Project Description
KEYENCE LV-21A in stock
| Model | LV-21A | |||
| Type | NPN output | |||
| Main unit/expansion unit | Main unit | |||
| Control output | NPN open-collector x 2 channels, 40 VDC max., max. 100 mA, residual voltage (1.0 V max.) | |||
| Response speed | FINE : 80 µs , TURBO : 500 µs , SUPER , TURBO : 4 ms | |||
| Number of interference preventive units |
FINE : None , TURBO : 2 units , SUPER : 4 units | |||
| Protection circuit | Reversed polarity protection, over-current protection, surge absorber | |||
| Unit expansion | Up to 7 additional expansion units can be installed (8 units including the main unit), | |||
| Rating | Power voltage | 12 to 24 VDC, Ripple (P-P) 10 % or less | ||
| Power consumption | 1.5 W max. (125 mA max. for 12 V, 62.5 mA max. for 24 V) | |||
| Environmental resistance | Ambient temperature | -10 to +55 °C 14 to 131 °F (No freezing) *1 | ||
| Relative humidity | 35 to 85 % RH (No condensation) | |||
| Material | Main unit | Polycarbonate | ||
| Case | ||||
| Weight | Approx. 120 g | |||
| *1 When several units are connected, the ambient temperature requirement varies depending on the total number of units connected. When 2 to 5 units: -10 to +50 °C 14 to 122 °F When 6 to 7 units: -10 to +45 °C 14 to 113 °F When connecting several units, be sure to mount the units to a metallic DIN rail. Make sure that the output current does not exceed 20 mA. |
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