The Siemens S7-300 6ES7-321-1BH02-0AA0 DIGITAL INPUT SM 321 16DI. The simatic s7-300 digital input sm321 galvanically isolated 16 di / dc 24v 1 x 20 pin process interrupt diagnostics fit for isochrone mode.
Details of Siemens S7-300 6ES7-321-1BH02-0AA0 provided by its distributors:
![Siemens S7-300 6ES7 321 1BH02 0AA0](https://bdengineeringsolution.com/wp-content/uploads/2022/01/Siemens-S7-300-6ES7-321-1BH02-0AA0-400x400.jpg)