54BTechnical data FDOOT221, FDOOT241-x / -Ax
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2015-11-04
SIGMALOOP detector line (FDOOT241-A4)
Operating voltage (modulated) DC 10…28 V
Operating current (quiescent) Typ. 200 µA
Maximum current connection factor 1
Address connection factor 1
Protocol SIGMALOOP
Compatibility See 'List of compatibility'
Line voltage:
● Nominal DC 24 V (= V
nom
)
● Minimum DC 10 V (= V
min
)
● Maximum DC 28 V (= V
max
)
Voltage at which the line separator opens:
● Maximum DC 10 V (= V
SO max
≤ V
min
)
Permanent current when switches are closed Max. 0.032 A (= I
C max
)
Switching current (e.g., in the event of a short-
circuit)
Max. 0.2 A (= I
S max
)
Leakage current when switches are open Max. 50 µA (= I
L max
)
Serial impedance when switches are closed Max. 0.8 Ω (= Z
C max
)
External alarm indicators
External alarm indicators which can be
connected
2
Voltage DC 8…17 V
Current 9…15 mA
Length of line Max. 10 m
Flashing interval times:
● Bright 15 ms
● Dark 1 s
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