Delta ASD-A3-0121, User Manual

Page: 184 / 603

ASDA-A3 Operation Mode
Revision December, 2017
6-33
6
6.6 Others
6.6.1 Applying the speed limit
The maximum speed in each mode (Position, Speed, Torque) is determined by the internal
parameter (P1.055). You use the same method for the Speed Limit and Speed commands. You
can use either the external analog voltage or the internal parameters (P1.009 – P1.011). Please
refer to Section 6.3.1 for descriptions.
The speed limit is applicable only in Torque mode (T) for controlling the motor’s maximum speed.
If you are using the external analog voltage in Torque mode, the DI signals are available and you
can set SPD0–SPD1 for the motor speed limit value (internal parameters). If not, you can use the
analog voltage input for the Speed Limit command. When you set P1.002 (disable / enable
speed limit function) to 1, you enable the Speed Limit function. See the following timing diagram:
SPD0 ~ 1 valid
SPD0 ~ 1 invalid
Speed limit function disabled
(P1.002)
Speed limit function enabled
(P1.002)
Command source selection of speed limit