Technical data for OOHC740
8
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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
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