WEG CFW501 V1.8X Programming Manual page 176

HVAC Functions
P1037 – Main PID Controller Sleep Mode Time
Adjustable
Range:
Properties:
Access groups
via HMI:
Description:
This parameter defines a time with the motor speed in low conditions for the controlled system is in sleep mode,
will be generated the alarm message "A0764: Sleep Mode Active".
P1038 – Main PID Controller Wake up Percentage Deviation
Adjustable
Range:
Properties:
Access groups
via HMI:
Description:
This parameter defines a percentage difference (deviation) between the control variable (feedback) and the
Main PID controller automatic setpoint required for the controlled system to operate again (wake up). When the
difference between control variable and Main PID controller automatic setpoint is greater than this percentage
programmed, the wake up condition will be activated.
P1039 – Main PID Controller Wake up Time
Adjustable
Range:
Properties:
Access groups
via HMI:
Description:
This parameter defines a time with the wake up condition programmed activated for the CFW501 frequency
inverter start the motor again.
See below the operation diagram of the motor driven by the CFW501 frequency inverter for the sleep and wake
up operation.
18
18-18 | CFW501
0.00 to 650.00 s
HVAC
0.0 to 100.0 %
HVAC
0.00 to 650.00 s
HVAC
Factory 5.00 s
Setting:
Factory 5.0 %
Setting:
Factory
10.00 s
Setting: