Mitsubishi Electronics MDS-D-SPJ3 ユーザーズマニュアル
3 - 20
3 Function Specifications
MITSUBISHI CNC
3-6 Diagnosis function
3-6-1 Monitor output function
<Servo drive unit>
Drive unit has a function to D/A output the various control data. The servo adjustment data required for
setting the servo parameters to match the machine can be D/A output. Measure using a high-speed
waveform recorder, oscilloscope, etc.
(1) D/A output specifications
When the output data is 0, the offset voltage is 2.5V. If there is an offset voltage, adjust the zero level
position in the measuring instrument side.
Item
Explanation
No. of channels
2ch
Output cycle
0.8ms (min. value)
Output precision
10bit
Output voltage range
0V to 2.5V (zero) to +5V
Output magnification setting
-32768 to 32767 (1/100-fold)
Output pin (CN9 connector)
MO1 = Pin 4, MO2 = Pin 14, LG = Pin 1,11
9
MO1
LG
2
5
1
6
4
3
10
7
8
8
CN9
19
MO2
LG
12
15
11
16
14
13
20
17
18
18
MDS-D-SVJ3
connector
Pin
Name
Pin
Name
+2.5 [V]
0 [V]
Speed FB
Current FB
+2.5 [V]
0 [V]
+5 [V]
+5 [V]
Example of D/A output waveform