VC72XX_HW.pdf – Hardware Documentation VC72XX Smart Cameras 1996-2016 Vision Components GmbH Ettlingen, Germany233.3.3 Electrical Specifications digital PLC IO InterfaceThe VC72XX series Smart Camera features digital inputs and outputs that allow for instance directinput of light barriers signals or the control of pneumatic valves.Please observe the current and voltage ratings specified in the following sections.The PLC circuit of all VC Professional and Optimum Smart Cameras is separated from the camerapower supply.VC72XXSeparation of PLC outputvoltagePLC output supply separated fromcamera power supply (common GND)PLC Input Voltage 12 V– 24 VPLC Input Current (max) 1.5 mA at 12V to 3.5mA @ 24VPLC Output Voltage 12 V to 24 V - supplied separately via pin1 and pin 9.PLC Output Current (max) 4 x 400 mAMax total all outputs: 1AMax Current for 1 Power /PLC connector pin500 mAPower failure detection -When using the PLC outputs connect both PLC output supply pins (pin 1 and pin 9) in order tolimit the connector pin current.The maximum combined current of all outputs should not exceed 1 A.!!