5.3 Description of Function Codes 5.3.9 d codes (Applied functions 2)
Winding diameter calculation (Minimum winding diameter, Maximum winding
diameter, Initial winding diameter)
Related function code: d41 (Application control selection)
Set the minimum winding diameter d163 which acts as the reference for the winding diameter calculation, the
maximum winding diameter d164 which is the winding diameter calculation upper limit, and the initial diameter
[d165] set when setting the initial winding diameter. All of these items are set in mm.
The upper limit for winding diameter calculation is 100 times the maximum diameter d163/minimum diameter d164.
• Data setting range: 1 to 65535 (mm)
The winding diameter calculation is not memorized when the inverter power is turned OFF. By stopping
the machine during winding/unwinding, and turning the inverter power OFF, the value returns to the initial
winding diameter when the power is turned ON again. To set the initial winding diameter as the winding
diameter when the inverter power is turned OFF, record the winding diameter at the host controller, and
set this for d165 when the power is turned ON again.
Initial diameter set command “D-SET”(Function codes E01 to E09, data = 169)
By setting the initial winding diameter d165, and turning ON the initial position set command “D-SET” (E01 to E09:
169), the winding diameter calculation can be initialized.
Enable (Initializes the winding diameter calculation value with initial winding diameter
d165)
Winding diameter calculation hold command “D-HLD” (Function codes E01 to E09, data = 170)
By turning ON the winding diameter calculation hold command “D-HLD” signal during constant surface speed
control, updating of the winding diameter calculation result is canceled. The inverter setting frequency is calculated
from the winding diameter calculation value and line speed setting when the winding diameter calculation hold
command “D-HLD” signal is ON.
Enable (Holds the winding diameter calculation value.)
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