E3M220 MS5 Adapter
112
Building Technologies 001260_k_en_--.doc
Fire Safety & Security Products 02.2005
27.4 Important components
1
2
V31
V33
F1
3
4
5
7
6
K1
1
4
S2
H5
H6
H2
H8
S1
H4
H1
H7
H3
H9
Legend:
1 Transzorb (20 V, inserted at factory) "V31" and "V33": Line termination ele-
ment
2 LED "H7, H1, H4, H3": Display detection line 1
LED "H8, H2, H6, H5": Display detection line 2
LED indicator block for detection line 1 LED indicator block for detection line 2
green Normal operation green Normal operation
yellow Short circuit yellow Short circuit
red Alarm red Alarm
yellow Open line yellow Open line
E
K
A
O
H7
H1
H4
H3
E
K
A
O
H8
H2
H6
H5
3 Switch "S1": Evaluation open line/ short circuit on detection line 1
Switch "S2": Evaluation open line/short circuit on detection line 2
Switch Detection line 1 Switch Detection line 2
S1-1 below Open line –> Fault S2-1 below Open line –> Fault
S1-1 above Open line –> Alarm S2-1 above Open line –> Alarm
S1-2 below Short circuit –> Fault S2-2 below Short circuit –> Fault
S1-2 above Short circuit –> Alarm S2-2 above Short circuit –> Alarm
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