4-16
4-2 Function Mode
4
Functions
Multi-step Speed Operation Function
•You can set RUN speeds using codes and switch between the set speeds via the terminal.
•For multi-step speed operation, you can select either 4-terminal binary operation (with 16 steps
max.) or 7-terminal bit operation (with 8 steps max.).
* To switch to the 2nd/3rd control, allocate 08 (SET)/17 (SET3) to the desired multi-function input and then turn it
on.
•During multi-step speed operation, if frequency reference selection A001 is set to the terminal (01),
and the external analog input (O, O2, OI) setting mode based on a combination of O/OI selection
A005, O2 selection A006, and the AT terminal is set to "reversible", the RUN command is inverted
when "main frequency reference +
auxiliary frequency reference" is less than zero.
Parameter No. Function name Data Default setting Unit
A019 Multi-step speed selection
00: Binary: 16-step selection with 4
terminals
01: Bit: 8-step selection with 7
terminals
00
A020 Multi-step speed reference 0
0.0/Starting frequency to
Max. frequency
6.00
Hz
A220
*2nd multi-step speed
reference 0
A320
*3rd multi-step speed
reference 0
A021 Multi-step speed reference 1
0.00
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
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