Siemens Cerberus CS1140 Manual page 32

Fire detection system
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E3X100 Master module (superseded by E3X101)
32
Building Technologies
Fire Safety & Security Products
11
Plug-in terminals "K2": Remote transmission equipment
12
Lithium battery 3 V / 70 mAh: RAM buffering for clock, user data etc.
data storage time: minimum 2 weeks, typical >100 days
maintenance-free
13
Double flat cable header "ST1" (26-pin): I-Bus
14
Key "S10": System start only with battery (without mains voltage)
15
Plug-in terminals "K1": Supply for the "I-Bus" modules
16
LED indicator block "Battery charger"
yellow
green
H501
yellow
H502
yellow
Indicators vary in meaning according to application:
a) Battery operation
LED "Power supply fault
and symmetry moni-
toring
LED "Power on"
LED "Battery fault
b) Battery operation
LED "Power supply fault
without symmetry
monitoring
LED "Power on"
LED "Battery fault
c) Operation with
LED "Power supply fault
external voltage (in-
stead of battery)
LED "Power on"
LED "Battery fault
d) Operation without
LED "Power supply fault
battery or external
voltage
LED "Power on"
LED "Battery fault
"Power supply fault"
"Mains operation"
"Battery fault"
unused
Input voltage > 31.0 V –> power unit malfunction
Battery voltage > 29.5 V or < 25 V –> charger malfunction
Charger malfunction
Charger shut down (via software function)
Temperature sensor open line / short circuit
Temperature sensor measures > 55 °C
EEPROM check sum error
Input voltage > 28.5 V
Battery voltage < 23 V
Asymmetry > 1.0 V or fuse F503 blown
Possibly cell short circuit
Open line to battery or fuse F501 / F502 blown
Autom. test to indicate battery presence negative
Autom. battery load test negative
Input voltage > 31.0 V –> power unit malfunction
Battery voltage > 29.5V or < 25 V –> charger malfunction
Charger malfunction
Charger shut down (via software function)
Temperature sensor open line / short circuit
Temperature sensor measures > 55 °C
EEPROM check sum error
Input voltage > 28.5 V
Battery voltage < 23 V
Open line to battery or fuse F501 / F502 blown
Autom. test to indicate battery presence negative
Autom. battery load test negative
Input voltage > 31.0 V –> power unit malfunction
EEPROM check sum error
Input voltage > 28.5 V
Battery voltage or external voltage < 23 V or > 31.0 V
Autom. presence test (external voltage) negative or fuse F501 / F502
blown
Input voltage > 31.0 V –> power unit malfunction
EEPROM check sum error
Input voltage > 28.5 V
no function
001260_k_en_--.doc
02.2005

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