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11.
OPERATION
Note:
1
2
3
4
5
6
After turning ON the MRS terminal, if the setting for Pr.79
is
changed to any value other
than '7" in the PU operation mode, the MRS terminal functions as the ordinary MRS
terminal (mechanical reset terminal) instead
of
the edit enable signal terminal. Then the
operation mode is changed according to the new setting for Pr.79.
When mode changed is attempted between the external operation mode to the PU
operation mode with the MRS terminal
ON,
the mode change will not occur if the STF
or STR terminal is ON.
In the setting of Pr.79 = 7 with the MRS terminal
ON,
if the MRS terminal is turned OFF
while in the PU operation mode, the operation mode is changed to the external opera-
tion
mode
independent of the OWOFF status of the terminal (STF, STR). Therefore, if
the MRS terminal is turned OFF while either the STF or STR terminal
IS
ON,
the motor
is controlled in the external operation mode.
During the operation in the
PU operation mode, the ordinary MRS function does not
work.
When the mode is changed from the
PU operation mode to the external operation
mode forcibly, the parameter unit is internally reset once to secure the monitor screen.
If an alarm has occurred, the inverter can be reset by pressing the stop key in the PU
operation mode. Resetting of the inverter in the external operation mode is not possible.
Therefore, resetting the inverter always changes the mode to the PU operation mode.
-36-
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