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6ES7 321-1FF01-0AA0 (6ES73211FF010AA0) SIEMENS DIGITAL INPUT SM 3216ES7 321-1FF01-0AA0 (6ES73211FF010AA0) SIEMENS DIGITAL INPUT SM 321SIMATIC S7-300, DIGITALEINGABESM 321, POTENTIALGETRENNT,8 DE, AC 120V/230V, 20-POLIGSIMATIC S7-300, DIGITAL INPUTSM 321, OPTICALLY ISOLATED,8 DI, 120V/230V AC, 20 PIN
S7-300 Digital modules
Overview
Description
Area of application
Description
Digital actuators and sensors can be connected to a SIMATIC S7-300 via digital modules. The extensive range of modules allows the most suitable signal module to be selected in each case.
Area of application
Digital input/output modules contain digital inputs/outputs for the automation system. Digital sensors and actuators can be connected to the automation system via these modules. Switches and 2-wire proximity switches (BEROs) can be connected to input modules, for example. Output modules are suitable for connection of solenoid valves, contactors, small motors, lamps and motor starters.
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