LCD Display Electronic Preset Counter

RC series

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This model has been discontinued.

48-mm□ 6-digit 7-segment LCD, One-stage Preset, AC Power Supply RC-12

RC-12 - 48-mm□ 6-digit 7-segment LCD, One-stage Preset, AC Power Supply





1-level preset counter, AC type*1

Function selection


Operation method

Addition, subtraction, addition and subtraction (phase difference)

Operation mode

Overcount, auto reset, range distinction

Return method

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

Display power

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

Number of digits

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


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])


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*2

Control output


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


Power voltage

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

Power consumption

6VA or less

Current consumption


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)


Approx. 230 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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