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J-4

 

Specifications

 

Features

DIN W48×H24mm, Indication only, LCD counter

● Upgraded features

   Voltage input and backlight model, 

   subtraction and decimal point setting functions

● No additional power due to internal battery

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

● Screw terminal type(attaching terminal cover)

● LCD display

● IP66 protection structure

Input type

Backlight

Power supply

Size

Digit

Item

 

Ordering information

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(8digit)

LA

LCD Counter

Please read “Caution for your safety” in operation

manual before using.

Model

LA8N-BN

LA8N-BN-L

LA8N-BV

LA8N-BV-L

LA8N-BF

Digit

8digit(Count up, down: -9999999 to 99999999 / Count up mode: 0 to 99999999)

Digit size

W3.4 × H8.7mm

Display method

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

Operation method

Count up, down mode Count up mode

Count up, down mode Count up mode Count up mode

Power supply

Built-in battery

Battery life cycle

Approx. over 7 years at 20

Backlight power supply

-

24VDC±10%

-

24VDC±10%

-

Input method

No-voltage input

Voltage input

Free voltage input

Count input

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

UP/DOWN,

RESET input: 

Min. 20ms 

RESET input: 

Min. 20ms 

UP/DOWN,

RESET input: 

Min. 20ms 

RESET input: 

Min. 20ms 

RESET input: 

Min. 20ms 

Max. counting speed

1cps / 30cps / 1kcps

20cps

External set switch

SW1

1

, SW2

2

, SW3

3

SW1

1

, SW3

3

Insulation resistance

Min. 100MΩ(at 500VDC megger)

Dielectric strength

4

2,000VAC 60Hz for 1minute

Vibra-

tion

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

Enviro-

nment

Ambient 

temperature -10 to 55

, storage: -25 to 65

Ambient 

humidity

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

Protection

IP66(When 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 max. counting speed set switch.         

3. SW3 is the decimal point set switch.

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.       

Environment resistance is rated at no freezing or condensation.   

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

LA8N Series

A shaded (

) part is upgraded or added function.

LA

B

N

8

N -

- L

Upgrade

Summary of Contents for LA8N Series

Page 1: ... 0 2VAC 0 2 4VDC RESET input No voltage input Voltage input No voltage input Min signal width UP DOWN RESET input Min 20ms RESET input Min 20ms UP DOWN RESET input Min 20ms RESET input Min 20ms RESET input Min 20ms Max counting speed 1cps 30cps 1kcps 20cps External set switch SW1 1 SW2 2 SW3 3 SW1 1 SW3 3 Insulation resistance Min 100MΩ at 500VDC megger Dielectric strength 4 2 000VAC 60Hz for 1min...

Page 2: ...INPUT RESET UP DOWN 1 2 3 4 5 RESET 24VDC BACKLIGHT SIGNAL INPUT 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 1 2 3 4 5 6 240VDC SIGNAL INPUT RESET 24 240VAC 50 60Hz Compact LCD Counter Connections Bracket Panel cut out 48 24 36 Min 37 Min 55 45 0 6 0 22 2 0 3 0 22 54 4 Dimensions unit mm Solid state input Contact input When power is applied...

Page 3: ... 240VDC 24 240VAC Main circuit Set switch 1 Front panel Enable Disable 2 Front panel 1cps 30cps 1kcps 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 max counting speed Factory default 1cps Free voltage input type 20cps is fixed 1 2 3V 560 4 5 30VDC SIG INPUT RESET V 12 24VDC OUT 0V Sensor 20 4 7 Counter Main ...

Page 4: ...0 1 2 1 0 1 2 1 0 1 L H L H SIGNAL INPUT UP DOWN Counting value Voltage input No voltage input Free voltage input H 4 5 30VDC Short 24 240VAC 6 240VDC L 0 2VDC Open 0 2VAC 0 2 4VDC Change SW3 setting after removing the case Supply RESET signal front panel or terminal RESET after setting SW2 SW3 during operation SW3 is a switch for decimal point position Factory default No decimal point LITHUM BA 3...

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