Setteling Time - Siemens LMV5 Series Technical Instructions
Linkageless burner management system
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LMV Series
LEGEND - Password Access: (U)=User, (S)=Service, (O)=OEM, Shaded = Commonly Used, ** = Must Set, X = Has Function, / = Partial Function
Menu Path
Parameter
ReleasecontctVSD (S)
Params & Display>
VSD Module>
Configuration
TolQuickShutdown (O)
Num Puls per R (S)
Standardization (S)
Params & Display>
StandardizedSp (S)
VSD Module>
Configuration>
Speed
Absolute Speed (U)
Setpoint Output (S)
Setteling Time (O)
Params & Display>
PulseValueGas (S)
VSD Module>
Configuration>
PulseValueOil (S)
Fuel Meter
SCC Inc.
Default
Range
This sets the behavior of the run / stop dry contact (terminals X73.1 and X73.2) from
postpurge (phase 78) into phase 10 when the VSD is driving to home position (0 RPM). If set
open
closed
to open, the blower will freewheel after phase 78. If set to closed, the blower speed will be
closed
ramped down according to parameter TimeNoFlame . Typically set to open if VSD does not
have a braking resistor and closed if VSD has a braking resistor.
This sets the percentage of speed deviation from the desired blower speed that will cause an
10%
0-100%
immediate shut down of the burner. Note: 100% means no quick shutdown (function
deactivated) and is not recommended.
This sets the expected number of pulses per motor revolution. This setting depends upon
3
3-6
what type of speed wheel is used.
This starts the standardization process for the motor driven by the VSD. When activated, it
activated
deact
will ramp the VSD up and then down with the air damper open. During this time the LMV52
deactivated
will correlate a milliamp signal to the peak motor RPM.
Shows the motor speed corresponding to a 95% input signal to the VSD / motor combination.
1 RPM
1-6300 RPM
This is automatically set when the VSD / motor is standardized. It can be set manually, but
this is not recommended in most circumstances.
Read Only
This displays the real time speed of the blower motor in RPM (tachometer).
0..20 mA
This sets what the output signal will be to the VSD. It can be set to 4-20mA or
4..20 mA
4..20 mA
0-20mA.
This sets a filter time or a delay time between when a speed is read from the speed wheel to
16
8-200
when the LMV52 attempts to correct the speed. This feature is in effect during modulation.
(400ms)
(200-5000ms)
Setting is multipled by 25 milliseconds, so a setting of 16 yields 400ms or 0.4 seconds.
This sets the number of pulses per unit of gas flow (for use with gas meters having a pulsed
1
0-999.99999
output). Can be set for pulses per cubic meter or pulses per cubic foot.
This sets the number of pulses per unit of oil flow (for use with oil meters having a pulsed
1
0-9999.9999
output). Can be set for pulses per gallon or pulses per cubic liter.
Page 39
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