
LCD Timer
LF4N
Thank you for purchasing Hanyoung Nux products. Please read the instruction
manual carefully before using this product, and use the product correctly.
Also, please keep this instruction manual where you can view it any time.
MD0305KE190430
INSTRUCTION MANUAL
▍
Safety information
DANGER
Indicates an imminently hazardous situation which, if not avoided, will result in death or serious injury
WARNING
Indicates a potentially hazardous situation which, if not avoided, could result in death or serious injury
CAUTION
Indicates a potentially hazardous situation which, if not avoided, may result in minor injury or property damage
Please read the safety information carefully before the use, and use the product correctly.
The alerts declared in the manual are classified into
Danger, Warning
and
Caution
according to their importance
• The input/output terminals are subject to electric shock
risk. Never let the input/output terminals come in contact
with your body or conductive substances.
DANGER
• Please make sure that the product specifications are the
same as you ordered.
• Please use the product in places where corrosive gases
(especially harmful gases, ammonia, etc.) and flammable
gases are not generated.
• Please use the product in places without liquids, oils,
chemicals, steam, dust, salt, iron, etc. (pollution degree 1 or 2).
• Please avoid places where large inductive interference,
static electricity,magnetic noise are generated.
• Please avoid places with heat accumulation caused by
direct sunlight, radiant heat, etc.
• When water enters, short circuit or fire may occur, so please
inspect the product carefully.
• Do not connect anything to the unused terminals.
• For DC types, please wire correctly, after checking the polarity
of the terminals.
• After checking polarity of terminal, connect wires to the right
position.
• When this product is connected to a panel, use a circuit
breaker or switch approved by IEC947-1 or IEC947-3.
• Install the circuit breaker or switch at near place for
convenient use.
• Write down on a label that the operation of circuit breaker or
switch disconnects the power since the devise is installed.
• For the continuous and safe use of this product, the periodic
maintenance is recommended.
• Some parts of this product have limited life span, and others
are changed by their usage.
• The warranty period of this product including parts is one year
if this product is properly used.
• When power is on, the preparation period of contact output
is required. In case of using signals of external interlock circuit,
use a delay Relay.
• Please read the safety information carefully before the use,
and use the product correctly.
• If there is a possibility that a malfunction or abnormality of
this product may lead to a serious accident, install an
appropriate protection circuit on the outside and plan to
prevent accidents.
• Please supply the rated power voltage, in order to prevent
product breakdowns or malfunctions.
• To prevent electric shocks and malfunctions, do not supply
power until the wiring is completed.
• Please disassemble the product after turning OFF the power.
• Any use of the product other than those specified by the
manufacturer may result in personal injury or property
damage.
• Please use this product after installing it to a panel,
because there is a risk of electric shock.
WARNING
CAUTION
▍Initial mode
LF4N-A, LF4N-D
LF4N-B, LF4N-C
UP/ DOWN
Up Mode
Up Mode
Operation mode
SIGNAL ON DELAY
Output
( A MODE)
POWER ON DELAY
Output
( A MODE Fix)
Time range
1s ~ 999s
1s ~ 999s
Model
Code
Content
LF4N-
□
LCD Timer
Options
A
Time limit 1c
START, RESET, INHIBIT
8 Pin socket
B
Time limit 1c, Instantaneous 1c
POWER ON START
C
Time limit 2c
D
Time limit 1c
START, RESET, INHIBIT
11 Pin socket
Model
LF4N-A
LF4N-D
LF4N-B
LF4N-C
Power voltage
24 - 240 VDC / AC 50-60 Hz
Display
LCD display (character height : 8㎜)
Voltage regulation
±10 % of power voltage
Power consumption
1.5 W (240 VDC), 2.5 VA (240 VAC 60 Hz)
2.1 W (240 VDC), 2.9 VA (240 VAC 60 Hz)
Resetting time
Max. 0.1 sec
Minimum
Signal Time
START, RESET,
INHIBIT
Min. 20 ㎳
-
Input Type Non voltage input
Impedance in a short circuit : Max. 1 ㏀
-
Residual voltage in a short circuit : Max. 0.7 V
Impedance in open : Min. 100 ㏀
Time error
Repeated error
In case of Power-on Start
(Max. ±0.01 % ±0.05 % sec)
In case of Signal-on Start
(Max. ±0.005 % ±0.03 % sec)
In case of Power-on Start
(Max. ±0.01 % ±0.05 % sec)
Set error
Voltage error
Temperature error
Control
output
Contact type
Time limit SPDT (1c)
Time limit SPDT(1c),
Instantaneous SPDT(1c) Time limit SPDT (2c)
Contact capacity
NO Contact: 250 VAC 5A resistive load, NC Contact: 250 VAC 2A resistive load.
Insulation resistance
Min. 100 ㏁ (500 VDC Mega base on, Between current-carrying terminal and exposed
non-current carrying metal parts)
Dielectric strength
Dielectric strength 2000 VAC 50 / 60 Hz for 1 min (Between current-carrying terminal and
exposed non-current carrying metal parts)
Noise immunity
Square wave noise due to the noise simulator (Pulse gap = 1μs),
±2 kV(within each operating power terminal)
Vibration Vibration resistance
10 - 55 ㎐ (For 1min) double amplitude 0.75 ㎜ X, Y, Z each direction 1hour Malfunction
Malfunction
10 - 55 ㎐ (For 1 min) double amplitude 0.5 ㎜ X, Y, Z each direction 10 minutes Shock resistance
Shock
Shock resistance
300
㎨,
3 times X, Y, Z each direction
Malfunction
100
㎨,
3 times X, Y, Z each direction
Life
expectancy
Mechanical
Over 1,000 million (Open & Short frequency : 180 / min)
Electrical
Over 10 million (250 V a.c 3 A load Resistance)
Ambient temperature
-10 ~ 55 ℃ (No condensation)
Storage temperature
-20 ~ 65 ℃ (No condensation)
Ambient humidity
35 ~ 85 %R.H.
