Alarm Functions; Overview; General Features - CARLO GAVAZZI G3800 X015 - CONFIGURATION SOFTWARE User Manual

G 3800 X015 Configuration Software

2.4. Alarm functions

2.4.1. Overview

This chapter will assist you in using the four different Dupline alarm systems:
1. ISA-alarm (chapter 2.4.3)
This general alarm system develped acc. to ISA specifications is very flexible and has formed the basis of
the development of the other alarms systems. Application areas include temperature- and level control
as well as plants requiring ordinary alarm functions.
2. Smoke alarm (chapter 2.4.4.)
The primary purpose of this alarm system is the connection of the Dupline smoke detector.
Of course, other smoke detectors can also be used if they provide a Normally closed or Normally open
contact. In this case, the connection to the Dupline system can take place through a digital input.
3. Intruder alarm (chapter 2.4.5)
This system provides objects which allow monitoring of input signals for the intruder alarm. The inputs
can be either floating or non-floating contacts connected to the system through digital Dupline inputs.
4. Water alarm (chapter 2.4.6)
The Water alarm was developed as a separate system intended for the connection of water stop sensors.
The alarm systems differ in the following ways:
In the armouring (manual/door lock)
In the type of alarm resetting (Acknowledgement/Reset)
In the way of alarming and
In the time characteristics

2.4.2. General features

2.4.2.1. In-/output on one channel
The alarm systems benefit more than any objects fromt he capability of Dupline to differ between in- and out-
puts on the same channel (Split I/O). Thereby it is possible to use a Normally open contact to reset the system
and subsequently switch it in and out alternately.
The user should therefore not be surprised when:
a channel is activated without an input being activated or
a channel is not activated although an input is activated
2.4.2.2. Master functions
Alarm objects can generally not be affected by master functions.
© 2002 Carlo Gavazzi Industri A/S. All rights reserved
October 2002
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