Toshiba Q9 Plus ASD, Installation & Operation Manual

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E6581611
F-111
6
 =  : Inverter is stopped. However, it is not tripped (Failure signal FL not activated). The inverter stop
(Failure signal FL not activated.), only after detection of a voltage not exceeding 50% of its rating.
Be sure to connect the input AC reactor specified in section 10.4.
[Parameter setting]
Title Function Adjustment range Default setting
f627
Undervoltage trip/alarm
selection
0: Alarm only
(detection level 60% or less)
1: Tripping
(detection level 60% or less)
2: Alarm only
(detection level 50% or less, input
AC reactor required)
0
6.29.14 Analog input break detection
f633
: Analog input break detection level (VIC)
f644 : Operation selection of analog input break detection (VIC)
f649 : Fallback frequency
•
Function
The inverter will trip if the VIC value remains below the specified value for about 0.3 seconds. In such
a case, trip "
e-18 " and alarm " al05 " is displayed.
f633
=0: Disabled....Not detected.
f633
=1-100....The inverter will trip if the VIC input remains below the specified value for about 0.3 seconds.
[Parameter setting]
Title Function Adjustment range Default setting
f633
Analog input break detection level
(VIC) 0: Disabled
1-100%
0
f644 
Operation selection of analog input
break detection (VIC)
0: Tripping
1: Alarm only (Coast stop)
2: Alarm only (
f649
frequency)
3: Alarm only (Maintain running)
4: Alarm only (Deceleration stop)
0
f649  Fallback frequency
ll
-
ul
(Hz)
0.0
Note : The VIC input value may be judged earlier to be abnormal, depending on the degree of deviation of
the analog data detected.