Siemens LMV5 Series Technical Instructions

TechnicalInstructions  LMVSeries
DocumentNo.LV5‐1000
Section4 Page22 SCCInc.
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SuggestedLoadControlSetup
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After theRatioControlCurve has been commissioned, the load controllershouldbesetup.The load
controller can be run in internal load control modes (uses PID inside LMV5) or external load control
modes(usesaremotePIDcontrolseparatefromtheLMV5).Thetablebelowoutlinesthedifferentload 
controlmodesavailable.MostLMV5soperatewiththeinternalloadcontroller.
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Label Description
LMV5
Setpoint
UponX62.1‐
X62.2Closure

ExtLCX5‐03
Externalloadcontrol,firingratefrom
3‐positioninput

N/A(firingratevia
3‐positioninputor
stagedinput)
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Changeto
“IntLC”,setpoint
W1

Externalloadcontrol,
stagedoil
IntLC
Internalloadcontrol,setpointset
locallyonLMV5

W1/W2
Remainin
“IntLC”,change
tosetpointW2
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IntLCBus
Internalloadcontrol,setpointfrom
Modbuscommand

W3
(Modbus)
Changeto
“IntLC”,setpoint
W1

IntLCX62
Internalloadcontrol,setpointfrom
analogsignalonterminalX62

Remotesetpoint
ExtLCX62
Externalloadcontrol,firingratefrom
analogsignalonterminalX62

N/A(firingratevia
X62)

ExtLCBus
Externalloadcontrol,firingratefrom
Modbuscommand

N/A(firingratevia
Modbus)
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Note:Bump‐lesstransfer(LMV5willnotcycleoff)willoccurfrom“IntLC”toanyexternalloadcontrol
mode.Bump‐lesstransferwillalsooccurfromanyexternalloadcontrolmodeto“IntLC”providedthat
thepressureortemperatureisnotabovethecycle‐offlimit(SD_ModOff).
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Figure4‐7:LMV51.1andLMV52LoadControllerModes
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Siemens LMV5 Series Specifications

General

Brand	Siemens
Model	LMV5 Series
Category	Control Systems
Language	English