Auto calculation of the coefficients of the quadratic function
Set “1” to U107 in order to fit the approximate coefficients of the quadratic function (3001)
(
) to a characteristic represented by three operating points which are given by
function codes U101 to U106. Coefficients (K
A
, K
B
, K
C
) of the polynomial are automatically calculated and the
results are stored inside the function codes U92 to U97, and U107 reverts to “0”.
U107 data Function
0 Invalid
1 Execute calculation
(to get the coefficients (KA, KB, KC) of the following polynomial
)
■ Setting examples of customizable logic
Setting example 1: Use one switch to change multiple signals
If you use one switch to change the frequency setting 2/frequency setting 1 and torque limit 2/torque limit 1
simultaneously, replace an external circuit that is conventionally needed with a customizable logic reducing the
general-purpose input terminals used to a single terminal.
To configure this customizable logic, set the function codes as follows. (Timer selection) and (Timer setting) do not
need to be modified if no change is made.
Function code
Setting
value
Settings Remarks
E01 Terminal [X1] function 11 Select frequency command
2/1 “Hz2/Hz1”
Can be used in
parallel as
general-purpose
input terminals
U00 Customizable Logic (Mode selection) 1 Enable
U01 Customizable logic:
Step 1
(Block
selection)
10 Through output +
General-purpose timer
Mode selection
U02 (Input 1) 4001 Terminal [X1] input signal X1
U71 Customizable logic:
Output signal 1
(Output
selection)
1 Output of step 1, “SO01”
U81 (Function
selection)
14 Select torque limiter level 2/1
“TL2/TL1”
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