Omron NJ501-1300, User Manual

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5-15
5 Motion Control Parameters
NJ-series CPU Unit Motion Control User’s Manual (W507)
5-2 Axis P
aram
eter
s
5
5-2-8 Ser
v
o
Dr
iv
e Settings
The settings of these parameters are enabled when the Count Mode is set to Rotary Mode. Set the
upper and lower limits of the ring counter.
Precautions for Correct Use Precautions for Correct Use
• If you set the Count Mode to Rotary Mode, make sure that the value for only cycle of the ring
counter converts to an integer in pulses. If the number of pulses for one cycle of the ring
counter is not an integer, position offset occurs because the decimal portion is truncated. The
command current position will also not be displayed correctly.
• If 0 is not included between the upper and lower limits of the ring counter, an error occurs
when the MC_MoveZeroPosition (High-speed Home) instruction is executed.
• When you perform absolute positioning with a MC_MoveAbsolute or MC_Move instruction,
make sure that the target position is within the range of the ring counter. An error occurs if the
target position is not within the range of the ring counter. If the
Direction input variable to the
instruction is set to No direction specified , you can set a target position that is not within the
range of the ring counter. If that occurs, relative positioning is performed using the difference
between the target position and the command current position as the target distance.
Set the type of encoder to use for feedback input. The setting of this parameter is disabled for a virtual
axis.
These parameters set the values for settings on the connected Servo Drive.
* The default range is all DINT integers. You can use the default range with OMRON G5-series Servo Drives.
Modulo Maximum Position and Modulo Minimum Position Setting
Values
Encoder Type
5-2-8 Servo Drive Settings
Parameter name Function Setting range
Default*
Modulo Maximum Posi-
tion Setting Value Set the modulo maximum position
setting value on the Servo Drive.
−
2
63
to 2
63
−
1
2,147,483,647
Modulo Minimum Position
Setting Value Set the modulo minimum position set-
ting value on the Servo Drive.
−
2
63
to 2
63
−
1
−
2,147,483,648