Addition type total counter

Model No.

DC-JA7-AW

DC-JA7-DW

100 to 240VAC(50/60Hz)

12 to 24VDC(Ripple 20% or less)

Fluctuation range

85 to 250VAC

12 to 24VDC±10%

Power consumption

1.2VA(when 240VAC)

0.7W(when 24VDC)

Front size

24×48mm

Number of digit

7 digits(8 digits with overflow display)

Display

7-segment LCD(LED backlight), height 9mm, width 2.95mm

Memory function

EEP-ROM(Re-writing 0.1 million times or more)

Counting speed

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)

Input signal

Contact and open-collector(flow current when short-circuited : approx. 4mA)
Impedance when ON(short-circuited) : 1kΩ or less
Impedance when OFF(opened) : 100kΩ or more

Ambient temperature/humidity

-10 to +50 degrees C(-25 to +55 degrees Cwhen stored), 35 to 85%RH

Insulation resistance

100MΩ or more(500VDC megger) between conducting terminal and uncovered non-charged metal

Withstand voltage

2000VAC/min. between conducting terminal and uncovered non-charged metal

Noise resistance

Square-wave noise by noise simulator(Rising 1nsec, width 1µsec)
Common mode 2kV

Static electricity

10kV but 8kV when malfunction

Vibration resistance

Double amplitude 4mm, 16.7Hz (Malfunction : Double amplitude 0.5mm, 10 to 55Hz), each 1 hour in X, Y and Z direction

Impact resistance

294m/s²( Malfunction : 98m/s²) each 3 time in X, Y and Z direction

Starting time when Power-ON

2sec or less

Protective structure

IP66(Only front panel : must be using rubber packing)

Case material

Polycarbonate

Weight

Approx. 70g

Attachment

Mounting hook, rubber packing