
125
These above parameters are used for length
control.
The counting pulse is input from terminal
X6 defined as function NO.53. The length
is calculated based on F9.73 and F9.72.
Calculated length=number of counting
pulse÷number of pulse per revolution×shaft
circumference.
After correcting the calculated length by F9.70
and F9.71, the actual length is obtained.
Actual length=calculated length×F9.70÷F9.71
When the actual length (F9.69)≥preset length
(F9.68), the driver will stop automatically. You
must clear the actual length record (F9.69)
record or modify the setting of it to a value
smaller than preset length (F9.68), or the
driver cannot be started.
Note:
◇
The actual length can be cleared by multi-function
input terminal (set the corresponding parameter
at function NO.46) if the terminal is enabled. The
actual length and pulse number can be calculated
only after this terminal is disconnected.
◇
Actual length (F9.69) will be saved automatically
after power off.
In Fig.F9-7, the driver drives the motor, and the
motor, in turn, drivers the spindle through the
belt. The shaft that contact with the spindle
can measure the line speed of it which will be
transmit to the drive by the sensor in the form
of pulse. The driver will calculate the length
based on the number of pulses it received.
When the actual length. ≥ preset length, the
driver will give stop command automatically
to stop the spinning.
Application of stop at fixed length:
Fig. F9-7 Application of Stop at Fixed Length
F9.68
Preset length
0.000 ~ 65.535(KM)
0.000
F9.69
Actual length
0.000 ~ 65.535(KM)
0.000
F9.70
Length factor
0.100 ~ 30.000
1.000
F9.71
Length calibration
0.001 ~ 1.000
1.000
F9.72
Shaft circumference
0.10 ~ 100.00CM
10.00
F9.73
Pulse per revolution (X6)
1 ~ 65535
1000
.PUPS
%SJWFS
4FOTPS
4QJOEMF
4QFFE.FBTVSJOH4IBGU
4.2 Detailed Function Description
◇
Function of stop at fixed length is disabled if F9.68
is set to 0, but the calculated length is still effective.
FA Protection Parameter
FA.00
Motor overload protection
0 ~ 2
1
0: disabled
Without overload protection (use with
caution).
1: common motor (thermal relay, low speed
compensation)
Summary of Contents for SKI600
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