Mitsubishi MELDAS MDS-C1 - Output Data Settings; Setting the Output Magnification

4. Servo Adjustment
4 - 3
4-1-2 Output data settings
No. Abbrev. Parameter name Explanation
SV061 DA1NO D/A output channel 1 data No. Input the No. of the data to be output to each D/A output channel.
SV062 DA2NO D/A output channel 2 data No.
No. Output data Original data unit
Output magnification
standard setting value
(SV063, SV064)
Output unit for standard
setting
Output
cycle
-1 D/A output not selected
For 2-axis drive unit (MDS-C1-V2). Set the parameters to another axis in the drive unit that is not D/A
output.
13 (2000r/min) 1000r/min/V 3.55ms
0
ch1: Speed feedback r/min
9 (3000r/min) 1500r/min/V 3.55ms
ch2: Current command Stall % 131 Stall 100%/V 3.55ms
1 Current command Stall % 131 Stall 100%/V 3.55ms
2 –
3 Current feedback Stall % 131 Stall 100%/V 3.55ms
4 –
5 –
6 Position droop NC display unit/2 328 (Display unit = 1µm) 10µm/0.5V 3.55ms
7 –
8 Feedrate (F∆T)
(NC disiplay unit/2)/
Communication cycle
55 (1µm, 3.5ms) 1000 (mm/min)/0.5V 3.55ms
9 –
10 Position command NC display unit/2 328 (Display unit = 1µm) 10µm/0.5V 3.55ms
11 –
12 Position feedback NC display unit/2 328 (Display unit = 1µm) 10µm/0.5V 3.55ms
13 –
14
Collision detection
estimated torque
Stall % 131 Stall 100%/V 3.55ms
15
Collision detection
disturbance torque
Stall % 131 Stall 100%/V 3.55ms
64
Current command
(high-speed)
Internal unit 8 (adjustments required) – 888µs
65
Current feedback
(high-speed)
Internal unit 8 (adjustments required) – 888µs
77
Estimated disturbance
torque
Internal unit 8 (adjustments required) – 888µs
125 Test output saw tooth wave 0V to 5V 0 (256) Cycle: 227.5ms 888µs
126 Test output oblong wave 0V to 5V 0 (256) Cycle 1.7ms 888µs
127 Test output 2.5V (data 0) 2.5V 0 (256) - 888µs
4-1-3 Setting the output magnification
Normally, set the standard setting value for the output scale (SV063, SV064). When "0" is set, the
magnification will be the same as "256".
DATA ×
SV063
256
×
5 [V]
256
(
8 bit
)
+ 2.5 [V] (Offset) = Output voltage [V]
(Example) To output current FB with stall 100%/V unit (SV061=3, SV063=131)
100 ×
131
256
×
5
256
+ 2.5 = 3.499 [V]
No. Abbrev. Parameter name Explanation Setting range
SV063 DA1MPY D/A output channel 1
output scale
SV064 DA2MPY D/A output channel 2
output scale
Set the output magnification with a 1/256 unit.
When "0" is set, the magnification will be the same as "256".
–32768 to 32767
(1/256-fold)