NSK EDD Megatorque Motor - Direction of Position Scale

6. Operation
— 6-3 —
6.2.2. Direction of Position Scale
 You can reverse the sign of the position scale not to observe unpredicted operations when the Motor
mounting direction is reversed.
 CW and CCW are the direction when you look the Motor from the Motor output axis (rotor).
 The parameter DI (Direction inversion) specifies counting direction of the position scale.
 The relation between the DI data and the counting direction is shown in the “Table 6-3:
Parameter DI and counting direction”
Table 6-3: Parameter DI and counting direction
DI data
Setting
CW
CCW
Shipping set
0
Standard
Counting in plus
Counting in minus

1
Reversed
Counting in minus
Counting in plus
 When the direction of position scale reading is reversed, the position scale of the following functions is
reversed as well.
 All directions of positioning operation
 Directions of software travel limits
！
Caution : This manual expresses the plus direction for the count-up direction, the
minus direction for the count-down direction, and the rotational direction,
not by the CW or CCW direction which is seen from the Motor output axis
side. The plus and minus directions depend on the setting of the
parameter DI. So always be careful for the setting of the DI.
！
Caution : The plus and minus directions of hardware over travel limit and the phase
of position feedback signal output do not reverse even the position scale
direction is reversed.
 Input OTP: prevents the CW rotation of the Motor seen from the Motor output axis.
 Input OTM: prevents the CCW rotation of the Motor seen from the Motor output
axis.
 When counting the CCW direction as plus
 Input the parameter DI to reverse the position scale.
(The password is required.)
N
SP
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:/NSK ON
NSK ON
:DI1
:_
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