12
3
Functional Description
3.4
Basic circuit diagram
Fig. 3-1 Basic circuit diagram
A
Intensity remote indicator
C
Self-monitoring
B
Visual intensity indicator
D
Monitoring cycle
1
Stabilisation
8
Digital band pass
2
Flame sensor
9
Sensitivity selector switch
3
Detector
10
Safe de-coupling
4
Switch-over contact
11
Switching amplifier channel A
5
Cycle
12
Switching amplifier channel B
6
Channel A
13
Output relay
7
Channel B
14
Output contacts