KRB-5426c
-34-
Table 11-1 Setting items and display details of setting item screens (S-C-2
①
to ST-H2-1)
(unbalanced current protection setting)
External output
setting screen
number
Setting items and display details
Selection
Setting
range
Remarks
Display
Item
S-C-2
①
Setting item selection switching
-
-
This screen is displayed when you press the [D] arrow
button once at the S-C-2 screen (shown on page 31).
ST-G-1
MODE
Unbalanced current
protection setting
(LVL1) mode setting
TRIP/ALARM/OFF
-
This screen allows you to select a desired mode by
using the [U] or [D] arrow button after pressing the [R]
arrow button once.
ST-G2-1
Unbalanced current protection
setting (LVL1)
External output setting item
selection/setting
-
-
Use the [U] or [D] arrow button to select the item to be
set, and press the [R] arrow button and then change the
output settings.
The setting procedure is the same as that described on
page 20.
RY1
External output
setting
ON/OFF
-
This setting item specifies whether to output to
terminal number 1.
RY2
ON/OFF
-
This setting item specifies whether to output to
terminal number 4.
RY3
ON/OFF
-
This setting item specifies whether to output to
terminal number 7.
RY4
ON/OFF
-
This setting item specifies whether to output to
terminal number 10.
ST-H-1
Unbalanced current protection
setting (LVL2)
Mode/current value/operating time
setting
-
-
This screen is displayed when you press the [D] arrow
button with “RY4” selected on the ST-G2-1 screen.
The figure on the previous page shows the state in
which trip pickup current value setting (U/B L2
CURR) is selected. You can use the [U] or [D] arrow
button to select other items.
MODE
Unbalanced current
protection setting
(LVL2) mode setting
TRIP/ALARM/OFF
-
You can use the [U] or [D] arrow button to select a
desired mode.
U/B L2
CURR
Trip pickup current
value setting
-
(0.20-0.4
0)xIn
Use the [U] or [D] arrow button to increment or
decrement the value to be set.
U/B L2
TIME
Operating time setting
-
(5-30)s
Use the [U] or [D] arrow button to increment or
decrement the value to be set.
ST-H2-1
Unbalanced current protection
setting (LVL2)
External output setting item
selection/setting
-
-
This screen is displayed when you press the [D] arrow
button with “U/B L2 TIME” selected on the ST-H-1
screen.
Use the [U] or [D] arrow button to select the item to be
set, and press the [R] arrow button and then change the
output settings.
The setting procedure is the same as that described on
page 20.
RY1
External output
setting
ON/OFF
-
This setting item specifies whether to output to
terminal number 1.
RY2
ON/OFF
-
This setting item specifies whether to output to
terminal number 4.
RY3
ON/OFF
-
This setting item specifies whether to output to
terminal number 7.
RY4
ON/OFF
-
This setting item specifies whether to output to
terminal number 10.
