Siemens LME71 Series

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Smart Infrastructure Basic Documentation LME7... CC1P7105enr
4 Technical data 24.07.2020
LME...
71
05
z2
3/
121
8
1
2
X10-05
ION
LME7 connection assignment:
Terminal X10-05 pin 2 flame signal
ionization input
Ionization probe
LME7...
M
C
ION
X10-05/2
X10-05/1
Figure 4: Measuring circuit for ionization probe
Legend
C Electrolytic condenser 100...470 µF; DC 10...25 V
ION Ionization probe
M
Microammeter Ri max. 5,000 
Warning!
Simultaneous operation of QRA and ionization probe is not permitted!
If not observed, there is a risk of impairment of safety functions.
Connection diagram
Measuring circuit for detector
current measurement