Toshiba VF-A7 Welding System User Manual


 
F-71
6.29.14 Restricting or prohibiting key operation
 Panel operation prohibition
Setting
Every key operation, enabled  (Default setting)
Every key operation, prohibited
Ex.) to enable monitor display operation and
Panel operation(start/stop):
Monitor display operation enabled ...
Panel operation(start/stop) enabled ...
( ) ( ) 
Therefore, the number you should key in to enable these functions is .
[Parameter setting]
Title Function Adjustment range Default setting

Panel operation
prohibition
: Every key operation, inhibited
+: panel frequency setting enabled
+: Parameter Load enabled
+: Monitor display operation enabled
+: Panel operation(start/stop) enabled
(+: No function is assigned)
+: Emergency stop operation enabled
: normal mode(Every key operation enabled)

Note) The LED displays "" immediately after  is set at , but it returns to normal
standard mode after the inverter is reset or is locked to trip monitor mode if the inverter trips.
To prohibit the read or write of parameter, refer to 6.29.1.
Canceling methods
1) Temporary cancellation
Every key operation is enabled temporarily, until the power is turned off. (Turning off the power
disables every key operation again.)
In standard monitor display mode or trip monitor mode,
press the key twice while holding down the key
2) Permanent cancellation
[Canceling method in cases that parameters are not read/write-protected]
 is overridden permanently. Changing its setting causes the previous setting to be
overridden automatically in a mode where parameters are not read/write-protected.
[Canceling in cases that parameters are read/write-protected]
In standard monitor display mode or trip monitor mode,
press the key twice while holding down the key
and then change the setting of  to .
Note) "

" is displayed when

is called. Press the and keys to make
the "" blink, then press the Enter key to save the setting.
Function
This parameter can prohibit the operation of control panel keys to avoid operation errors.
Note 1) The setting of this parameter take effects as soon as it is saved.
Note 2) Once saved, the setting of this parameter cannot be overridden unless the
power is turned off or the inverter is reset after trip.
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