BFI Automation 3001D - 3.7 Block diagram

Technical data
3-5
K1
E1
VA
M
E2
L
RF &
&
K1
S3 S2
T23
ST
RM &
S5
S4
T45
G
K1
c18
c16
a8
c8
a6
c6
a16
K101
%
K1
PWM
7S
3.7 Block diagram
E1 sensitivity 1 S2 DIP switch S2 (RF2).
E2 sensitivity 2 S3 DIP switch S3 (RF1).
PWM pulse width modulation S4 DIP switch S4 (RM2).
G self-test pulse S5 DIP switch S5 (RM1).
K1 Relay switch-over T23 switch-OFF time RF (1 - 6 s).
M measurement channel T45 switch-OFF time RM (1 - 6 s).
VA pre-alarm early warning K101 flame relay (2 changeover contacts).
RF evaluation channel a8/c8 input flame signal.
L switch-ON threshold a6/c6 output self-test pulse.
RM monitor channel a16 external input changeover.
ST self-test c18 output 0/4 ... 20 mA.
% bar-graph display c16 output pre-alarm warning
7S LED-seven segment