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Carrier - Carrier Comfort Network (CCN)  

System Architecture

Date Last Saved: 11/17/2005 11:57:15 AM

This section distinguishes between Operator Interfaces and Field Interfaces to the BAS. The Operator Interface refers to the main 'front-end' method for accessing and operating the BAS. The Field Interfaces typically access the BAS from the controller-level and have limited functionality, and may include HID, LDP, and ZBI as described below. This section describes the devices only; OI functionality is generally covered in the Software, while Field Interface functionality is detailed further in the individual Controllers
Operator Interfaces (OI)
Dedicated Operator Workstation (OWS)
Dedicated PC(s) with proprietary workstation software
PC running ComfortVIEW software
"Thin" Client Browser Internet Explorer or Netscape
"Thick" Client Browser Not available
Product Application(s): N.A.
Handheld Interface Devices (HID)
PDA-Based PDA with Java enabled Browser.
Proprietary Local Interface Device can be used as a handheld.
Local Display Panel (LDP) Local Interface Device (LID). Two-line, back-lit LCD w/ 8 function keys and 12 numeric keys. Can be hand-held, remote-mounted, or panel mounted. Password protected. Can be used to view/modify: Point configuration and algorithm Time and setpoint schedule
Zone Based Interfaces (ZBI)
Thermostat with communication port to access local controller/network All Carrier zone sensors have ports to access local controllers
Other thermostat types available (without communication ports)
Interface to BAS Networks Yes. ComfortVIEW provides several ways for IP connection to CCN: 1. ComfortVIEW server with Clients. Clients communicate to the sever via Netbios over IP. Clients have the ability to have communication to local RS-485 CCNs (Client with Comm). All Clients connected to the server can access all CCNs (whether the CCN is connected to the server or to a Client with Comm). 2. ComfortVIEW with CCN to Ethernet gateway. ComfortWORKS can communicate to CCNs over IP using the CCN to Ethernet Gateway. ComfortWORKS uses the PC's Ethernet port to connect to the Ethernet gateway. Communication protocol encapsulates CCN into IP packets. Can be used over Internet or Intranet. Requires no special routers or bridges. All Clients have complete access to all CCNs connected to the ComfortVIEW server.
Compatible with the building's IT network? No
Protocol(s) Proprietary over EIA-485
Cabling and Speeds UTP @ 38.4 kbps or 9.6 kbps (selectable)
Expansion Capability Each ComfortWORKS Server can control up to 40 (8 RS-485 connections and 32 CCN to Ethernet Gateways) CCNs Each CCN Bus can contain 239 elements (controllers or bridges); Each bridge can contain 239 elements
Additional Information
Peer-to-Peer or Polling? N.A.
Protocol(s) N.A.
Cabling and Speeds N.A.
Expansion Capability N.A.
Additional Information
Includes a listing of available Gateways, Routers and other devices that provide additional communications flexibility into and out of the BAS. Repeaters, bridges, standard modems and the like are typically not included here. Note: If in use by the BAS, the Internet/building IT Network is extremely open and non-proprietary. If a vendor uses the IT Network, CI devices such as IP routers and hubs can be purchased from third parties.
Model (Device) Application
Model (Device) TeLINK
Application Auto-dial gateway
Classification Modem
between
Primary network
and
External receiving devices
Additional Information Auto-dial interface between CCN proprietary networks and modem. In addition to allowing remote workstation access to the system, TeLINK will initiate calls out in response to alarms and obtain recent alarm information. TeLINK also allows two CCN systems to share limited information, and comes with Network Directory Services (NDS) software (see below for description).
Model (Device) Application
Model (Device) BACnet MODBUS Translator
Application Gateway to BACnet over Ethernet (ASHRAE Class 3 PICS).
Classification Gateway
between
CCN
and
BACNet
Additional Information It will support up to 900 points from up to 15 controllers. Includes Pre-programmed templates for most Carrier Factory Installed controllers.
Model (Device) Application
Model (Device) CCN to Ethernet
Application Device used to translate information from CCN primary network (EIA-485) to Ethernet (IP)
Classification Gateway
between
CCN
and
Ethernet
Additional Information Used to transport proprietary CCN communication via standard IP. Uses both Fixed IP and DHCP. Requires 10 BaseT Ethernet connection.
Model (Device) Application
Model (Device) Network Directory Services (NDS)/Bridge
Application NDS and Bridges are elements that provide CCN network management and diagnostics.
Classification Bridge
between
CCN
and
CCN
Additional Information NDS checks the network for time discrepancies, maintains a database of all addresses and equipment on the network, and performs network-wide communications and network diagnostics. The Bridge function allows an additional 239 controllers/devices to be added to the CCN.
Model (Device) Application
Model (Device) LON Translator
Application Converts a single CCN Controller to LON.
Classification Gateway
between
CCN
and
LON
Additional Information Supports 3 LON profiles: Rooftop, Chiller and Universal Controller.
Model (Device) Application
Model (Device) CCNWeb
Application Web Server for CCN.
Classification Gateway
between
CCN
and
HTTP/IP, JAVA
Additional Information Supports any size CCN. Includes plug-ins for reading and writing point data through HTML/JAVA. Uses the Nucleus Real Time Operating System.
Model (Device) Application
Model (Device) CarrierOne Web Server / Integrator
Application Can be used as Web interface to CCN. Can also be used as integrator to BACnet, LON, MODBUS, and others.
Classification Gateway
between
CCN
and
HTTP/IP, XML, JAVA, BACnet, LON, MODBUS
Additional Information Uses the Niagara Framework to create a common object model of protocols.