Mitsubishi Electric A800 Plus Series Function Manual page 143

Parameter setting procedure for tension sensorless torque control
6
Mechanical specifications setting
Set the following parameters according to the specifications of the machine used. Refer to 10.4 (Application
examples) on
Pr.
1235
1236
178 to 189
1230
645
1247
1243
1244
7
8
394
395
101
393
1231
1072
1114
∗1 Set the parameter according to the specification of the machine used.
∗2
The increment applies when Pr.21 = "0 (initial value)".
∗3
The increment applies when Pr.358 = "0 (initial value)".
7
Tension feedback setting
Set the following parameters according to the tension feedback input method when the tension sensor is used.
Pr.
Dancer / tension sensor
363
feedback input selection
∗1
The input specification in the initial setting is indicated. (Refer to
142
TENSION SENSOR FEEDBACK TORQUE CONTROL
page 199.
Name
Maximum winding diameter 1
Minimum winding diameter 1
Input terminal function selection
Winding/unwinding selection
Winding diameter storage
selection
Winding diameter change
increment amount limit
Gear ratio numerator (follower
side)
Gear ratio denominator (driver
side)
Acceleration time
Deceleration time
First acceleration time for line
speed command
First deceleration time for line
speed command
Second deceleration time for
line speed command
Line speed command
acceleration/deceleration
reference
Material thickness d1
Tension reverse selection
Torque command reverse
selection
Name
Setting
Set the maximum/minimum value in millimeter relative to the
∗1
winding diameter calculation result.
∗1
114 Set "114" for the X114 signal.
Set "109" for using the Stored winding diameter clear (X109)
109
signal.
117 Set "117" for using the Winding length clear (X117) signal.
0: Winding shaft
∗1
1: Unwinding shaft
0: Not stored.
∗1
1: The present winding diameter is stored.
Set the maximum change in 0.001 mm increments per winding
∗1
diameter calculation.
∗1 Set a gear ratio when a reduction gear is installed between the
driving shaft and motor shaft. (The increment is 1 for each
parameter.)
∗1
0 s
The increment is 0.1 seconds.
0 s
∗1
Setting is required in 0.1 second increments when the cushion
time is not considered for the line speed command.
∗1
Set the time in 0.1 second increments as required (for example,
for rapid deceleration).
∗1
setting.
Set the reference line speed (travel amount per minute) in 0.1 m
increments for the acceleration/deceleration time for the line
∗1
speed command.
Setting is required in 0.001 mm increments when thickness is
∗1
used for winding diameter calculation.
∗1
Set the torque generation direction in accordance with the
machine used.
∗1
Setting
3 Terminal 2 (analog value: 0 to 100%) (0 to 5 VDC)
4 Terminal 4 (analog value: 20 to 100%) (4 to 20 mADC)
Terminal 1 (analog value: -100 to 100%) (0 to ±10 VDC)
5
Terminal 6 (FR-A8AZ) (analog value: -100 to 100%) (0 to
6
±10 VDC)
9999 (initial value) No function
page 43.)
Remarks
∗2
Turn ON the X105 signal to enable the
∗2
∗3
Input method
∗1
∗2
∗1
∗1
∗1