Block Diagram (Cont'd) - Siemens LMV5 Series Basic Documentation

Burner control with integrated fuel / air ratio control, burner control with load control and oxygen trim control for forced-draft burners
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Block diagram (cont'd)

LMV5...
Temperature/pressure controller
Functional earth for
shield connection
Temperature sensor
Pt/LG-Ni 1000 (input 4)
Temperature sensor
Pt 100 (input 1)
Line compensation
Pt100
Reference ground
TEMP.
Functional earth for
shield connection
Power supply for temp./
pressure transmitter
Voltage input
DC 0...10 V (input 2)
Current input
4...20 mA (input 2)
Reference ground
TEMP./PRES. INPUT
Functional earth for
shield connection
Power supply for
setpoint changeover
Voltage input
DC 0...10 V (input 3)
Current input
4...20 mA (input 3)
Reference ground
SET POINT INPUT
Functional earth for
shield connection
Current output
4...20 mA
Burner output
Reference ground
LOAD OUTPUT
Siemens Building Technologies
HVAC Products
X60.5
X60.3
X60.1
Pt 100
X60.2
ϑ
X60.4
X61.5
X61.1
X61.2
I
+
4...20mA
X61.3
X61.4
X62.5
X62.1
X62.2
I
+
4...20mA
X62.3
X62.4
X63.3
X63.1
X63.2
SQM4...
SHIELD
12VAC1
12VAC2
CANH
CANL
GND
FE
Basic Documentation LMV51...
2 General
Pt/LG-Ni 1000
ϑ
U
0...10 V
+
ϑ / p
ϑ / p
U
+
0...10 V
AZL5...
SHIELD
12VAC1
12VAC2
CANH
CANL
GND
SQM4...
SQM4...
SHIELD
SHIELD
12VAC1
12VAC1
12VAC2
12VAC2
CANH
CANH
CANL
CANL
GND
GND
FE
FE
CDO
(02-D)
1
2
PRI
SEK II SEK III
12V 0 0 12V
1 2
3
4
DEFL
Power supply
(PELV)
T1
AGG5.2...
1
X52.1
SEK II
12VAC
2
X52.2
*
3
SEK III
12VAC
4
X52.3
*
Optional
X52.4
FE
X50.1
white
X50.2
brown
X50.3
yellow
X50.4
grün
X50.5
schwarz
X50.6
SQM4...
X51.1
SHIELD
white
X51.2
12VAC1
brown
X51.3
12VAC2
yellow
X51.4
CANH
green
X51.5
CANL
black
X51.6
GND
FE
LINE
SEK I
12V/1,2A
1 2
DFO
(02-I)
LMV5...
12VAC1
Reference ground
(PELV)
12VAC2
Functional earth
Functional earth for
shield connection
12VAC1
12VAC2
CANH
CANL
Reference ground
(PELV) GND
BUS
Functional earth for
shield connection
12VAC1
12VAC2
CANH
CANL
Reference ground
(PELV) GND
BUS
25/278
CC1P7550en
01.10.2003

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