Mitsubishi Electric A800 Plus Series Function Manual page 103

Parameter setting procedure for tension sensor feedback speed control
8
Actual line speed input setting
Set Pr.362 according to the line speed command value input method for calculating the winding diameter (actual
line speed method). (Setting is not required for the intermediate shaft.)
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
102
TENSION SENSOR FEEDBACK SPEED CONTROL
Name Setting
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
Input method
V* (line speed command)
Terminal JOG single-phase pulse train input (Refer to
FR-A8AP/FR-A8AL/FR-A8TP encoder pulse train input
(complementary 12 V / differential 5 V (A-, B-phases))
(Refer to page 164)
Terminal 2 (analog value: 0 to 100%) (0 to 5 VDC)
to page 165)
Terminal 4 (analog value: 20 to 100%) (4 to 20 mADC)
(Refer to page 165)
Terminal 1 (analog value: -100 to 100%) (0 to ±10 VDC)
(Refer to page 165)
Terminal 6 (FR-A8AZ) (analog value: -100 to 100%) (0 to
±10 VDC)
(Refer to page
∗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
page
∗2
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
164)
∗1
(Refer
∗2
∗2