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Search FAQs

How do I set up PID for sleep wakeup on an ATV21 or ATV212 drive?

Issue:
Sleep Wake Up function

Product Line:
ATV212, ATV21

Environment:
All model and serial numbers

Cause:
None

Resolution:
For PID setup see FAQ FA230136.

PID SLEEP WAKEUP can be enabled by setting F256 [Time limit low spd]
Setting this function to 0 disables this function.
The range of this function is between 0 and 600 seconds.  0 disables this function. 

If parameter F256 is enabled and if the drive operates continuously at [Low limit frequency] (LL) for a time period equal to the setting of F256, the drive will ramp the motor to a stop. While the motor is stopped, “LStP” will flash on the drive
embedded display terminal.

When the speed reference to the drive exceeds the low speed level LL+F391, the drive will accelerate the motor to the new speed
reference.

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