WZU-485E-BAC - BACnet module for UH50../UC50... The BACnet communication module is intended and preconfigured for data transmission using the BACnet MS/TP (RS485) protocol. BACnet module, RS485 acc. to ASHRAE 135 and ISO 16484‐5, for UH50.. (FW 5.15 and higher) and UC50.. (every firmware version)
https://sieportal.siemens.com/no-no/products-services/detail/S55563-F162?tree=CatalogTree

