YASKAWA VS MINI J7 Series Instruction Manual page 69

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Adjusting frequency upper and lower limits
Using two accel/decel times
* When "deceleration to a stop" is selected (n04 = 0)
Two acceleration times and two deceleration times can be selected via a multi-function
input. Programming any of terminals S2 through S5 (parameter n36 to n39) to "11"
"Accel/Decel time select", provides the ability to switch between the 2 acceleration
times (n16 and n18) and deceleration (n17 and n19) through a contact closure applied
to the appropriate terminal (See timing diagram above).
Frequency reference upper (n30) and lower
(n31) limits determines the range over which the
inverter will operate.
• Frequency reference upper limit (n30)
Sets the upper limit of the frequency
reference in units of 1%.
(n09: Maximum output frequency = 100%)
Factory setting: 100%
• Frequency reference lower limit (n31)
Sets the lower limit of the frequency
reference in units of 1%.
(n09: Maximum output frequency = 100%)
When operating at frequency reference 0,
operation is continued at the frequency
reference lower limit.
However, when frequency reference lower
limit is set to less than the minimum output
frequency (n14), operation is not performed.
Factory setting: 0%
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