Yaskawa Sigma-5 User Manual: Design and Maintenance - Rotary Motors - Analog Voltage and Pulse Train Reference - Manual (Page 168)

5 Operation
5.6.2 Example of Operating with Internal Set Speeds
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5.6.2 Example of Operating with Internal Set Speeds
An operating example of speed control with the internal set speeds is as shown below.
This example combines speed control with the internal set speeds with the soft start function.
The shock that results when the speed is changed can be reduced by using the soft start function.
- SPEED1
Servomotor speed
+SPEED3
+SPEED2
+SPEED1
- SPEED2
- SPEED3
0
OFF ON
Stop
/P-CL (/SPD-A)
/N-CL (/SPD-B)
/P-CON( /SPD-D)
Stop
Stop
OFF OFF OFF OFF
OFF
OFF
OFF OFF OFF OFF
OFF ON ON ON ON
ON ON ON
ON ON ON ON
OFF OFF OFF
Acceleration/deceleration are
done for the soft start times set in
Pn305 and Pn306.
1st speed
1st speed
2nd speed
2nd speed
3rd speed
3rd speed
Analog