6AG1 321-7BH01-2AB0 (6AG13217BH012AB0) SIEMENS SIPLUS S7-300 SM321

6AG1 321-7BH01-2AB0 (6AG13217BH012AB0) SIEMENS SIPLUS S7-300 SM321

SIPLUS S7-300 SM321 - 20-POLE -25 ... +70 DGR C WITH CONFORMAL COATING EN50155 CONFORMITY BASED ON 6ES7321-7BH01-0AB0 . DIGITAL INPUT GALVANICALLY ISOLATED 16 DI; 24V DC, 1 X 20-POLE, PROCESS INTERRUPT, DIAGNOSTICS, FIT FOR ISOCHRONE MODE 

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.
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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.