NSK EDD Megatorque Motor, User Manual, Page: 290 / 398

9. Details of Command and Parameter
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
P LO : Load Inertia

Sets the load moment of inertia of the Motor.

Refer to “5.3.1. Input of Load moment of Inertia” for details

Be sure to specify the load inertia to improve the follow-up capability to a motion command and the
settling time at the end of a positioning.
Category Parameter
Format
LO data
Data range
0.000 to 4 000.000
[kg
･
m
2
]
Shipping set 0.000

Change of the parameter LO clears the parameter SG (Servo gain) to zero.
P MA : Move Acceleration

Sets the acceleration for positioning control operation.

Refer to ”6.3. 1. Positioning Command.”
Category Parameter
Format
MA data
Data range 0.1 to 800.0 [s
-2
]
Shipping set 1.0
P MB : Move Deceleration

Sets the deceleration in positioning control operation.

Refer to ”6.3.1. Positioning Command.”
Category Parameter
Format
MB data
Data range 1 0.0
: Use the same value as the parameter MA.
Data range 2 0.1 to 800.0 [s
-2
]
Shipping set 0.0
P MD : Move Deceleration with Stop

The parameter MD sets the deceleration for a stop command caused by the input STP (Stop) or the
command MS (Motor stop).

Refer to “7.1.6. Stop: STP” for details.

When a stop command is inputted, the System compares the deceleration of current positioning operation
and the parameter MD and applies higher deceleration to stop the Motor faster.
Category Parameter
Format
MD data
Data range 1 0.0 : Apply the deceleration set to the operation currently being executed.
Data range 2
0.1 to 800.0 [s
-
2
]
Shipping set 0.0