Omron CJ1W CT021 140CPS22400 The Allen Bradley Rockwell Automation The Allen Bradley Rockwell Automation 1756 OB16E is a 12 24V DC digital output module Fire Pump Controllers Item CJ1W CT021 Unit type CJ series Special I O Unit General Specifications Conform to general specifications for CJ NJ series Ambient Operating Temperature 0 to 55 °C Ambient Storage Temperature 20 to 75 °C Ambient Operating Humidity 10% to 90% without condensation Internal Current Consumption 280 mA (at 5 V) Dimensions 31 × 90 × 65 mm (W × H × D) Weight 100 g Mounting Position CJ series CPU Rack or CJ series Expansion Rack *1 CIO words 2000 to 2959): *3