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32 SATEL Installer Manual
Table 1. Example of control panel power supply load estimation / battery selection.
No.
Loads Max current Mean current consumption
1
Mainboard CA-6 100 mA 70 mA
2 + KPD output (keypad max 90 mA, provided
that 3 keypads are installed in the system)
270 mA 45 mA
3 OUT3 output (6 detectors) * 120 mA 80 mA
4 OUT1 and OUT2 outputs 4.4 A ** 0.5 A
5 OUT 4 and OUT5 outputs 2 x 50 mA 50 mA
6 Battery charging current 350 mA -
Total max current consumption by the system with
no alarm signaling
I = 100 mA+270 mA+120 mA+100 mA+350 mA=940 mA
Battery selection based on max. and mean current
consumption by the system, assumed duration of
power failure 12h, assumed 1 alarm with 15 min
(0.25h) duration of signaling
A
Max
=1.25x(0.1x12+0.27x12+0.12x12+4.4x0.25+
+0.1x0.25) 8.8 Ah
A
Av
= 1.25x(0.07x12+0.12x12+0.08x12+0.5x0.25+
+0.05x0.25) 4.22 Ah
Recommended standby power supply: 12 V/7.5 Ah battery
* Assumed current consumption by a single detector 20 mA.
** If the capacity of the power supply is exceeded, the current is supplied from the battery
Notes:
The control panel power supply unit has been designed for work with lead batteries
or other batteries with a similar charging curve.
It is impermissible to connect to the alarm panel a fully discharged battery (with
voltage on unloaded terminals less than 11 V). To avoid damage to the equipment,
a fully discharged/never used battery should be precharged with the use of a proper
charger.
ATTENTION!
An efficient security system does not prevent burglary, assault or fire from happening,
however it diminishes the risk that such a situation will cause no alarm or notification.
Therefore, the SATEL Company recommends that operation of the whole security
system be regularly tested.
34


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Others manual(s) of Satel CA-6

Satel CA-6 Additional guide - English - 40 pages

Satel CA-6 Quick start guide - English - 8 pages

Satel CA-6 Additional guide - German - 19 pages

Satel CA-6 User Manual - German - 19 pages

Satel CA-6 Installation Guide - German - 80 pages

Satel CA-6 User Manual - German - 18 pages


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