Arc-Cd-3Fo - Siemens SIPROTEC 5 V8.83 Manual

Plug-In Modules
4.3 Measuring-Transducer Modules
Permissible overload
Measured-value repetition

ARC-CD-3FO

4.3.3
With the module, you can detect an arc in the air-insulated system part of the switchgear by way of an optical
arc sensor.
Product code
Figure
Connector type
Number of sensor connections
Fiber type
Receiver
Maximum
Minimum
Spectrum
Attenuation
Optical budget
Analog sampling rate
ADC type
Transmitter
Type
Wavelength
Transmitter power
Numerical aperture
Signal rate connection test
Pulse duration connection test
NOTE
i
i
Laser class 1 is maintained in compliance with EN 60825-1 and EN 60825-2 when using 1 mm polymer
optical fibers.
All values in combination with sensors approved by Siemens.
16
17 Numerical aperture (NA = sin θ (launch angle))
180
DC 100 mA continuously
200 ms
P1Z1966
AVAGO AFBR-4526Z
3 point or line sensors (combinations are possible)
Polymer Optical Fiber (POF) 1 mm
-10 dBm ± 2 dBm
-40 dBm ± 2 dBm
400 nm to 1100 nm
In the case of polymer optical fibers, you can expect a path attenuation
of 0.2 dB/m. Additional attenuation comes from the plug and sensor
head.
Minimal 25 dB
16
16 kHz
10-bit successive approximation
LED
λ = 650 nm
Minimum 0 dBm
Maximum 2 dBm
17
0.5
1 pulse per second
11 μs
SIPROTEC 5, Hardware Description, Manual
C53000-G5040-C002-M, Edition 12.2021