CCN Comfortlink

[kashka]

Just got a new project. 9 RTUs on the CCN. Need to convert protocol to BACnet to communicate with my network. Using UPC a gateway between networks.

My question is what protocol does the CCN use? i.e. Modbus, N2, or LonWorks.:confused:

[Ausccn]

CCN is CCN protocol (Carrier proprietary) There are single unit interfaces that can convert CCN to either BACnet/LON or Modbus but one convertor is required per unit. You would have to contact your local Carrier office for pricing etc.

[theintegrator]

The BACnet gateways for Carrier are pretty easy to use, but are fairly expensive (slightly north of $500 per unit). ALC makes the card, you can select modbus or BACnet ms/tp. It gives you 60 points, and 8 setpoints. There is an auto-map feature on the points, but there are lots of points in a ComfortLINK, so you might have to hire the local Carrier office or distributor to map the points you want. Read/write access is fairly limited (fan command, occ, setpoints) so be aware that you will not have a lot of things to play with. I have had issues powering the boards from the available power in the rooftop unit, and in most installs have had to add a separate power supply. Other options would be getting a CCI-403 (Tridium R2 jace with limited CCN driver), and spit the points out as BACnet.