Mitsubishi Electric A800 Plus Series Function Manual page 146

10
Taper ratio setting
Set the taper ratio input method for using the taper ratio.
Pr.
1285 Taper setting analog input selection
1287 Taper ratio setting
Pr.1287 setting
0 to 100% —
3
4
5
9999
6
9999
∗1
The input specification in the initial setting is indicated. (Refer to
The following table shows a setting example.
Item
Taper ratio setting method
Parameter setting
For using the taper ratio, set the following parameters according to the taper mode.
Pr.
1284 Taper mode selection
1286 Winding diameter at taper start
NOTE
• For the details of the taper function, refer to
11
Inertia compensation function setting
Set the following parameters for using the inertia compensation function.
Pr. Name
Line speed command
393 acceleration/deceleration
reference
178 to
Input terminal function selection
189
1410 Motor inertia
1411 Empty reel inertia
1412 Roll width
1413 Material specific gravity
∗1 Set the parameters according to the specification of the machine used.
NOTE
• For the details of the inertia compensation function, refer to
Parameter setting procedure for tension sensorless torque control
Name
Pr.1285 setting
As set in Pr.1287
Terminal 2 (analog value: 0 to 100%) (0 to 5 VDC)
Terminal 4 (analog value: 20 to 100%) (4 to 20 mADC)
Terminal 1 (analog value: -100 to 100%) (0 to ±10 VDC)
Terminal 6 (FR-A8AZ) (analog value: -100 to 100%) (0 to
±10 VDC)
∗2
No function
Setting by analog voltage (0 to 5 V) input through terminal 2 (Pr.1287 = "9999", Pr.1285 = "3")
C3 (Pr.902) Terminal 2 frequency setting bias = 0%
C4 (Pr.903) Terminal 2 frequency setting gain = Taper ratio (%)
Name
page 124.
Setting
∗1
111
112
122
∗1
∗1
∗1
∗1
TENSION SENSOR FEEDBACK TORQUE CONTROL
Taper ratio setting
page 43.)
Setting example
Taper ratio
C4 (Pr.903)
(Taper ratio)
C3 (Pr.902)
(0%)
0 V
Analog input value
Remarks
Set the line speed at minimum diameter (the maximum line speed
during tension control).
Assign the Inertia compensation acceleration (X111) signal. Input
the Line speed acceleration (Y237) signal from the inverter
connected to the intermediate shaft.
Assign the Inertia compensation deceleration (X112) signal. Input
the Line speed deceleration (Y238) signal from the inverter
connected to the intermediate shaft.
Assign the Winding diameter measurement (X122) signal.
Set the motor inertia.
Set the empty reel inertia value.
Set the roll width.
Set the specific gravity of the material.
page 130.
∗2
∗2
∗2
5 V
145
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