Mitsubishi Electric A800 Plus Series Function Manual page 48

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. Name
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
9
PID control action setting
Set the following parameters for PID control.
Pr. Name
128 PID action selection
131 PID upper limit
132 PID lower limit
133 PID action set point
∗1
Set the parameter according to the specification of the machine used.
Parameter setting procedure for dancer feedback speed control
Setting
0 (initial value)
1
2
3
4
5
6
7
9999
page
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
40 or 41
∗1
∗1
∗1
DANCER FEEDBACK SPEED CONTROL
Input method
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 164)
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 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 165)
∗2
FR-A8AL single-phase pulse train input (PP, NP) (Refer to
page 164)
No function
43.)
Setting example 2
Setting by pulse train input through terminal JOG
(Pr.362 = "1")
Actual line speed
6553.4
Pr.279
(Maximum line speed)
Pr.281
(0 m/min)
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
Remarks
40: Dancer feedback speed control (reverse action)
41: Dancer feedback speed control (forward action)
Set the value (0.1% increment) for outputting the PID upper limit
(FUP) signal.
Set the value (0.1% increment) for outputting the PID lower limit
(FDN) signal.
Set the set point (0.01% increment) for the dancer roll control.
page
∗1
(Refer to
∗2
∗2
∗2
Pr.282 Pr.283
(0 kpps) (Maximum number
of pulses)
Number of input pulses
47
3