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Technical data (cont´d)
Flame supervision
Min. detector current required at AC 230 V
Max. permissible detector current with no
flame
Max. detector current that can occur
Instrument's +pole
Length of detector cable
In the same cable as the
control lines
Separate cable in cable duct
3-core cable
2-core cable for the detector line (bl, sw);
separate single-core cable for the live
conductor (br)
Shielded cable (e.g. RG62, shield insulated)
Shield
Detector current measurement
Measuring circuit for
detector current
measurement
7153v01/0814
10/24
Building Technologies Division
LAL1 with
95 µA
12 µA
160 µA
To terminal 23
Max. 30 m
Max. 1000 m
* To comply with requirement of EN 298 clause 8.5 «Surge immunity test», for cable lengths above
10 m appropriate filter elements would have to be used. Experience has shown that filters are
sometimes not necessary for normal operation even for cable lengths above 10 m.
LAL1...
22
23
1
bl
sw
br
+
7153v05/1206
QRB
QRC1
80 µA
12 µA
130 µA
To terminal 23
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Max. 1 m
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Max. 20 m
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22
7153v02/0814
LAL2 * / LAL3 * with
QRB
RAR9
8 µA
6,5 µA
0.8 µA
0.7 µA
35 µA
45 µA
To terminal 22
To terminal 22
Not
permitted
20 m
30 m
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---
200 m
RAR9: 100 m
To terminal 23
CC1N7153en
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21.09.2016
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