E −
27
ENGLISH
ETR cover
Operating hole for resetting
Sealing hole
Setting the operation characteristics
1
Prepare a small flat tipped screwdriver.
2
Insert the flat tipped screwdriver into the opening of the
ETR (Electronic trip relay) cover. Then, lightly turn the
screwdriver to the upside as shown in Fig. 27-1, and the
ETR cover will open.
3
The following two types of switches are used. Operate
the switches in accordance with the following procedures.
(a) Adjustable in step
A rotary step switch. Do not stop turning the switch at
a point between steps. As for set in the between steps,
it is work at one of two adjacent. The setting is the
same in the zone between two continuous readings
on the heavy line. (Operating torque: 0.02 N·m or less)
(b) Pushbutton switch
A restorable pushbutton switch. Press the switch with
a force of 3N or less.
4
When any characteristic setting has been changed, check
the tripping characteristics using a field test device. A dedi-
cated field test device is available to check the character-
istics through the test terminal of ETR. As for the check-
ing procedures, see the instruction manual of the field test
device.
6 mm or less
0.8 mm or less
Side view of the flat tip
Fig. 27-1
Fig. 27-2
Test terminal
(a) Adjustable in step (b) Push button
RESET
button
RUN LED
(ETR)
ERR LED
TAL LED
< Setting procedure >
Note: Press the screwdriver in the direction of the arrow to open the cover.
Before setting, turn off the breaker
and the ETR switch then make sure
of no current conducting.
l i
(xlr)
16
12
10
8
6 4
2
INST
Do not
set
< Relay sealing >
Seal the ETR cover by using the sealing hole at the top of the ETR cover, if it is necessary.
Sealing hole
CAUTION
Fig. 27-3
When MCR (optional) is not provided, Ii
is set as shown below. Do not set the
switch in the “Do not set” range indicated
by the arrows. Set the switch on the INST
side. As for the functions of MCR, see
page 20.
Specifications for field test device Y-2005
Test item
Testable range
Outside dimension (mm)
Counter
Control voltage
Weight
LTD, STD, INST, GFR, PAL
1% to 2500%
230(W)
✕
120(H)
✕
290(D)
0.000 to 999.999s
100 – 240V AC 50 / 60Hz
4.5kg
Summary of Contents for AE-SW Series
Page 78: ...ӄཐଆ D 49 ...
Page 79: ...ӄཐଆ D 4 CHINESE ቲྲྀ ...