Vsd Module - Siemens LMV50 Series Manual

General
Basic diagram
LMV50/LMV51.3
Configuration of the
LMV5 (BU)
LMV52
configuration of the
LMV5 (BU)
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18 VSD module

Only LMV50 / LMV51.3 / LMV52
The VSD module is an internal extension to the LMV5 (PBC) and is used for the control
of VSD that ensure safety-related supervision of the fan speed.
2 fuel meters (oil and gas) can be connected as an option.
Speed setpoint 0/4...20 mA
Counter
Oil
Counter
7550b12e/0816
Actuator oil
Figure 111: Connection of VSD module
The auxiliary actuator can be parameterized on the LMV5, depending on the type of
fuel. The function offers 2 choices: Air damper or VSD.
The Damper act configuration corresponds to the previous function of the LMV51.0 and
LMV51.1.
Parameter Aux Actuator (deactivated / activeDamper / active VSD /
AuxActuator3 / VSD + AuxActuator3)
On the LMV52, the VSD option can be selected in addition to the actuators.
Here, it is also selected whether the VSD shall be used in connection with O2 trim
control.
Parameter VSD (deactivated / activated / air influen)
Basic Documentation LMV5...
18 VSD module
Release
Actuator air
VSD
M
Sensor disk
Speed of actual value
CC1P7550en
22.05.2018