LCD Display Electronic Preset Counter
RC series
Specs LCD Display Electronic Preset Counter RC series
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Model |
RC2-21 |
RC2-22 |
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Image |
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Type |
1-level preset counter/timer, DC type |
Two-stage preset counter/timer, DC type |
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Operation method |
Addition, subtraction, addition and subtraction |
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Operation mode |
Overcount, auto reset, rotary, range distinction |
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Return method |
Manual reset, external reset, automatic reset |
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Display power |
7-segment LED (character height: 14 mm) |
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Number of digits |
5-digit display (zero suppression method), -9,999 to 99,999*1 |
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Prescale function |
A |
1 to 99 is counted per pulse input |
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B |
1 is counted per 1 to 99,999 pulse inputs |
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Power off memory time |
Approx 10 years (at 20°C 68°F) |
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Input |
System |
Separate, instruction, phase difference |
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Mounting method |
Panel mount (embedding) |
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External calibration input signal |
Signal |
No-voltage input (with contacts, without contacts [count input, inhibit input, reset input]) |
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Highest counting speed |
With contacts: 50 Hz, without contacts: 500 Hz, 5 kHz, 50 kHz (switchable; 1:1 ON:OFF ratio) |
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Input signal |
― |
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Output |
Control output |
Relay output: 1c, 250 VAC, 2 A (125 VA or less); maximum NPN open-collector output: 100 mA (40 V or less); residual voltage: 1 V or less; hold/one-shot (switchable) |
Relay output: 1c, 250 VAC, 2 A × 2 (125 VA or less); maximum NPN open-collector output: 100 mA (40 V or less); residual voltage: 1 V or less; hold/one-shot (switchable) |
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Control output |
One-shot output time |
Can be set to an arbitrary value between 0.01 and 9.99 seconds (in units of 0.01 seconds) |
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Relay |
Relay output: 13 ms (when set to 50 Hz), 4 ms (when set to 500 Hz), 4 ms (when set to 5 kHz), 4 ms (when set to 50 kHz) |
Open-collector output: 10 ms (when set to 50 Hz), 1 ms (when set to 500 Hz), 100 µs (when set to 5 kHz), 15 µs (when set to 50 kHz) |
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DC output |
12 VDC ± 10%, 100 mA maximum |
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Rating |
Power voltage |
100 to 240 VAC ±10 %, 50/60 Hz |
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Power consumption |
12VA or less |
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Environmental resistance |
Insulation resistance |
100 MΩ or more (tested with a 500 VDC megger) between all the AC external terminals and the case |
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Noise resistance |
Square wave noise generated by a noise simulator, between the power supply terminals, 1 kV for 1 µs |
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Environmental resistance |
Ambient temperature |
0 to +50 °C 32 to 122 °F |
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Relative humidity |
35 to 85 % RH (No condensation) |
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Withstand voltage |
500 VAC for 1 minute (between all the external terminals and the case) |
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Vibration resistance |
10 to 55 Hz, Double amplitude 0.75 mm 0.03", 2 hours in each of the X, Y, and Z directions |
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Shock resistance |
100 m/s2, 3 times in each of the X, Y, and Z directions |
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Weight |
Approx. 320 g |
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*1 Display uses the zero suppression method. |
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