Siemens AGM60.4A9 - QRB4 Yellow Flame Detection

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Smart Infrastructure CC1N7544en
21.05.2021
Technical Data (cont´d)
Open-circuit voltage at terminal QRB4
(X10
-
05 pin 3)
Approx. 5 V DC
Permissible length of QRB4 detector
cable (laid separately)
3 m (wire to wire 100 pF/m)
Threshold values when flame is supervised by QRB4
Start prevention (extraneous light)
Flame intensity (parameter 954)
≥10%
Operation
Flame intensity (parameter 954) >16%

Note!
In the case of the QRB4, the maximum intensity display is limited to approximately
40% due to the system (parameter 954).

Note!
Connection of QRB4 cables!
Blue cable of QRB4 to terminal X10-05 pin 4.
Black cable of QRB4 to terminal X10-05 pin 3.
Otherwise, the
QRB4 will not work.
Flame supervision with
QRB4