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K-8

LE8N Series

 Specifications

 Ordering information

 Features

DIN W48×H24mm, Indication only, LCD timer(hour meter)

Input type

Backlight

Power supply

Size

Digit

Item

N

No-voltage(Small signal) input

V

Voltage input

F

Free voltage input

No mark None
L

Backlight function

B

Internal lithium battery

N

DIN W48×H24

mm

8

99999999(8 digit)

LE

LCD Timer

Model

LE8N-BN

LE8N-BN-L

LE8N-BV

LE8N-BV-L

LA8N-BF

Digit

8 digit(0 to 99999999)

Digit size

W3.4 × H8.7mm

Display method

LCD Zero Blanking type(character height size: 8.7mm)

Operation method

Count up

Power supply

Built-in battery

Battery life cycle

Approx. over 10 years at 20

Backlight power supply

-

24VDC±10%

-

24VDC±10%

-

Input method

No-voltage input

Voltage input

Free voltage input

Count input(Counter)

Residual voltage: Max. 0.5VDC

Short-circuit impedance: Max. 10kΩ

Open-circuit impedance: Min. 750kΩ

"H" level voltage: 4.5-30VDC

"L" level voltage: 0-2VDC

"H" level voltage: 

 24-240VAC/6-240VDC

"L" level voltage: 0-2VAC/0-2.4VDC

RESET input

No-voltage input

Voltage input

No-voltage input

Min. signal width

SIGNAL INPUT, RESET input: Min. 20ms 

Time specification(TS1)

999(5(59

(h.m.s), 

9999(5(9

(h.m), 

99999(59

(h.m)

Time specification(TS2)

999(2#59

(d.h.m), 

9999D2#9

(d.h), 

99999999

(s)

Time specification(TS3)

9999;5(9

(h.m), 

99999;59

(h.m), 

99999(9;

(h)

Time error

±0.01%(time error, temperature error)

External set switch

SW1

1

, SW2

2

, SW3

3

Insulation resistance

Min. 100MΩ(at 500VDC megger)

Dielectric strength

4

2,000VAC 60Hz for 1minute

Vibration

Mechanical 0.75mm amplitude at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 1 hour

Malfunction 0.3mm amplitude at frequency of 10 to 55Hz(for 1 min.) in each of X, Y, Z directions for 10 minutes

Shock

Mechanical 300m/s

2

(approx. 30G) in each of X, Y, Z directions for 3 times

Malfunction 100m/s

2

(approx. 10G) in each of X, Y, Z directions for 3 times

Environment

Ambient 

temperature -10 to 55

, storage: -25 to 65

Ambient 

humidity

35 to 85%RH, storage: 35 to 85%RH

Protection

IP66(using waterproof rubber for front panel)

Accessory

Mounting bracket, Rubber waterproof ring

Approval

Weight

5

Approx. 96g(approx. 50g)        

1: SW1 is the front panel RESET key enable/disable set switch.         

2: SW2 is the time range set switch.            

3: SW3 is available to select time specification TS1, TS2, or TS3. 

4: No-voltage input, voltage input: between terminals and the case / Free voltage input: between the free voltage input 

terminal and the RESET input terminal, between terminals and the case

5: This weight is with packaging and the weight in parentheses is only unit weight.

Environment resistance is rated at no freezing or condensation.     

● Upgraded features

   Voltage input and backlight model, time specifications

● No additional power due to internal battery

● Signal input method: No-voltage input, voltage input, free voltage input

● Screw terminal type(attaching terminal cover)

● LCD display

● IP66 protection structure

Shaded (

) parts are upgraded or added function.

LE

B

N

8

N -

- L

Please read “Caution for your safety” in operation 

manual before using.

Summary of Contents for LA8N-BF

Page 1: ...VDC megger Dielectric strength 4 2 000VAC 60Hz for 1minute Vibration Mechanical 0 75mm amplitude at frequency of 10 to 55Hz for 1 min in each of X Y Z directions for 1 hour Malfunction 0 3mm amplitude at frequency of 10 to 55Hz for 1 min in each of X Y Z directions for 10 minutes Shock Mechanical 300m s2 approx 30G in each of X Y Z directions for 3 times Malfunction 100m s2 approx 10G in each of X...

Page 2: ...de Use reliable contacts enough to flow 5 current Input type No backlight Backlight function No voltage input type 1 2 3 4 5 SIGNAL INPUT RESET 1 2 3 4 5 RESET 24VDC BACKLIGHT SIGNAL INPUT Voltage input type 1 2 3 4 5 4 5 30VDC SIGNAL INPUT RESET UP DOWN 1 2 3 4 5 SIGNAL INPUT RESET 4 5 30VDC 24VDC BACKLIGHT Free voltage input type 1 2 3 4 5 6 240VDC SIGNAL INPUT RESET 24 240VAC 50 60Hz Connection...

Page 3: ... 1 RESET AC type proximity 2 3 4 5 100 240VAC Example of wrong connection Example of correct connection SIGNAL INPUT RESET 1 2 3 4 5 100 240VAC Fig 2 Relay AC type proximity Input from AC type proximity sensor In case of free voltage input type do not connect AC proximity sensors instead of a switch as shown in the figure 1 It may cause malfunction due to sensor s leakage current Connect a relay a...

Page 4: ...hour 9999D2 9 hour min 99999 59 hour min sec 999 5 59 day hour min 999 2 59 hour min 9999 5 9 1 Time range is set as SW2 SW3 combination Set switch 1 Front panel Enable Disable 2 Front panel SW1 1 switch SW1 is a switch to Enable Disable the front panel RESET key Factory default Enable SW2 2 switch SW2 is a switch for setting time range Factory default 999 5 59 h m s 1 2 Refer to Time range table ...

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