KRB-5426c
-48-
Table 13 Setting items and display details of maintenance item screens (MA-A-1 to MA-C-2)
Screen number
Setting items and display details
Selection
Setting range
Remarks
MA-A-1
Maintenance items
-
-
See page 15.
The figure on the previous page shows the state in which the
relay activation test item (RELAY TEST) is selected.
MA-B-1
Protective function activation test item selection
THERMAL
Motor winding
temperature
protection activation
-
-
This screen allows you to conduct an activation test for the
motor winding temperature protection, overload protection,
or short-circuit protection function.
Use the [U] or [D] arrow button to switch the item to be
selected.
O/CL1-JAM
Overload protection
activation
-
-
O/CL2-SHORT
Short-circuit
protection activation
-
-
MA-B-2
Relay activation setting
TRIP/
NON TRIP
-
The figure on the previous page shows the state in which the
relay activation setting item (RELAY TEST) is selected for
the motor winding temperature protection function.
Use the [U] or [D] arrow button to switch the item to be set.
TRIP: When the relay is activated, both relay contact output
and the indicator on the operation panel turn on.
NON TRIP: When the relay is activated, only the indicator
on the operation panel turns on without turning on relay
contact output.
MA-B-3
Protective function activation test start
check
-
-
This screen is displayed when you press the ENTER button
after setting the above item.
MA-B2-1
Protective function activation test start
-
-
This screen is displayed when you press the ENTER button
again with the MA-B-3 screen displayed, and a protective
function activation test starts. When the test finishes, the
display returns to the MA-B-1 screen.
MA-C-1
Relay activation test item selection
RY1
Relay 1
-
-
This screen allows you to select the relay for which an
activation test is to be conducted.
(The figure on the previous page shows the state in which
Relay 1 (RY 1) is selected.)
Use the [U] or [D] arrow button to switch the item to be
selected.
RY2
Relay 2
RY3
Relay 3
RY4
Relay 4
MA-C-2
Relay activation test start check
-
-
This screen is displayed when you press the ENTER button
after selecting the relay for which an activation test is to be
conducted, in the above screen. Pressing the ENTER button
again starts a relay activation test. When the test finishes, the
display returns to the MA-C-1 screen.
Table 13-1 Setting items and display details of maintenance item screens (MA-A-1
①
to MA-D-2)
(historical data clearing)
Screen
number
Setting items and display details
Remarks
MA-A-1
①
Maintenance items
This screen is displayed when you press the [D] arrow button once at the MA-A-1
screen (shown on page 47).
The figure on the previous page shows the state in which the historical data clearing
item (DATA CLEAR) is selected.
MA-D-1
Historical data clearing item selection
Use the [U] or [D] arrow button to switch the item to be cleared. *1
TRIP HISTORY
Trip activation history
This setting item clears all trip activation histories up to the present time.
ALARM HISTORY
Alarm activation history
This setting item clears all alarm activation histories up to the present time.
EVENT HISTORY
Event occurrence history
This setting item clears all event occurrence histories (trip activation histories, alarm
activation histories, reset operation histories, and external input histories) up to the
present time.
MAX DATA
Maximum value record
This setting item clears all max phase current and max starting current values up to the
present time
MA-D-2
History clearing start check and history clearing start
This screen is displayed when you press the ENTER button after selecting the history
item to be cleared, in the above screen.
Pressing the ENTER button again clears the selected data.
*1: When you navigate from the MA-A-1
①
screen to the MA-D-1 screen, your password needs authentication. Refer to "7-4-2.
Navigating between password setting/authentication screens".
Table 13-2 Setting items and display details of maintenance item screens (MA-E-1 to MA-E-2)
(measurement data clearing)
Screen No.
Setting items and display details
Remarks
MA-E-1
Measurement data clearing item selection
THERMAL CAPACITY
Motor heat capacity
This setting item clears all motor heat capacity data up to the present time.
LAST START PERIOD
Startup time
This setting item clears all startup time data up to the present time.
LAST START MAX I
Starting current
This setting item clears all starting current data up to the present time.
TOTAL RUN TIME
Operating time
This setting item clears all operating time data up to the present time.
TOTAL NUMBER OF STARTS
Operation count
This setting item clears all operation count data up to the present time.
MA-E-2
Measurement data clearing start check and measurement
data clearing start
This screen is displayed when you press the ENTER button after selecting the
measurement data item to be cleared, in the above screen. Pressing the ENTER
button again clears the selected data.
