Mitsubishi Electric A800 Plus Series Function Manual page 115

Parameter setting procedure for tension sensorless torque control
The following table shows a setting example.
Item
Tension command
input method
Parameter setting
8
Actual line speed input
Use Pr.362 to select the input terminal for actual line speed.
Pr.
362 Actual line speed input selection
∗1
To perform Vector control, install the Vector control compatible option.
∗2 The input specification in the initial setting is indicated. (Refer to
The following table shows setting examples.
Item
Actual line
speed input
method
Parameter
setting
114
TENSION SENSORLESS TORQUE CONTROL
Setting by analog voltage (0 to 10 V) input through terminal 1 (Pr.804 = "0")
(Maximum tension)
(Minimum tension)
Pr.868 Terminal 1 function assignment = "3 or 4"
Pr.1402 Tension command input voltage bias = 0%
Pr.1403 Tension command bias = Minimum tension
Pr.1404 Tension command input voltage gain = 100%
Pr.1405 Tension command gain = Maximum tension
Pr.1401 Tension command increment = "0" (0.01 N increment)
Name
0 (initial value)
1
2
3
4
5
6
7
9999
Setting example 1
Setting by analog current (4 to 20 mA) input
through terminal 4 (Pr.362 = "4")
Actual line speed
Pr.279
(Maximum line speed)
Pr.281
(0 m/min)
4 mA
Pr.280
(20%)
Analog input value
Pr.280 Actual line speed voltage/current bias =
20%
Pr.281 Actual line speed bias = 0 m/min
Pr.278 Actual line speed voltage/current gain =
100%
Pr.279 Actual line speed gain = Maximum line
speed
Setting example
Tension command value
Pr.1405
Pr.1403
0 V
Pr.1402
(0%)
Setting
V* (line speed command)
Terminal JOG single-phase pulse train input (Refer to
164)
FR-A8AP/FR-A8AL/FR-A8TP encoder pulse train input
(complementary 12 V / differential 5 V (A-, B-phases))
(Refer to page
Terminal 2 (analog value: 0 to 100%) (0 to 5 VDC)
page 165)
Terminal 4 (analog value: 20 to 100%) (4 to 20 mADC)
(Refer to page
Terminal 1 (analog value: -100 to 100%) (0 to ±10 VDC)
(Refer to page
Terminal 6 (FR-A8AZ) (analog value: -100 to 100%) (0 to ±10
VDC) (Refer to
∗2
FR-A8AL single-phase pulse train input (PP, NP) (Refer to
page 164)
No function
page 43.)
Setting by pulse train input through terminal JOG
(Pr.362 = "1")
(Maximum line speed)
20 mA
Pr.278
(100%)
Pr.384 Input pulse division scaling factor ≠ "0"
Pr.281 Actual line speed bias = 0 m/min
Pr.282 Actual line speed pulse input bias = 0 kpps
Pr.279 Actual line speed gain = Maximum line
speed
Pr.283 Actual line speed pulse input gain =
Maximum number of pulses
Analog input value
10 V
Pr.1404
(100%)
Input terminal
164)
165)
165)
page 165)
Setting example 2
Actual line speed
6553.4
Pr.279
Pr.281
(0 m/min)
Pr.282 Pr.283
(0 kpps) (Maximum number
of pulses)
Number of input pulses
page
∗1
(Refer to
∗2
∗2
∗2