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Chapter 4 Explanation of Functions
(1) Binary operation mode
Assign functions "02" (CF1) to "05" (CF4) individually to the terminal [1] to [8] functions (C001 to C008) to
make multispeed s 0 to 15 available for selection.
Specify the desired frequencies for speeds 1 to 15 by setting multispeeds 1 to 15 (A021 to A035).
You can set speed 0 by using function "A020", "A220", "A320", or "F001" (see Section 4.2.1) when you
have specified the digital operator for the frequency source setting. You can set speed 0 by using the O, OI,
or O2 terminal when you have specified the control circuit board for the frequency source setting.
CF4
FW
CF3
CF2
CF1
Speed 1
Speed 2
Speed 3
Speed 4
Speed 5
Speed 6
Speed 7
Speed 8
Speed 9
Speed 10
Speed 11
Speed 12
Speed 13
Speed 14
Speed 15
Speed 0
Frequency input from
the digital operator or
via an external analog
input terminal
Multispeed CF4 CF3 CF2 CF1
Speed 0 OFF OFF OFF OFF
Speed 1 OFF OFF OFF ON
Speed 2 OFF OFF ON OFF
Speed 3 OFF OFF ON ON
Speed 4 OFF ON OFF OFF
Speed 5 OFF ON OFF ON
Speed 6 OFF ON ON OFF
Speed 7 OFF ON ON ON
Speed 8 ON OFF OFF OFF
Speed 9 ON OFF OFF ON
Speed 10 ON OFF ON OFF
Speed 11 ON OFF ON ON
Speed 12 ON ON OFF OFF
Speed 13 ON ON OFF ON
Speed 14 ON ON ON OFF
Speed 15 ON ON ON ON
- With multispeed binary operation mode, you can use the multistage speed/position determination time
setting (C169) to specify a delay to be set until the relevant terminal input is determined. Use this
specification to prevent the application of fluctuating terminal input before it is determined.
- The input data is finally determined when terminal input becomes stable after the delay set as C169.
(Note that a long determination time deteriorates the input terminal response.)
Determination time
CF1
CF2
CF3
Fre
q
uenc
y
13
1
5
9
Determination time (C169) = 0
11
CF4
15
Determination time (C169) specified
4
(2) Bit operation mode
- Assign functions "32" (SF1) to "38" (SF7) individually to the terminal [1] to [8] functions (C001 to C008) to
make multispeed s 0 to 7 available for selection.
- Specify the desired frequencies for speeds 1 to 7 (SF1 to SF7)
SF1
SF2
SF3
SF4
SF5
FW
SF6
SF7
Frequency input from
the digital operator or
via an external analog
input terminal
Speed 1
Speed 2
Speed 3
Speed 4
Speed 5
Speed 6
Speed 7
Speed 0
Speed 1
by setting multispeeds 1 to 7 (A021 to A027).
Multispeed SF7 SF6 SF5 SF4 SF3 SF2 SF1
Speed 0 OFF OFF OFF OFF OFF OFF OFF
Speed 1 × × × × × × ON
Speed 2 × × × × × ON OFF
Speed 3 × × × × ON OFF OFF
Speed 4 × × × ON OFF OFF OFF
Speed 5 × × ON OFF OFF OFF OFF
Speed 6 × ON OFF OFF OFF OFF OFF
Speed 7 ON OFF OFF OFF OFF OFF OFF
If two or more input terminals are turned on at the same
time, the terminal given the smallest terminal number
among them has priority over others. The "X" mark in the above table indicates that the speed can be
selected, regardless of whether or not the corresponding terminal is turned on.
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