Toshiba Q9 Plus Bypass ASD Installation & Operation Manual page 290

6.29.12 Cumulative operation time alarm setting
f621 : Cumulative operation time alarm setting
• Function
[Parameter setting]
f621
"0.1" displayed on the monitor refers to 10 hours, and therefore "1.0" denotes 100 hours.
Ex.: 38.5 displayed on the monitor = 3850 (hours)
Monitor display of cumulative operation time alarm.
It can be confirmed in parts replacement alarm information of status monitor mode.
An example of display:
Signal output of cumulative operation time alarm
Assign the cumulative operation time alarm function to any output terminal.
6
Ex.: When assigning the cumulative operation alarm signal output function to the OUT terminal
f131
Setting value 57 is reverse signal.
The cumulative operation time until present time can be checked in status monitor mode.
(Refer to chapter 8)
The monitor value of cumulative operation time is reset to 0(zero) by setting typ=5 (cumulative
operation time clear).
(Refer to section 4.3.2)
6.29.13 Undervoltage trip
f627 : Undervoltage trip/alarm selection
• Function
f627=0: The inverter is stopped. However, it is not tripped (Failure signal FL not activated).
f627=1: Inverter is stopped. It is also tripped (Failure signal FL activated), only after detection of a voltage
Put out an alarm signal after a lapse of the cumulative operation time set with f621.
Title Function
Cumulative operation time
alarm setting

Title Function
Output terminal selection
2A (OUT)
This parameter is used for selecting the control mode when an undervoltage is detected. Trip
information is displayed as "up1".
The inverter is stopped when the voltage does not exceed about 60 % of its rating.
not exceeding about 60% of its rating.
Adjustment range
0.0-999.0 (100 hours)
Adjustment range
0-255 56: COT (Cumulative operation time alarm)
F-110
E6581611
Default setting
876.0
Setting