Danfoss VACON 100 FLOW Series - Page 242

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A
Setpoint
B
PID Setpoint
C
Wake-up level
11.15.5.5 (ID 1793) SP1 Sleep Boost
Location in the menu: P3.13.5.5
Use this parameter to set the value that is added to the actual setpoint value when the sleep boost function is used. Before the drive
goes to the sleep state, the PID regulation setpoint increases automatically, which gives a higher process value. The sleep state is
longer, also when there is some moderate leakage.
The boost level is used when there is a frequency threshold and delay, and the drive goes to the sleep state. After the increment in
the setpoint by the actual value, the boost increment of the setpoint is erased and the drive goes to the sleep state and the motor
stops. The boost increment is positive with the direct PID regulation (P3.13.1.8 = Normal) and negative with the reverse PID regula-
tion (P3.13.1.8 =Inverted).
If the actual value does not go to the increment setpoint, the boost value is erased after the time set with P3.13.5.5. The drive goes
to the normal regulation with the normal setpoint.
In a Multi-pump setup, if an auxiliary pump starts during the boost, the boost sequence stops and the normal regulation continues.
11.15.5.6 (ID 1795) SP1 Sleep Boost Maximum Time
Location in the menu: P3.13.5.6
Use this parameter to set the timeout time for the sleep boost function.
11.15.5.7 (ID 1075) SP2 Sleep Frequency
Location in the menu: P3.13.5.5
Use this parameter to set the limit below which the output frequency of the drive must stay for a set time before the drive goes to
the sleep state.
The value of this parameter is used when the signal of the PID controller setpoint is taken from the setpoint source 1.
Criteria for going to sleep mode:
Output frequency remains below sleep frequency for longer than defined sleep delay time.
PID feedback signal remains above defined wake-up level.
Criteria for waking from sleep
PID feedback signal falls below defined wake-up level.
N O T I C E
An incorrectly set wake-up level can prevent the drive from going into sleep mode.
11.15.5.8 (ID 1076) SP2 Sleep Delay
Location in the menu: P3.13.5.6
Use this parameter to set the minimum duration that the output frequency of the drive must stay below the set limit before the
drive goes to the sleep state. The value of this parameter is used when the signal of the PID controller setpoint is taken from the
setpoint source 1.
11.15.5.9 (ID 1077) SP2 Wake-Up Level
Location in the menu: P3.13.5.7
Use this parameter to set the level at which the drive wakes up from the sleep state. When the PID feedback value goes below the
level that is set with this parameter, drive wakes up from the sleep state. The operation of this parameter is selected with wake-up
mode parameter.
11.15.5.10 (ID 1020) SP2 Wake-Up Mode
Location in the menu: P3.13.5.8
Use this parameter to select the operation for the wake-up level parameter. The drive wakes up from the sleep mode when the
value of PID Feedback goes below the Wake-up level.
This parameter defines if Wake-up level is used as a static absolute level or as a relative level which follows PID setpoint value.
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Parameter Descriptions
VACON® 100 FLOW
Application Guide