Description
5-2
5.3 Hardware settings
The safety concept of the compact flame controller is
based on two-channel signal processing.
The evaluation channel processes the flame signal under
processor control so that the settings can be changed by
the BFI software.
The safety channel is configured with SMD technology.
Settings can only be changed on the printed circuit board.
5.3.1 The frequency filter
The CFC 2000 has a four-step frequency filter in the sig-
nal input. The evaluation of the flame signal by the soft-
ware takes place only downstream of the frequency filter.
Part of the extraneous light can therefore be filtered out
before the evaluation by the software. The limit frequen-
cies of the high-pass filter can be set as follows:
Filter frequency (Hz)
Switch 1 Switch 2
30 off off
60 on off
90 off on
120 on on
The setting at the dip switches should only be changed
when an adjustment of the compact flame controller is no
longer possible by software (see Handbook HB CFC
Com1 EN).
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