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
