System with external systems.




Evaluation Unit SECURUS 90-AWG-05


The Evaluation Unit is used as a central or local operating and display unit. In addition to the features of the Coupling Unit RKS it avails of a user surface with control keys and LCD display which signalizes the operating states of the connected Smoke Detectors RSS. It is used where cross-linked structures require addition local operating and query options for selected positions. 




Power Supply AKKUTEC 2403 VDS C / Set of Accumulators


External power supply which provides an interruption-free supply within a Local Safety System structure.  It is obligatory to be used when the system is connected with a fire alarm system. Together with the Set of Accumulators with 12, 17 or 24 Ah it ensures a stable power supply if SECURUS 90 is used as fire detection system.



VdS Approval-No. G209166

Room Monitoring and Special Monitoring Tasks



Optical Smoke Detector SECURUS 90-ORS 142 / 144K


For the monitoring of rooms or strongly ventilated switch cabinets, like e.g. compensation systems. Functionally identical with the Smoke Detector RSS, it operates according to the scattered light principle. It detects smoldering fires as well as open fires with smoke development at a very early stage. An additional temperature sensor releases an alarm as soon as the ambient temperature exceeds 70° C.




Thermo Differential Switch SECURUS 90-TDS 247


The Thermo Differential Switch TDS 247 detects open fires even in rooms where operational disturbances like dust, smoke or steam are likely to be expected. The criterion for signaling an alarm is the increase of temperature.





Ventilation Smoke Detector SECURUS 90-LRS 02


This device monitors ventilation ducts and room ventilation systems, which can be found in server rooms, etc. If smoke is detected very early, it is possible to avoid serious damages in the server technology.


Temperature Monitoring



Temperature Sensor Coupling Unit SECURUS 90-TKS


RISC ARM9-based embedded industrial computer with LAN, CAN and RS232 interfaces. Connects and manages up to 20 Temperature Sensors PT100.



Temperature Senror Gateway SECURUS 90-TSG

Analogue-/Digital Converter which connects up to seven Temperature Sensors PT100 with two or three conductors.




Temperatursensoren SECURUS 90-PT100


Nutenwiderstand, Kabelschuh und Edelstahl für den Einsatz an beliebigen Stellen im Schaltschrank zur punktuellen Temperaturüberwachung.

Automatische Löschfunktion



Aerosol Löscher SECURUS 90-AEL


Die Aerosol Löscher AEL löschen Entstehungsbrände, sobald die Geräte des Sicherheitssystems einen Alarm melden. Es gibt acht verschiedene Größen für Schutzvolumen von 0,3m3 bis 51,10m3, je nach Brandklasse.




Extinguishing Activation SECURUS 90-ALS


The Extinguishing Activation ALS is available for DIN-rail mounting and can accept 2 Aerosol Extinguishers AEL.


System Software



Service Software



Program free-of-charge for the initial operation without service functions.



Service and startup software for the initial operation and for modification purposes. It offers many service functions, like save/delete history, change date/time, change thresholds and location indicators, archiving/configuration of the data.







Display and service software for an easy and comfortable management of the Safety System from one or more PC workingstations simultaneously.


Designed as a full client/server application, the Display and Service Software SECURUS 90-MMO-09 administrates all data being forwarded by the Safety System by means of a central server service, which is accessed via network connection. All incoming messages of the Safety System are clearly displayed on a graphic surface. Since up to eight clients are allowed to use the server service at the same time, this solution also meets the high demands of a decentral access.


In the simplest configuration the Safety System is connected with the server service via our CAN/Ethernet-Gateway. On the CAN side this gateway is connected via the EAS-bus and on the LAN side via a freely selectable position with the existing company network.


After the IP-addresses were successfully configurated, the server service has access to the Safety System via TCP/IP protocol


Modbus- / SNMP-Gateway SECURUS 90-MSG


Provides the data of the EAS-bus within the Safety System by SNMP or Modbus protocol.

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