3
4
m
m
m
TRIP
PROG
COM
%
S
A
25
50
75
TEST
RESET
A
T(S)
I (A)
ZCT
REC
1
2
4
8
9
3
5
6
7
A
B
C
1
4
5
2
TRIP
TRIP
TRIP
TRIP
3
9
4
5
7
6
6
7
8
4
5
9
3
A
B
C
m
m
m
TRIP
PROG
COM
%
S
A
25
50
75
TEST
RESET
A
T(S)
I (A)
ZCT
REC
m
m
m
TRIP
PROG
COM
%
S
A
25
50
75
TEST
RESET
A
T(S)
I (A)
ZCT
REC
m
m
m
TRIP
PROG
COM
%
S
A
25
50
75
TEST
RESET
A
T(S)
I (A)
ZCT
REC
RESET
3: Display and Buttons Functions
3.1 LCD display descriptions
PROG Mode display
Show setting parameter and values in PROG mode
Leakage indication bar in '%' and 'TRIP'
When relay pick up, will flash
When relay Trips, will stay ON, and ON
TRIP LED: ON when the relay trip
ON: Relay Trip, Trip and Pre-Alarm contact close
Display will toggle between Trip record ( REC on)
and setting
Flashing: ZCT terminal detect open circuit ( ZCT on)
8
T(S) Time delay setting: range from 0.01 - 0.5sec, the display will show ms
The display show T(S), it indicates setting values, other display type will not show
The display show , it indicates Pre-alarm activated, other display type will not show
I(A) Pickup Current setting: range from 0.03 - 3A or 0.3 - 30A, mA will show if setting <1A
The display show I(A), it indicates setting values, other display type will not show
Real-time Leakage current: Press to toggle between % and A / mA
Activate the SCR function for Auto scrolling the two displays (% or mA)
REC: Record memory show on and , T(S) and I(A) is off
ZCT: Detect open circuit, Trip LED flashing
COM: RS485 enable, ON if it is communicating
RESET: Press to reset the relay
TEST: Press 2 time to Trip.
3.2 Display and buttons function description
Changing from setting display to record memory (REC on)
Record memory description (refer to 4.1)
Changing from real-time leakage current (%) to (A / mA)
In record memory: changing between the 4 memories
Enter into Program mode (refer to 4.1)
Test button
Press once and the display shows
and when the button is release.
Press again, the relay Trips (Trip and Pre-alarm contact close)
RESET button
Press once, Trip and Pre-Alarm contact open
Display shows
3.3 Detection and Tripping descriptions
Example of display during detection of fault current.
The symbol flashes during the delay time
Trip LED will not light up
Example of trip display screen (trip record and Setting value, display scrolling)
The Tripping record and Setting values display
will toggle in event of the relay trips
Trip LED will light up
and contact output
close
TRIP
TRIP
