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3.4
Command unit selection function
Position command unit selection function
The position command unit selection function and degree unit are available on servo amplifiers with firmware version B6 or
later.
The mm unit and inch unit are available on servo amplifiers with firmware version B8 or later in the positioning mode (point
table method).
The position command unit selection function can be used to select the position data command unit (mm/inch/pulse/degree)
according to the system being used.
For information on which control mode can be used with the unit "degree", refer to "Selecting control mode (Modes of
operation)" in the User's Manual (Communication Function).
Command unit
mm
inch
pulse
degree
• In the cyclic synchronous mode, "degree" cannot be used as the unit of position data. Setting "degree" will
not allow switching to the cyclic synchronous mode.
Precautions
• To adjust the rotation amount/travel distance of the servo motor relative to the position data in the command unit, use the
electronic gear function.
Page 97 Electronic gear function
• The setting units of servo parameters vary depending on the command unit. For details, refer to the units of servo
parameters.
Explanation
This unit is suitable for line coordinate systems. (For example, X-Y tables)
This unit is suitable for rotating coordinate systems. (For example, index tables)
3 BASIC FUNCTION
3.4 Command unit selection function
3
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