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LC2H Preset Counter

Rating/ Performance

Item Descriptions
Rating Rated operating voltage 24 V DC
Rated power consumption Max. 1.5 W
Rated control capacity 100 mA 30 V DC
Input mode Addition/Subtraction (selectable by front switch)
Max. counting speed 30 Hz/5 kHz (selectable by slide switch on side)
Counting input Min. input signal width: 16.7 ms at 30 Hz/0.1 ms at 5 kHz,
ON time : OFF time = 1 : 1
Reset input Min. input signal width: Min. 30 ms
Input signal Non-voltage input using contacts or open-collector connection
Input impedance; when shorted: Max. 1 kΩ, when open: Min. 100 kΩ
Residual voltage: Max. 2 V
Output mode Maintain output/hold count
Maintain output/over count
One shot/over count
One shot/recount
(Selectable by front switch)
Display method 7-segment LCD
(Switch between red and green for backlight, and between lit and flashing for count up.)
Digit --9999999 to 99999999 (--7 digits to +8 digits)
(0 to 99999999 for preset value)
Memory EEP-ROM (Overwriting times: 105 operations or more)
Contact arrangement 1 Form A (Open collector)
Electrical life (contact) 107 operations (at rated control voltage)
Electrical Allowable operating
voltage range
85 to 110% of rated operating voltage
Break down voltage
(Initial value)
Between input and output: 1,500 V AC, for 1 min.
Insulation resistance
(Initial value)
Between input and output: 100 MΩ (at 500 V DC)
Mechanical Functional
vibration resistance
110 to 55 Hz (1 cycle/min), Single amplitude: 0.15 mm (10 min. on 3 axes)
Destructive
vibration resistance
10 to 55 Hz (1 cycle/min), Single amplitude: 0.375 mm (1 hr. on 3 axes)
Functional
shock resistance
Min. 98 m/s2 (4 times on 3 axes)
Destructive
shock resistance
Min. 294 m/s2 (5 times on 3 axes)
Operating
conditions
Operation temperature --10 to 55°C/ +14 to +131°F (without frost or dew)
Storage temperature --25 to +65°C/ --13 to +149°F (without frost or dew)
Ambient humidity 30 to 85% RH (at 25°C/ 77°F, non-condensing)
Protective construction IP66 (front panel with mounting bracket and rubber gasket)
*The factory default preset value is set to 1000000.

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