LCD Display Electronic Preset Counter
RC series
72-mm□ 5-digit 7-segment LED, One-stage Preset, AC Power Supply RC2-21
*Please note that accessories depicted in the image are for illustrative purposes only and may not be included with the product.
Specifications
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) | |||
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) | ||
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. | ||||
