9.2 Details of Function Codes
9-49
Chap. 9 FUNCTION CODES
Terminal function assignment and data setting
Select multistep frequency (0 to 15 steps) -- SS1, SS2, SS4, and SS8
(Function code data = 0, 1, 2, and 3)
The combination of the ON/OFF states of digital input signals SS1, SS2, SS4 and SS8 selects
one of 16 different frequency commands defined beforehand by 15 function codes C05 to
C19 (Multistep frequency 0 to 15). With this, the inverter can drive the motor at 16 different
preset frequencies.
The table below lists the frequencies that can be obtained by the combination of switching
SS1, SS2, SS4 and SS8. In the "Selected frequency" column, "Other than multistep
frequency" represents the reference frequency sourced by frequency command 1 (F01),
frequency command 2 (C30), or others. For details, refer to the block diagram in Section 4.2
"Drive Frequency Command Block."
SS8 SS4 SS2 SS1 Selected frequency
OFF OFF OFF OFF Other than multistep frequency
OFF OFF OFF ON C05 (Multistep frequency 1)
OFF OFF ON OFF C06 (Multistep frequency 2)
OFF OFF ON ON C07 (Multistep frequency 3)
OFF ON OFF OFF C08 (Multistep frequency 4)
OFF ON OFF ON C09 (Multistep frequency 5)
OFF ON ON OFF C10 (Multistep frequency 6)
OFF ON ON ON C11 (Multistep frequency 7)
ON OFF OFF OFF C12 (Multistep frequency 8)
ON OFF OFF ON C13 (Multistep frequency 9)
ON OFF ON OFF C14 (Multistep frequency 10)
ON OFF ON ON C15 (Multistep frequency 11)
ON ON OFF OFF C16 (Multistep frequency 12)
ON ON OFF ON C17 (Multistep frequency 13)
ON ON ON OFF C18 (Multistep frequency 14)
ON ON ON ON C19 (Multistep frequency 15)
Select ACC/DEC time -- RT1
(Function code data = 4)
This terminal command switches between ACC/DEC time 1 (F07, F08) and ACC/DEC time
2 (E10, E11).
If no RT1 command is assigned, ACC/DEC time 1 (F07, F08) takes effect by default.
Input terminal command
RT1
Acceleration/deceleration time
OFF Acceleration/deceleration time 1 (F07, F08)
ON Acceleration/deceleration time 2 (E10, E11)
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