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MG.30.A7.02 - VLT
®
is a registered Danfoss trademark
Use of the VLT
®
frequency converter’s internal PID regulator
with internal set-point (digital reference = 50%)
Feedback 0-10 bar ~ 4-20 mA
Min. speed = 10 Hz
Max. speed = 50 Hz
Function
Parameter no.
Parameter value
Activation of
PID regulator
101
closed loop
Internal setpoint
205
50 %
Feedback type
114
current
Current signal
413
4-20 mA
Min. speed
201
10 Hz
Max. speed
202
50 Hz
Regulator range
120
Depends on
application
Proportional
121
Depends on
amplification
application
Integration time
122
Depends on
application
Differentiation time
123
Depends on
application
Example 7:
NB:
Screen for control cables must be
connected as described in the chapter on
EMC-correct installation.
All settings are based on factory settings, but
motor data (parameters 103-105) must be set
according to the motor connected
The following must be programmed:
Connection examples
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