Function Application
‑655‑
Figure 3‑81 Diagram of tension setup at zero speed
Parameters for initial roll diameter auto-tuning
When the tension setup at pre‑speed function is enabled, you can also enable the
initial roll diameter auto‑tuning function. During tension setup, the AC drive auto‑
tunes the initial roll diameter to remove the need for roll diameter reset or initial roll
diameter input (for tension setup at zero speed in FVC mode only).
Para.
No.
Name Default
Value Range Description
B1‑37
Initial roll diameter auto‑
tuning selection
0
0: Disabled
1: Enabled
When the tension setup at pre‑speed function is
enabled, you can also enable the initial roll
diameter auto‑tuning function for the AC drive to
auto‑tune the initial roll diameter. This function is
applicable to rod control only. This function is
enabled when B1‑37 is set to 1, and disabled
when B1‑37 is set to 0.
B1‑38
Rod length
300 mm
1 mm to 65535
mm
The rod length after the initial roll diameter is
auto‑tuned.
B1‑39
Rod angle
40° 0.1° to 360.0°
The rod angle after the initial roll diameter is
auto‑tuned.
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