KEYENCERC2-21K72-mm□ 5-digit 7-segment LED, One-stage Preset, AC Power SupplySpecifications:ModelRC2-21KOperation methodAddition, subtraction, addition and subtractionOperation modeOvercount, auto-res
KEYENCE
RC2-21K
72-mm□ 5-digit 7-segment LED, One-stage Preset, AC Power Supply
Specifications:
Model | RC2-21K | |
Operation method | Addition, subtraction, addition and subtraction | |
Operation mode | Overcount, auto-reset, rotary, comparator | |
Return method | Manual, External, Automatic (auto-reset) | |
Display power | 7-segment LED (character height: 14 mm) | |
Number of digits | 5 (with zero-suppress function) -9999 to 99999*1 | |
Prescale function | A | 1 pulse → 1 to 99 counts |
B | 1 to 99999 pulses → 1 count | |
Power off memory time | Lithium battery (service life: Approx 10 years at 20°C) | |
Input | System | Individual, command, phase differential |
Mounting method | Flush (panel) mounting | |
External calibration input signal | Signal | Non-voltage input (contact or solid-state) (Count input, inhibit input, reset input) |
Highest counting speed | Contact input: 50 c/s. | |
Control output | One-shot output time | 0.01 s to 9.99 s (variable) |
Solid-state | Contact: 13 ms (50 c/s mode) | |
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 min. at 500 VDC megger (across terminal and housing) |
Noise resistance | Square-wave noise by noise simulator: 1 kV p-p, 1 µs (across power terminals) | |
Environmental resistance | Ambient temperature | 0 to +50 °C |
Relative humidity | 35 to 85 % RH (No condensation) | |
Withstand voltage | 500 VAC, for 1 minute (across external AC terminal) | |
Weight | Approx. 320 g | |