Yaskawa Matrix Converter - Manual (Page 237)

6
-72
Fig 6.52 UP/DOWN Commands Time Chart
on
on
on
on on
d4-01 = 1
d4-01 = 0
on
Output frequency
Upper limit
Accelerates to
lower limit Same
frequency
Lower limit
Forward operation/stop
UP Command
DOWN Command
Frequency
matching signal*
Reference
frequency reset
Power supply
* The frequency matching signal turn on when the motor is not accelerating/
decelerating while the Run Command is on.