If you have questions about our products, Fill out the form below and we will answer any questions you have. Tips: Fields marked with*are required. ABB DP820 3BSE013228R1 Pulse Input Module – S800 I/O Series Introduction The ABB DP820 3BSE013228R1 Pulse Input Module is a high-performance industrial I/O component designed for real-time pulse counting and frequency measurement in distributed automation systems. Part of the S800 I/O family, it del *Your Name: *Your Email: *Your Name: *Vdcode: Submit