6AG1 321-1CH20-2AA0 (6AG13211CH202AA0) SIEMENS SIPLUS S7-300 SM321

6AG1 321-1CH20-2AA0 (6AG13211CH202AA0) SIEMENS SIPLUS S7-300 SM321

SIPLUS S7-300 SM321 -25 ... +60 DGR C EN50155 CONFORMITY BASED ON 6ES7321-1CH20-0AA0 

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.
top of page
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.