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          LCD Display Electronic Preset CounterRC series

          RC2-21

          72-mm□ 5-digit 7-segment LED, One-stage Preset, AC Power Supply

          SPECIFICATIONS

          Select Language

          Model

          RC2-21

          Type

          1-level preset counter/timer, DC type

          Operation method

          Addition, subtraction, addition and subtraction

          Operation mode

          Overcount, auto reset, rotary, range distinction

          Return method

          Manual reset, external reset, automatic reset

          Display power

          7-segment LED (character height: 14 mm)

          Number of digits

          5-digit display (zero suppression method), -9,999 to 99,999*1

          Prescale function

          A

          1 to 99 is counted per pulse input

          B

          1 is counted per 1 to 99,999 pulse inputs

          Power off memory time

          Approx 10 years (at 20°C 68°F)

          Mounting method

          Panel mount (embedding)

          Input

          System

          Separate, instruction, phase difference

          External calibration input signal

          Signal

          No-voltage input (with contacts, without contacts [count input, inhibit input, reset input])

          Highest counting speed

          With contacts: 50 Hz, without contacts: 500 Hz, 5 kHz, 50 kHz (switchable; 1:1 ON:OFF ratio)

          Input signal

          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)

          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)

          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)

          DC output

          12 VDC ± 10%, 100 mA maximum

          Rating

          Power voltage

          100 to 240 VAC ±10 %, 50/60 Hz

          Power consumption

          12VA or less

          Environmental resistance

          Insulation resistance

          100 MΩ or more (tested with a 500 VDC megger) between all the AC external terminals and the case

          Noise resistance

          Square wave noise generated by a noise simulator, between the power supply terminals, 1 kV for 1 µs

          Environmental resistance

          Ambient temperature

          0 to +50 °C 32 to 122 °F

          Relative humidity

          35 to 85 % RH (No condensation)

          Withstand voltage

          500 VAC for 1 minute (between all the external terminals and the case)

          Vibration resistance

          10 to 55 Hz, Double amplitude 0.75 mm 0.03", 2 hours in each of the X, Y, and Z directions

          Shock resistance

          100 m/s2, 3 times in each of the X, Y, and Z directions

          Weight

          Approx. 320 g

          *1 Display uses the zero suppression method.

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