4-12
4-2 Function Mode
4
Functions
•This returns to the factory default value after initialization.
O, OI Sampling
Set the built-in filter applied to frequency setting signals via external voltage/current input.
•Helps remove noise in the frequency setting circuit.
•Set a larger data value if stable operation cannot be secured because of noise.
Note that the larger the data value is, the slower the response time.
•In case of setting "17", it indicates the setting of 16 moving average calculation disregarding the
voltage fluctuation equivalent to 0.1 Hz. Though the frequency becomes less likely to fluctuate, the
resolution for analog input decreases. This setting is not suitable for equipment that requires rapid
response.
Multi-step Speed Operation Function
Set different RUN speeds by using codes and switch the set speed via the terminal.
* To switch to the 2nd multi-step speed reference 0, allocate 08 (SET) to the multi-function input terminal and then
turn it on.
200% setting
Set frequency
Max.
frequency
Max.
frequency/2
0
0V, 4mA 5V, 12mA
10V, 20mA
100% setting
50% setting
Parameter No. Function name Data Default setting Unit
A016 O, OI sampling 1. to 17. 8. -
Related parameters A011 to A016, C001 to C005
Parameter No. Function name Data Default setting Unit
A020
Multi-step speed
reference 0
0.0/Starting frequency to Max.
frequency [A004]
6.0
Hz
A220
*
2nd multi-step speed
reference 0
A021
Multi-step speed
reference 1
0.0
A022
Multi-step speed
reference 2
A023
Multi-step speed
reference 3
A024
Multi-step speed
reference 4
A025
Multi-step speed
reference 5
A026
Multi-step speed
reference 6
A027
Multi-step speed
reference 7
A028 to A035
Multi-step speed
references 8 to 15
Related parameters F001, C001 to C005, CF1 to CF4 inputs
Required settings F001, A001 = 02
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