NSK EDD Megatorque Motor - Analog Input Operation

6. Operation
— 6-35 —
6.3.6.3. Analog Input Operation
 In the velocity control mode and torque control operation, the Motor rotational velocity and output torque
can be directly controlled by the analog input command input.
 Analog command voltage range is ± 10 [VDC]. Setting of the parameter AF enables offset tuning. For
details, refer to “6.3.6.4 Analog Command Input Offset.”
 The polarity of command voltage can be selected by the parameter AC for analog command input
selection. Refer to “Table 6-15: Analog input operation, rotational direction” for the setting regarding the
polarity and rotational direction of the command.
 The relationship between the command voltage, and the rotational velocity and output torque can be
changed by the parameter AG for analog command gain. Refer to “Fig 6-25: Command voltage, and
Motor velocity and output torque
(AC1 and DI0)” for command voltage and rotational velocity.
Table 6-15: Analog input operation, rotational direction
DI
AC
Command
voltage
Motor rotational
direction
0
1
+
CW
0
1
-
CCW
0
-1
+
CCW
0
-1
-
CW
1
1
+
CCW
1
1
-
CW
1
-1
+
CW
1
-1
-
CCW
Fig 6-25: Command voltage, and Motor velocity and output torque
(AC1 and DI0)
- 10 V
Relationship between command
voltage and rotational velocity
Relationship between command
voltage and output torque
+ 10 V
-10s
-1
10s
-1
AG = 0.5
AG = 1.0
AG = 2.0
Input
voltage
Rotational velocity
- 10 V
+ 10 V
100％
-100％
Output torque
Input
voltage
Input
voltage
！
Caution • The rotational velocity of the Motor is limited depending on the Motor type.
• When using the Motor with the maximum rotational velocity less than 10
[s
-1
], tune the parameter AG for analog command gain so that the
rotational velocity does not exceed the maximum rotational velocity.