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9. Details of Command and Parameter
— 9-2 —
9.1.4. Inhibited Operations in USB Communication

In EDD MegaTerm, the commands shown below cannot be used under specific conditions.
Table 9-3: Commands that cannot be used under specific conditions
Command Meaning
MM is being executed in
EDD MegaTerm
Any command is being
executed in RS-232C
CH
Channel editing No Yes
PI
Control input editing No Yes
PO
Control output editing No Yes
AT
Auto Tuning No No
OP
Output Port Forced output No No
SI
System initialization
(only servo parameters)
No No
SI/SY
System initialization
(all parameters except for AO)
No No
SI/AL
System initialization
(all parameters)
No No
JG/PL
Jogging operation (plus direction) No No
JG/MI
Jogging operation (minus direction) No No
HS/LS
Home limit sensor mounting position
adjustment
No No
When a command is executed in the condition of “No”, an error message will be displayed.

Do not execute following operations in EDD MegaTerm.

Transferring to other screen when any command of Table 9-5 is being executed in the Terminal
screen.

Pressing the shutdown button when any command in Table 9-5 is being executed in the
Terminal editing screen, or disconnecting the USB cable.

The behavior of Driver Unit when conducting the above operations will be as follows.
Table 9-4: Behavior of Driver Unit when inhibited operations are conducted
Command Meaning
Transferring to other screen while
command is being executed
Disconnecting USB cable while
command is being executed
/RP
Repeated display Command cancel Command cancel
/AJ
Adjusting Command cancel Command cancel
/WW
Multi-monitor Command cancel Command cancel
CH
Channel editing Command cancel
Communication unavailable
(Rebooting of Driver Unit requiered)
PI
Control input editing Command cancel
Communication unavailable
(Rebooting of Driver Unit requiered)
PO
Control output editing Command cancel
Communication unavailable
(Rebooting of Driver Unit requiered)
AT
Auto tuning Command cancel
Communication unavailable
(Rebooting of Driver Unit requiered)