Hokuyo Electronic Counter - DC-JA
Features
• White LCD display(LED back-light)
• 7 digits(7-segment, zero-suppress), reset display, overflow display(8th digit can be displayed)
• Reset key-lock provides
• It is easy to change reset key-lock and counting speed with slide switch under the counter)
Hokuyo Electronic Counter - DC-JA
Specifications
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Kinds
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Addition type total counter
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Model No.
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DC-JA7-AW
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DC-JA7-DW
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DC-JA7-V
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Power source
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100 to 240VAC(50/60Hz)
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12 to 24VDC(Ripple 20% or less)
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Fluctuation range
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85 to 250VAC
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12 to 24VDC±10%
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Power consumption
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1.2VA(when 240VAC)
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0.7W(when 24VDC)
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Number of digit
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7 digits(8 digits with overflow display)
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Front size
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24×48mm
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Display
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7-segment LCD(LED back-light)
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7-segment reflective LCD
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height 9mm, width 2.95mm
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Memory function
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EEP-ROM(Re-writing 0.1 million times or more)
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Counting speed
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30Hz/1kHz changeover,
30Hz : contact, transistor, min. signal width 16.7msec(make ratio 1:1)
1kHz : Transistor, min. signal width 0.5msec(make ratio 1:1)
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Input signal
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Contact or open-collector
Impedance when ON(short-circuited): 1k ohm or less
Impedance when OFF(opened): 100k ohm or more
Flowing current when short-circuit: approx. 4mA
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Contact or open-collector
Impedance when ON(shortcircuit): 10k ohm or less
Impedance when OFF(opened): 1M ohm or more
Allowable residue voltage when ON: 0.5V or less
Flowing current when short-circuit: approx. 4µA
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Ambient temperature/humidity
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-10 to +50 degrees C(-25 to +55 degrees Cwhen stored), 35 to 85%RH
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Insulation resistance
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100MΩ or more(500VDC megger) between conducting terminal and uncovered non-charged metal
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Withstand voltage
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2000VAC/min. between conducting terminal and uncovered non-charged metal
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Noise resistance
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Square-wave noise by noise simulator(Rising 1nsec, width 1µsec)
Common mode 2kV
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Vibration resistance
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Double amplitude 4mm, 16.7Hz (Malfunction : Double amplitude 0.5mm, 10 to 55Hz), each 1 hour in X, Y and Z direction
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Impact resistance
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294m/s2( Malfunction : 98m/s2) each 3 time in X, Y and Z direction
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Starting time when Power-ON
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2sec or less
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Protective structure
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IP66(Only front panel : must be using rubber packing)
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Case material
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Polycarbonate
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Weight
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Approx. 70g
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Approx. 60g
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Accessory
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Mounting hook, rubber packings
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