User manual
© 2002 Carlo Gavazzi Industri A/S. All rights reserved 53
G 3800 X015 Configuration Software October 2002G 3800 X015 Configuration Software October 2002
The above illustration shows the normal sequence and reset of an alarm:
t
1
: When power supply is connected, the system becomes alert after elapse of the set reset delay T
R
, indicat-
ed by reset of the reset output.
t
2
: An alarm contact is activated. This starts the switch on delay T
EV
, which can run for 3 - 11 s depending on
the number of channels.
t
3
: Upon elapse of the switch-on delay T
EV
, the Master Generator causes the output of the activated contact
as well as the alarm siren to flash. The alarm siren is then switched on for approx. 3 s and switched off for
approx. 57 s.
t
4
: Upon elapse of the alarm signal delay T
M
, the alarm signal is briefly activated.
t
5
: Activation of the reset button starts the reset delay and the siren is switched off.
Time characteristics
Passive detector (IN)
Passive detector (OUT)
Reset (IN)
Alarm signal
T
EV
Siren
t
t
t
1
t
PMan_TWater_1a
t
4
t
3
t
t
t
t
5
t
2
Reset (OUT)
T
R
T
R
T
M
3s 57s
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