7-4
7.4
Indications on the display
The items described in Table 7-4 can be displayed, through display switching procedures.
For the procedures, refer to each section shown in the “Reference page” column.
Table 7-4 Display item list
Display item
Description
Priority Category
Reference
page
Interlocking in
operation
It shows that the system is currently suspended
by an interlock signal received from an external
source.
The message appears only when the interlock
function is activated.
c
Basic
information
7-5
Alarm appearing
When the alarm is given, the alarm code is
displayed.
The message appears only when an alarm
occurs.
If multiple alarms are given at the same time, the
displayed codes are switched every two seconds.
d
Basic
information
7-5
Pressure inside the
discharge pipe
Pressure inside the discharge pipe is displayed.
Indication unit : Hydraulic head meter [m
䡡
H2O]
f
Basic
information
7-5
Number of start times
of the unit
Number of start times of the unit on the previous
day is displayed.
The counter starts when the power is turned on.
When the counter exceeds 999, it is scrolled for
display.
-
Basic
information
7-5
Power voltage
The power voltage detected in the inverter
section is displayed.
Indication unit: [V]
-
Basic
information
7-5
Alarm log
Up to past 5 alarm histories are displayed.
-
Basic
information
7-5
7-6
Operation frequency Operation frequency during automatic operation
for each pump is displayed.
Indication unit: Hertz [Hz] < one decimal place>
-
Pump
information
7-6
Preset frequency
Preset frequency for manual operation of each
pump is displayed..
Indication unit: Hertz [Hz] <increment of 1 Hz>
-
Pump
information
7-7
Operation current Operation current for each pump is displayed.
Unit of indication: Ampere [A] <one decimal
place>
-
Pump
information
7-6
7-7
Cumulative pump
operating time
The cumulative operating time of each pump is
dieplayed.
Unit of indication: Hours
When the time exceeds 999 hours, it is scrolled
for display.
-
Pump
information
7-6
Cumulative number of
pump start
The cumulative number of start of each pump is
displayed.
When the counter exceeds 999, it is scrolled for
display.
-
Pump
information
7-6
For the scrolling display, a dot “.” is inserted after the digit of thousands or millions.
