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          LCD Display Electronic Preset Counter

          RC series

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          Model

          RC2-21

          RC2-22

          Type

          1-level preset counter/timer, DC type

          Two-stage 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)

          Input

          System

          Separate, instruction, phase difference

          Mounting method

          Panel mount (embedding)

          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)

          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)

          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)

          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)

          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.

          Model

          RC-11

          RC-12

          RC-16

          Type

          1-level preset counter/timer, AC type

          1-level preset counter, AC type*1

          1-level preset counter, DC type

          Function selection

          Counter, timer (switchable by way of a switch)

          -

          Operation method

          Addition, subtraction, addition and subtraction (phase difference)

          Operation mode

          Counter: over count, auto reset, range distinction
          Timer: on delay, one-shot, flicker, range distinction

          Overcount, auto reset, range distinction

          Return method

          Manual reset, external reset, automatic reset (counter: in auto reset mode, timer: in flicker mode)

          Manual reset, external reset, automatic reset (in auto reset mode)

          Display power

          7-segment LCD (character height: 8.5 mm 0.33")

          7-segment LCD (character height: 8.5 mm 0.33")

          Number of digits

          6-digit display (zero suppression method),
          Counter: -99999 to 999999, timer: -9H59M59S to 99H59M59S/-99s999ms to 999s999ms (switchable)

          6-digit display (zero suppression method), -99,999 to 999,999

          Power off memory time

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

          Timer accuracy

          100 hours: ±0.01% ± 1 s (percentage of the time-up value), 1,000 seconds: ±0.01% ± 1 ms (percentage of the time-up value)

          -

          Mounting method

          Panel mount (embedding), surface mount, DIN rail mount

          Highest counting speed

          With contacts: 30 c/s, without contacts: 1 kc/s (1:1 ON:OFF ratio)

          Input signal

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

          Output

          Control output

          Relay output: 1c, 250 VAC, 2 A (resistive load)
          Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less

          Relay output: 1c, 250 VAC, 2 A (resistive load); maximum NPN open-collector output: 100 mA (40 V or less); residual voltage: 1 V or less*2

          Maximum NPN open-collector output: 100 mA (40 V or less), residual voltage: 1 V or less*2

          Control output

          Relay

          Relay output: 20 ms or less (when set to 30 c/s), 5 ms or less (when set to 1 kc/s);
          Open-collector output: 15 ms or less (when set to 30 c/s), 2 ms or less (when set to 1 kc/s)

          DC output

          12 VDC ± 10%, 50 mA maximum

          -

          Rating

          Power voltage

          100 to 120/200 to 240 VAC ±10 %, 50/60 Hz

          12 to 24 VDC ±10 %

          Power consumption

          6VA or less

          -

          Current consumption

          -

          45 mA or less

          Noise resistance

          Square wave noise generated by a noise simulator, between the power supply terminals, 1.2 kV for 1 µs

          Environmental resistance

          Ambient temperature

          -10 to +50 °C 14 to 122 °F (No freezing)

          Relative humidity

          35 to 85 % RH (No condensation)

          Weight

          Approx. 200 g

          Approx. 230 g

          Approx. 75 g

          *1 This product does not comply with EMC directive.
          *2 NPN output can easily be converted to PNP output by connecting the optional OP-5148 PNP Output Converter.

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