Mitsubishi Electric MDS-B-SPJ2 Series Specification Manual page 102

Ac spindle drive unit
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(4) Output data Nos.
The No. of the data to be D/A output is set in SP253 and SP254.
The correlation between the output data and the data No. is shown in the following table.
Brackets [ ] indicate the conversion value when the output voltage is changed to 1V.
(Note that this is for a magnification of 1)
No.
(= parameter
Output data
setting value)
0 (normal)
Speedometer output Max. speed at 10V (Note 2)
2
Current command
3
Current feedback
4
Speed feedback
Position droop
6
(low-order)
8
Position F∆t
8
9
Position command
10
11
Feedback position
12
13
80
Control input 1
81
82
83
84
Control output 1
85
86
87
Test output sawtooth
125
wave
Test output
126
rectangular wave
127
Test output OV
(Note 1) The "%" of current commands and current feedback indicates 100% at the motor 30 min.
rated output.
(Note 2) The motor speed during speedometer 10V output can be changed with parameter "SP249".
Set the required speed (r/min). A 10V output at the setting speed will result.
(Note that when SP249 is set to 0, the speed follows parameter SP017 "Max. speed".)
6. Status Display and Parameter Setting
CH1
Actual data (value is equivalent to
100% when it equals 4096)
[ 0.625%/V ]
Actual data (value is equivalent to
100% when it equals 4096)
[ 0.625%/V ]
Actual data ( = r/min unit)
[ 25.6r/min/v ]
Interpolation unit (value is equivalent
to 360° when it equals 23040000)
(high-order)
[Low-order: 0.0004°/v,
(low-order
high-order: 26.2°/v]
Interpolation unit/NC communication
cycle
(high-order)
[Low-order: 0.0004°/v,
(low-order)
high-order: 26.2°/v]
Interpolation unit (value is equivalent
(high-order)
to 360° when it equals 23040000)
[Low-order: 0.0004°/v,
(low-order)
high-order: 26.2°/v]
Interpolation unit (value is equivalent
to 360° when it equals 23040000)
(high-order)
[Low-order: 0.0004°/v,
(low-order)
high-order: 26.2°/v]
2
Bit correspondence
3
4
2
Bit correspondence
3
4
0 ~ +10V
6 − 22
Unit
Output data
Load meter
output
(Note 1)
(Note 1)
CH2
Unit
120% load
at 10V
Same as for CH1

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