Page 224 - Advanced Course

KNX ADVANCED COURSE

Figure 32: Sabotage alarm - EOL resistor of 1 kΩ

3.7.7 Internal Local Alarm Signal

The supply cables to the signalling devices are not monitored for the intruder alarm control
units. A short circuit or disruption of these cables is not detected.

Block diagram

Figure 33: Local internal alarm signal

4 Regulations / Sources
The following norms and guidelines are relevant for planning and setting up intruder alarm
systems:

4.1 VDE

DIN VDE 0100 Installation of power installations with nominal voltages up to 1000 V
DIN VDE 0800 Telecommunications
Part 1: Installation and operation of systems
Part 2: Earthing and equipotential bonding
DIN VDE 0833 Fire, intruder and panic alarm systems
Part 1: General definitions
Part 3: Definitions for intruder and panic alarm systems

4.2 VdS Guidelines

VdS 2227 Guidelines for Intruder Alarm Systems, General Requirements and Test
Methods
VdS 2311 Guidelines for Intruder Alarm Systems, Planning and Installation
VdS 2477 Guidelines for Intruder Alarm Systems, Integrated Surface Surveillance for
Containers and Rooms with Additional Security Features

Home and Building Management Systems KNX Association
Security Technology Security Technology_E1211a.docx Page 31/32