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Building Technologies Division CC1N7550en
Industry Sector 24.05.2011
Technical data (cont’d)
Power supply for operation
- QRA73A17 / QRA75A17
- QRA73A27 / QRA75A27
AC 120 V
AC 230 V
Power supply for test via increasing the
power supply for QRI...
(X10-02 terminal 2)
From DC 14 V up to DC 21 V
Required signal voltage
(X10-02 terminal 6)
Min. DC 3.5 V
Perm. length of detector cable
- 6 wire cable
- Signal cable no. 3, 4 and 5
Max. 10
Max. 100 m (lay separately from L, N and
PE in shielded cable)
QRA7...
For more detailed information about QRA7…, refer to Data Sheet N7712.
7550a22/0108
LMV5...
X10-02.6
X10-02.2
X10-02.5
X10-02.4
X10-02.3
QRA7...
0...10 V
+
Ri > 10 M
Ω
4
3
PE
2
1
5
Assignment of LMV5… terminals:
X10-02 / 2 QRI... supply
X10-02 / 3 L
X10-02 / 4 N
X10-02 / 5 PE
X10-02 / 6 QRI... signal
Flame supervision
QRA7…
(suited for continuous
operation)
Connection diagram
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