Keyence LV-21A

DIGITAL 12-24V-DC LASER SENSOR

Specifications horizontal-scroll-state#setOverflowing scroll->horizontal-scroll-state#setScrolled" data-horizontal-scroll-state-target="container" data-horizontal-scroll-state-overflowing-class="is-overflowing" data-horizontal-scroll-state-has-scrolled-class="is-hasScrolled" data-scroll-to-coord-target="container"> 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 interferencepreventive 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 °FWhen 6 to 7 units: -10 to +45 °C 14 to 113 °FWhen 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. scroll-to-coord#run" data-x-coord="100"> series-header#doScroll"> Scroll