Danfoss VACON 3000 Application Manual page 215

VACON® 3000
Application Guide
7.228 (ID 1057) Dead Band Delay
Location in the menu:
• INU application: P3.12.1.10
Use this parameter to set the time that the feedback value must stay in the dead band area before the output of the PID controller is
locked. If the actual value stays in the dead band area for a time set in Dead Band Delay, the PID controller output is locked. This
function prevents wear and unwanted movements of the actuators, for example valves.
A
Illustration 45: The Dead band function
A Dead band (ID1056)
B Dead band delay (ID1057)
C Reference
7.229 (ID 1058) Feedback Function Gain
Location in the menu:
• INU application: P3.12.3.1
Use this parameter to adjust the gain of the feedback signal. This parameter is used, for example, with the value 2 in Feedback
Function.
7.230 (ID 1068) Setpoint Ramp Time
Location in the menu:
• INU application: P3.12.2.3
Use this parameter to set the rising and falling ramp times for the setpoint changes. Ramp time is the time that is necessary for the
setpoint value to change from minimum to maximum. If the value of this parameter is set to 0, no ramps are used.
7.231 (ID 1069) Setpoint 1 Minimum
Location in the menu:
•
INU application: P3.12.2.6
Use this parameter to set the minimum value of the setpoint signal.
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B
C
E
D Actual value
E Output locked
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Parameter descriptions
D