MH EL D Series User manual

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RTC
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Operation Manual
EL-xx D series
Mun Hean Singapore Pte Ltd
02/2020

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RESET
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AC/DC
85~265V
TRIP Alarm
AC/DC
85~265V
TRIP
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1: Display and Button Description
1.1 Front panel
LCD screen
Real time current (A / %), Setting, Records
Functions keys
Configuration, Screen switching
Trip LED
On: Relay trip
Flashing: ZCT open circuit
('ZCT' shown on screen)
TEST button
Press 2 times, TRIP and Pre-alarm
contact energise and Trip LED ON
( shown on screen)
RESET button
Press once to reset, TRIP LED OFF
( shown on screen)
1.2 Terminals
Power supply
RS 485 Communication
ZCT current input
TRIP contact
Pre-Alarm /
Remote reset contact
(Select one)
2: Size and Cut out
2.1 Size dimension, unit = mm
Front view
Side view Cut Out
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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
TRIPTRIP

3.4 Different display screen and example description
Input value display screen Trip record display screen (REC comes ON)
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3: Display and Buttons Functions
**Displayed only with RTC function
RTC value display
Leakage current and Setting value
Leakage current is constantly displayed
On the main page, press
to toggle between % and mA
as below
>1000% =
Pre-Alarm display
For setting, refer to
Display change after delay
When in trip status, it will not show
Latest Trip event
Trip cause by current
Fault current:
Real time current:
Trip cause by TEST button
2nd Last Trip event
Current when trip
Real time current:
%
>
Next
3rd Last Trip event
Trip cause by current
Fault current:
%
>
Real time current:
Next
4th Last Trip event
No Trip event record
Real time current:
Next Next
Real Time Clock (RTC)
E.g: 2019-11-08, 14:51:36
Date / Time Stamping:
Year
Date / Time Stamping:
Month and Day
Date / Time Stamping:
Hour and Minutes
Elapse tripping time
E.g: Interval between 2 trip event
1 day, 13hrs and 20mins.
Note: Relay off time not included
Elapse Time:
Year
Elapse Time:
Month and Day
Elapse Time:
Hour and Minutes
Auto scrolling of RTC
E.g: 2019-11-08, 10:38:20
Year and Month
Day and Hour
Minutes and Second
Memories record are
base on FIFO.
is the lastest record
is the oldest record
*Oldest record will deleted
if new record is capture.

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PROG
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PROG
PROG
PROG
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Alternate delay display setting
4. Setting and Buttons function
4.1 Setting menu
* 100 as master password
* Default password: 000
Wrong password, will show
display return to main page
* When in setting page, TEST button is disable
Password 0
≠
Password = 0
Setting Main Menu
T(S) Time Delay
Range: 0 ~ 0.5sec
I(A) Current Threshold
Range: 0.03 ~ 3.00A (03D)
0.5 ~ 30.0A (30D)
Pre-Alarm setting
Range: 5 ~ 100%
Time delay as T(S)
Note: Function disable in Reset IO
Pre-Alarm delay time (Page switching)
Range: no ~ 19sec
no : will not show
Frequency
Range: 50, 60Hz
Backlight saver (min)
Range : no ~ 99min
no: Backlight on constantly
Unit (% / mA) switching delay time
Range: no ~ 19sec
no: no switching
Password
Range: 000 ~ 999
Clear Records
Range: no, Yes
* Only show when RS485 is enable
RS485 Main Menu
Device Address
Range: 001 ~ 255
Buad rate
Range: 12, 24, 48, 96, 192, 384
Data Frame
Range: n82, o81, E81,n81
4.2 Buttons functions
Descriptions
Main Menu
Enter Sub-menu
Switching between Main Menu
Return to previous page
No effect
Reset
Sub-Menu
Enter to setting
Switching between Sub Menu
Return to Main Menu
No effect
Reset
Values Setting
Increment
Decrement
Shift Cursor
Enter and Save
Return to Sub Menu
No effect
Reset

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*Only show when RTC is enable
RTC Main Menu
Year
Range: 000 ~ 100
Display: 2000 ~ 2100
Month
Range: 01 ~ 12
Day
Range: 1 ~ 31
Hour
Range: 00 ~ 23
Minutes
Range: 00 ~ 59
Seconds
Range: 0 ~ 59
PROG
PROG
PROG
PROG
4.2 Buttons functions
Descriptions
Main Menu
Enter Sub-menu
Switching between Main Menu
Return to previous page
No effect
Reset
Sub-Menu
Enter to setting
Switching between Sub Menu
Return to Main Menu
No effect
Reset
Values Setting
Increment
Decrement
Shift Cursor
Enter and Save
Return to Sub Menu
No effect
Reset

