La description

Amplifier Unit, Main Unit, NPN
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 (No freezing)*1
Relative humidity 35 to 85 % RH (No condensation)
Material Main unit Polycarbonate
Case
Weight Approx. 120 g
*1 When extended, the ambient usage temperature varies according to the following conditions. Be sure to mount units on a DIN rail (attached to a metal plate) and ensure that the output current is 20 mA or less. When extended
''