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:
