Santerno Sinus M, User Manual

Page: 99 / 219

9-21
9.7 Frequency limit

Frequency limit using Max Frequency and Start Frequency
Group Code Parameter Name Setting Range Initial Unit
Function
group 1
F21 [Max frequency]
- 0 ~ 400 50.00 Hz
F23 [Start frequency]
- 0.1 ~ 10 0.50 Hz

Max Frequency: Frequency highest limit. Any frequency cannot be set above [Max
frequency] except for F22 [Base frequency].

Start Frequency: Frequency lowest limit. Until a frequency reference is set lower than this,
0.00 output frequency is automatically set.

Frequency command limit using High/Low limit
Group Code Parameter Name Setting Range Initial Unit
Function
group 1
F24
[Frequency high/low
limit select]
1 0 ~ 1 0
F25 [Frequency high limit] - 0 ~ 400 50.00 Hz
F26 [Frequency low limit] - 0 ~ 400 0.50 Hz

Set F24 to 1.

Active run frequency can be set within the range of F25 and F26.

When frequency setting is done via Analog input (voltage or current input), the inverter operates within
the range of high and low limit frequency as shown below.

This setting is also valid when frequency setting is done via keypad.
Freq.
V1(Voltage input)
Max freq.
0 20mA
10V
I (Current input)
High limit
freq.
Low limit
freq.
When freq. limit is not
selected