11 12
Operation voltage range :
Voltage burden : 3.5VA
Input current : Zero - Phase Current Transformer
Sensitivity adjustment : EL-03D : 0.03~3.00A in step of 0.01A.
Delay time adjustment :
:AC 250V 5A.
Real-time leakage current : LCD backlight display. 6mm high, T(S),I(A) 4mm high.
Tripped Indicator : Red led (relay tripped).
Operation temperature range : 0 ~ 60 C.
Storage temperature range : -10 ~ 70 C.
Dielectric strength : AC 2KV, 60Hz, 1 minute,INPUT/OUTPUT/POWER/CASE.
Electrical Fast Transient : According to IEC 61000-4-4.
Withstanding impulse volatge : According to IEC 61000-4-5.
:
Connection : Plug-in terminal block.
Weight : About 0.2 kg (excluding ZCT).
Electromagnetic wave : Non-operation for ratio frequency at 130~180MHz and
400 ~ 500MHz (by walkie-talkie of 5W).
Volatge dips and short interruptions : According to IEC 61000-4-11.
5: Specifications
EL-30D : 0.3~30.0A in step of 0.1A
0.01 ~ 0.5sec (0-5sec upon request)
Protection Class IP54 (Front)
Output relay contact
Communication
AC 85 ~ 265V (Other voltages upon request)
Trip Event recording :4 events recording with Trip current, date and time stamping
Modbus-RTU RS485, upto 38.4kbps baud rate
:

13 14
Address (Hex) Contents Format Word Access Range & Unit
0000 0000H Integer 1R
0013 000DH Integer 1
0012 000CH Integer 1
0011 000BH Integer 1
0010 000AH Integer 1
0004 0004H Integer 1
0003 0003H Integer 1
0002 0002H I nteger 1
0001 0001H Integer 1
Measured value List：
Address (Hex) Contents Format Word Access Range & Uni t
0512 0200H 1 R
0524 020CH 1 R
0523 020BH 1 R
0522 020AH 1 R
0521 0209H 1 R
0520 0208H 1 R
0519 0207H 1 R
0518 0206H 1 R
0517 0205H 1 R
0516 0204H 1 R
mA
0514 0202H 1 R
0513 0201H 1 R
0009 0009H I nteger 1
0008 0008H Integer 1
0007 0007H Integer 1
0006 0006H Integer 1
0005 0005H I nteger 1
0515 0203H 1 R
Integer
mA
mA
mA
mA
1 R
0525 020DH
0019 0013H Integer 1
0018 0012H Integer 1
0017 0011H I nteger 1
0016 0010H Integer 1
0015 000FH Integer 1
0014 000EH Integer 1
0531 0213H 1 R
0530 0212H 1 R
0529 0211H 1 R
0528 0210H 1 R
0526 020EH 1 R
0527 020FH 1 R
0537 0219H 1 R
0536 0218H 1 R
0535 0217H 1 R
0534 0216H 1 R
0532 0214H 1 R
0533 0215H 1 R
0543 021FH 1 R
0542 021EH 1 R
0541 021DH 1 R
0540 021CH 1 R
0538 021AH 1 R
0539 021BH 1 R
0549 0225H 1 R
0548 0224H 1 R
0547 0223H 1 R
0546 0222H 1 R
0544 0220H 1 R
0545 0221H 1 R
6.9 Data Register address: (integer format)
Parameter List
T(S) Time Delay
I(A) Pick up Current
Pre-Alarm threshold
Pre-Alarm Display
Frequency
Backlight saver
% and A Interchanging
Password
Device Address
Baud Rate
Data Frame
Clear record
Reversed
Reset
RTC Year
RTC Month
RTC Date
RTC Hour
RTC Minutes
RTC Second
R
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0 - 50 (0.01Sec)
3 - 300 (0.01A)
5 - 100 (%)
0(no) - 19(sec)
0 - 1 (note)
0(no) - 99(min)
0(no) - 19(sec)
000 - 999
1 - 255
0 - 5 (note)
0 - 3 (note)
0 - 1 (1:Reset)
0 - 1 (1:Clear)
0 - 100 (note)
1 - 12 (note)
1 - 31 (note)
0 - 23 (note)
0 - 59 (note)
0 - 59 (note)
Note:
Frequency
Baud rate
Data Frame
RTC setting
0: 50Hz, 1: 60Hz
0: 1200, 1: 2400, 2: 4800, 3: 9600, 4: 19200, 5: 38400
0: n,8,2 ; 1: o,8,1 ; 2: e,8,1 ; 3: n,8,1
No effect if RTC is not enable
DescriptionsIndex
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
Integer
%
1: Pre-Alarm
1: Pickup exceeded
1: Trip
1: Abnormal
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note
note(+2000)
(+2000)
(+2000)
(+2000)
Leakage current (A)
Leakage current (%)
Pre-Alarm Status
Sensing Status
Tripping Status
ZCT Status
REC. 1 Trip Type
REC. 1 Trip Current
REC. 2 Trip Type
REC. 2 Trip Current
REC. 3 Trip Type
REC. 3 Trip Current
REC. 4 Trip Type
REC. 4 Trip Current
REC. 1 Trip Year
REC. 1 Trip Month
REC. 1 Trip Day
REC. 1 Trip Hour
REC. 1 Trip Minutes
REC. 1 Trip Sec
REC. 2 Trip Year
REC. 2 Trip Month
REC. 2 Trip Day
REC. 2 Trip Hour
REC. 2 Trip Minutes
REC. 2 Trip Sec
REC. 3 Trip Year
REC. 3 Trip Month
REC. 3 Trip Day
REC. 3 Trip Hour
REC. 3 Trip Minutes
REC. 3 Trip Sec
REC. 4 Trip Year
REC. 4 Trip Month
REC. 4 Trip Day
REC. 4 Trip Hour
REC. 4 Trip Minutes
REC. 4 Trip Sec
Note:
Tripping Type 0: No Rec, 1: Fault current Trip, 2: Test button Trip
Tripping time record RTC : Trip Time refer to the current time
Elapse time: Trip Time refer to the time different from the current time
DescriptionsIndex