— 8-6 —
B
B
3
3
t
t
y
y
p
p
e
e
B
B
5
5
t
t
y
y
p
p
e
e
8. Glossary of Command and Parameter
2
2
3
3
t
t
y
y
p
p
e
e
2
2
5
5
t
t
y
y
p
p
e
e
AT: Automatic Tuning
Format : AT
l Executes the automatic tuning to set automatically the optimum servo parameters and
acceleration.
AX: Axis Select
Format : AX data
Data : 0 to 15
Shipping set : 0
Default : 0
l The AX command selects the one of the Driver Units in the daisy chain communication.
Selected Driver Unit sends a confirmation signal back to the RS-232C communication terminal.
l The confirmation message is “ACC. AXn” (n = selected Driver Unit number). The Driver Unit
of axis 0 is always selected when the power is turned on.
l The TS or ?AX command reports the setting. These command are only valid in the daisy chain
communication.
l If AX is input when the daisy chain communication is not active, an error message will be given
back.
l Also, the TS report does not include the AX setting. Inputting “?AX” will be an error.
！
Caution: Do not select any Driver Unit that is not connected. Otherwise, operation
may hang up. To return to the normal state, press the BS
key first,
then the number of a connected Driver Unit.
« AZ : Absolute Zero Position Set
Format : AZ
l If the AZ command is executed when the Motor is stationary at any position, the position is
adopted as the user absolute home position.
l In case of ESB B5 type Driver Unit, execution of the AZ command will automatically reset the
AO data (offset of position data).
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