
Specifications
Technical data for OOHC740
8
102 | 108
Building Technologies
A6V10305793_m_en_--
Fire Safety
2016-02-15
8.2 Technical data for OOHC740
You will find information on approvals, CE marking, and the relevant EU directives
for this device (these devices) in the following document(s); see 'Applicable
documents' chapter:
●
Document A6V10284161
Detector line
Operating voltage (modulated)
DC 12…33 V
Operating current (quiescent)
Typ. 300…380 µA
Maximum current connection factor
2
Quiescent current connection factor
2
Address connection factor
1
Separator connector factor
1
Protocol
C-NET
Compatibility
See 'List of compatibility'
Line separator
Line voltage:
●
Nominal
DC 32 V (= V
nom
)
●
Minimum
DC 12 V (= V
min
)
●
Maximum
DC 33 V (= V
max
)
Voltage at which the line separator opens:
●
Minimum
DC 7.5 V (= V
SO min
)
●
Maximum
DC 10.5 V (= V
SO max
)
Permanent current when switches are closed
Max. 1.5 A (= I
C max
)
Switching current (e.g., in the event of a short-
circuit)
Max. 2.0 A (= I
S max
)
Leakage current when switches are open
Max. 1 mA (= I
L max
)
Serial impedance when switches are closed
Max. 0.4
Ω
(= Z
C max
)
Closing the line separators:
When operated on the C-NET, the line separator is closed via an actuation signal from the control
panel. Required line voltage: DC 12...33 V (normal range)
External alarm indicator
External alarm indicators which can be
connected
2 external alarm indicators and 1 sounder base
Voltage
DC 10…17 V
Current
9…15 mA
Flashing interval times:
●
Normal bright flashing
15 ms
●
Faint flashing
1 s
Device characteristics
Response sensitivity (typ.)
3…12 %/m (depending on the parameter set)
●
Permissible wind speed
Max. 5 m/s
●
Compensation speed
≤
1/45 voltage increase for detection/h
CO sensor service life
Max. 5 years