Siemens LMV50 Series Manual page 276

Terminal Connection
marking symbol
PIN 6
PIN 5
PIN 4
X81
PIN 3
PIN 2
PIN 1
PIN 5 GND
PIN 4 CANL
X84 PIN 3 CANH
PIN 2 12VAC2
PIN 1 12VAC1
PIN 5 GND
PIN 4 CANL
X85 PIN 3 CANH
PIN 2 12VAC2
PIN 1 12VAC1
PIN 3
PIN 2
X86
PIN 1
PIN 3
PIN 2
X87
PIN 1
PIN 1 PE
PIN 2 Q5 N
X89-02
PIN 3 Q4 L
PIN 1 PE
PIN 2 N
X89-01
PIN 3 L
276/327
Building Technologies
Description of connection
O2 module
Temperature compensation QGO20 (U3)
˜
Power supply temperature compensation
˜
(G2)
GND (M)
III ˜ ˜
Thermocouple (B2)
˜
GND (M)
˜ ˜
Nernst voltage (B1)
˜
Signal reference
˜
Communication signal
˜
Communication signal
III
˜
AC supply for O
˜
AC supply for O
˜
Signal reference
˜
Communication signal
˜
Communication signal
III
˜
AC supply for O
˜
AC supply for O
˜*
Combustion air / flue gas temperature sensor
Shield connection
˜
Signal reference
˜
III
Flue gas temperature sensor input
˜
Pt1000 / LG-Ni 1000
Shield connection
˜
Signal reference
˜
III
Combustion air temperature input
˜
Pt1000 / LG-Ni 1000
Protective earth (PE)
˜
QGO20
heating
˜
I
QGO20 heating
˜
Protective earth (PE)
˜
Power supply neutral conductors (N)
˜
I
Power supply live conductor (L)
˜
Basic Documentation LMV5...
19 O2 trim control with LMV52 and PLL52
module
2
module
2
module
2
module
2
Electrical rating
DC [0...2 V], Ri > 100 kς
DC [12...18 V], Ra = 20 ς
DC [0...33 mV], Ri > 100 kς
DC [-25...1 mV], Ri > 100 kς
DC U <= 5 V, Rw = 120 ς,
level to ISO-DIS 11898
AC 12 V +10% / -15%, 0...60 Hz,
fuse max. 4 A
DC U <= 5 V, Rw = 120 ς,
level to ISO-DIS 11898
AC 12 V +10% / -15%, 0...60 Hz,
fuse max. 4 A
At AC 120 V +10 % / -15%,
50...60 Hz, Imax. 2.5 A
At AC 230 V +10 % / -15%,
50...60 Hz, Imax. 2.5 A
AC 230 V +10 %/ -15%,
50...60 Hz, Imax. 2.5 A
CC1P7550en
22.05.2018