Weight(g)
80
86
82
▍Suffix code
▍Specification
※ t : Set time, t - a : Within set time
48.0
60.2
15.3
45.0
60.0
»
45
+0.6
-0
45
+0.6
-0
60.0
»
6.0
48.0
▍Part names and functions
▍Connection diagrams
● Front panel
48.0
60.2
15.3
45.0
60.0
»
45
+0.6
-0
45
+0.6
-0
60.0
»
6.0
48.0
Time process status
Inhibit status
Reset status
Output-on status
Elapsed time
h - hour
m - minute
s - second
Elapsed time
with Bar graph
Selection of Time range
Selection of operation mode
Time setting (001 ~ 999)
● Selection of operation mode
• To select operation mode, please push dip switch in the left
side of front panel.
• LF4N has 10 kinds of operation modes and selected mode is
displayed in front of panel as like A, B, C, D, E, F, G, H, I, J.
Display window of
operation mode
Mode
Function of operation
A
SIGNAL ON- DELAY
B
FLICKER ON START
C
SIGNAL ON/OFF DELAY
D
SIGNAL OFF DELAY
E
INTERVAL
F
ONE SHOT & FLICKER
G
INTEGRATION
H
INTERVAL DELAY
I
FLICKER ONE-SHOT
J
POWER ON-START
● Time setup
48.0
60.2
15.3
45.0
60.0
»
45
+0.6
-0
45
+0.6
-0
60.0
»
6.0
48.0
Dip switches for time
setup (001 ~ 009)
After 99.9 seconds
● Selection of time unit
• To select time unit, please push dip switch in the right side
of front panel.
• LF4N has 10 kinds of time units and selected time unit is
displayed in front of panel as like 0.01s, 0.1s, s, 0.1m, m,
0.1h, h, 10 h, S, M.
48.0
60.2
15.3
45.0
60.0
»
45
+0.6
-0
45
+0.6
-0
60.0
»
6.0
48.0
Display window
for the time unit
Time unit
Time range
.01 s
0.01 s ~ 9.99 s
0.1 s
0.1 s ~ 99.9 s
s
1 s ~ 999 s
0.1 m
0.1 m ~ 99.9 m
m
1 m ~ 999 m
0.1 h
0.1 h ~ 99.9 h
h
1 h ~ 999 h
10 h
10 h ~ 9990 h
S
0 m 01 s ~ 9 m 59 s
M
0 h 01 m ~ 9 h 59 m
▍UP/DOWN mode
According to Up/Down mode, output operates with Up
mode or Down mode.
① Open case.
② Select Up / Down mode by jumper switch.
UP mode(Initial mode)
DOWN mode
▍Operation mode
A mode : SIGNAL ON-DELAY
B mode : FLICKER ON START
E mode : INTERVAL MODE
F mode : ONE-SHOT & FLICKER
G mode : INTEGRATION
H mode : INTERVAL DELAY
.
I mode : FLICKER-ONE SHOT
J mode : POWER ON START
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
Power
Start
Reset
Time limit contact NO
Process time (UP)
Process time (DOWN)
Output display
② LF4N-B (Time limit 1c, Instantaneous 1c)
③ LF4N-C (Time limit 2c)
① LF4N-A, LF4N-D (Time limit 1c)
※ t : Set time, Rt : Resetting time (Over 100 ms)
Power
Time limit contact NC
Time limit contact NO
Instantaneous Contact NC
Instantaneous Contact NO
Power
Time limit contact NC
Time limit contact NO
▍Dimensions
[Unit : mm]
48.0
60.2
15.3
45.0
More than 60
45
+0.6
-0
45
+0.6
-0
Mor
e than 60
6.0
48.0
48.0
60.2
15.3
45.0
More than 60
45
+0.6
-0
45
+0.6
-0
Mor
e than 60
6.0
48.0
48.0
60.2
15.3
45.0
More than 60
45
+0.6
-0
45
+0.6
-0
Mor
e than 60
6.0
48.0
▍Case open
Please turn off power when you open case.
① Please widen the lock of product with
driver or tweezers
② Push it toward the front panel
A mode : POWER ON DELAY
A mode : POWER ON DELAY
■ LF4N-A
■ LF4N-B
■ LF4N-C
■ LF4N-D
①
②
①
FRONT
FRONT
BACK
BACK
FRONT
FRONT
BACK
BACK
• When the INHIBIT signal is applied, the time process is stopped (Hold).
• When the RESET signal is applied, the display value and output are initialized.
C mode : SIGNAL ON/OFF DELAY
D mode : SIGNAL OFF DELAY
28, Gilpa-ro 71beon-gil, Michuhol-gu,
Incheon, Korea TEL : +82-32-876-4697
http://www.hynux.com
HANYOUNGNUX CO.,LTD
Jl. Jangari RT.003/002 Hegarmanah Sukaluyu
Cianjur Jawa Barat Indonesia 43284
TEL : +62-21-5060-7210
PT. HANYOUNG ELECTRONIC INDONESIA