The O3-DIN-SRC is a fully programmable native BACnet® building controller. As a primary integration engine of the O3 system, the O3-DIN-SRC contains memory storage and external communication ports, as well as the control logic for the expansion modules. The O3-DIN-SRC can support up to 4 expansion modules.
The O3-DIN-SRC supports multiple communication methods, including BACnet/IP, BACnet over Ethernet, BACnet MS/TP and Delta LINKnet.
More Info, please download datasheet bellow: