Siemens LMV5 Series Basic Documentation page 6

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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Actuator speed outside normal operation .............................................59
Operating position .................................................................................59
Modulating .........................................................................................59
Multistage operation ..........................................................................60
1.1.1
Position check................................................................................................61
Dynamic safety time ratio control ..........................................................61
Outside the operating position ..............................................................63
Operating position modulating ..............................................................63
Operating position multistage................................................................63
1.1.1
Special features .............................................................................................63
Program stop.........................................................................................63
Direction of rotation of actuators ...........................................................63
Limitation of the load range ...................................................................64
Activation of actuators / VSD ...............................................................65
LMV51... ............................................................................................65
LMV52... ............................................................................................65
Number of fuel actuators .......................................................................65
Traveling times ......................................................................................65
Shutdown behavior ...............................................................................65
Overload protection of actuators ...........................................................65
Curve adjustment ..................................................................................65
1
1.1
General ..........................................................................................................66
1.1
Connection diagram.......................................................................................66
1.1
Operating modes with the load controller ......................................................66
Operating mode 1 (ExtLC X5-03)..........................................................67
Operating mode 2 (intLC)......................................................................68
Operating mode 3 (int LC bus) ..............................................................68
Operating mode 4 (int LC X62) .............................................................69
Operating mode 5 (Ext LC X62) ............................................................69
Operating mode 6 (Ext LC bus) ............................................................70
1.1.1
Operating mode changeover to internal load controller .................................70
1.1
Control (characteristics) .................................................................................71
Operating mode ....................................................................................71
1.1.1
Integrated 2-position controller (C = ON / OFF).............................................71
General .................................................................................................71
Switching differentials........................................................................71
1.1.1
Modulating control..........................................................................................72
General .................................................................................................72
Function diagrams.................................................................................72
Control parameters ...............................................................................72
Manual setting of the control parameters ..........................................72
Self-setting of control parameters (adaption) ........................................73
Adaption sequence ...............................................................................73
Checking the control parameters ..........................................................74
Example.............................................................................................74
Settling of the manipulated variable ......................................................75
Principle.............................................................................................75
Description (graph) ............................................................................75
1.1.1
Multistage control...........................................................................................76
Basisdokumentation LMV5...
CC1P7550en
01.10.2003

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