Advantech BAS-3051BC - 16-ch DI BACNet MS/TP Remote I/O Module
BAS-3050BC/BAS-3051BC can serve as BACNet MS/TP remote I/O modules through an RS-485 network to be integrated with world class BACNet DDC Controllers such as Johnson Controls, Honeywell... etc.
24 VDC or 24 VAC input 3000 VDC isolation protection Supports 1 kHz counter input and 1 kHz frequency input (2 channels) BACNet MS/TP Server Supports Master and Slave mode
(photo of original for comparison)