User manual

Connect Tech Blue Heat/Net User Manual
Revision 0.17 91
Two-wire (1/2 duplex, “RS-485 mode”) Wiring
One device connected to Blue Heat/Net
Two devices connected to Blue Heat/Net
RS-485 Multi-drop Topology, Two-Wire and Four-Wire
When wiring multi-drop RS-485 networks, it is necessary to wire the devices in a “Daisy
Chain”, they must not be wired with a “Star” topology, see diagram.