Fire Detection System Planning Guide

Emergency power supply
55
Siemens Building Technologies 007836_a_en_--.doc
Fire & Security Products 03.2004
23.3 Quiescent current table
– Quiescent current when on battery operation (24V)
– As basis for individual calculation of emergency power supply
– The current for the 5V supply is included in these values
Module Quiescent current at 24VDC (typical) Additional current with alarm condition
B2F020 0 0
B3Q700 100mA LCD backlight ’inactive’ (active = + 200mA) + 230mA
B3Q580 20mA + 160mA
B3Q590/595 18mA + 167mA
B3R051 40mA all LEDs inactive + 2mA per activated LED
E3C011 20mA 0
E3G050 10mA all relays inactive + 11mA per activated relay
E3G060 25mA all control lines terminated + 23mA per activated control line, without external load
E3G070 25mA control line ’Horn’ terminated + 34mA without external load (horns etc.)
E3H020 100mA 0
E3I020 25mA 0
E3L020 22mA + ..mA depends from the activated device
E3L030 18mA + 40mA without external load (FBF, HM, FSK)
E3M080 85mA 37mA + 6mA per terminated line + 10mA per line in alarm
E3M111 210mA (=50mA + 0,31mA per D–Bus device) 1)
(without external 24V load)
0
K3G060 6mA + 3mA per relay
K3R072 40mA + 2mA per activated LED
0 per activated relay
Z3B171 0 + 27mA per activated relay
E3I040 15mA without external 24V load 0
K3I050 15mA + 0mA or 4mA per activated LED
K3I110 24mA max. 184mA all relay activated incl. service LED + 10mA per activated relay
+ 0,5mA per input with closed contact
1 Only valid for device with APMK = 1 (multiply value for devices > 1)