Versatile power supply of devices for fire indication and fire protection automation from psus installed outside the control panel. Problems and new possibilities
Power supplies of equipment of fire alarm and protection automation are subject to both European and domestic regulations. The paper presents these requirements and a way to fulfill them for a power supply of most versatility. Further, it is noted that the compulsory requirement are strikingly restrained in case of indication of state of power supplies, in particular their failure. A concept of indication above the required and practically accepted standards is presented. Savings on maintenance costs of distributed power supply should be the benefit of implementation of this concept.