Hardware manual PCD7.LRxx-PG5 room controller │ Document 27-653; version ENG07 │ 2019-03-21
Saia-Burgess Controls AG Communication
5
5-1
5 Communication interfaces
5.1 PGU (Micro-USB port) programming interface
5.2 Using the SBC S-Bus protocol
5.3 RS-485 interfaces (ports 0 + 1) in general
5.4 Modbus on PCD7.LRxx-P5 RS-485 interfaces
5.5 Sylk bus
point in this manual, for the sake of simplicity.