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Raising BACnet ® to the Next Level . Our Approach to Building Automation. We believe all building automation devices including BACnet compliant devices should be accessible from an IP Infrastructure. . Building Automation is Embracing IP Networks. Building Automation Network: Hierarchy.
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Our Approach to Building Automation We believe all building automation devices including BACnet compliant devices should be accessible from an IP Infrastructure.
Building Automation Network: Hierarchy We see three layers plus the Internet. Sensors and actuators at the bottom, MS/TP and Modbus fieldbuses in the middle, and Ethernet at the top.
Our Strategy – Put Everything up on IP Raising communication up to Ethernet is key to our strategy Wireless would represent the next step PoE may become the preferred method when powering BAS devices in the field We produce automation products that attach to IPnetworks With structured wiring, the prominent cabling is CAT 5. Fieldbus wiring will become less attractive.
Internet Connectivity We can connect to the Internet with a Skorpion IP Router Four-port LAN-side switch WAN-side Ethernet port WAN-side DHCP client LAN-side DHCP server Port Address Translation Network Address Translation Port Forwarding Stateful Firewall PPPoE protocol for DSL Web page configuration A router is needed to view BAS Remote web pages from the Internet.
BAS Switch – Plug & Play Ethernet Switch Five 10/100 Mbps Ethernet ports Auto-negotiation and Auto-MDIX Intended for shallow panels 24 VAC/VDC powered DIN-rail or panel mounting LED indicators show link, activity and data rate.
Skorpion – Plug & Play Switch Five 10/100 Mbps Ethernet ports Auto-negotiation and Auto-MDIX Minimal DIN-rail space requirement 24 VAC/VDC powered DIN-rail mounting Single-mode or multimode fibre optic versions are available.
Skorpion Managed – Ethernet Switch Eight 10/100 Mbps Ethernet ports Auto-negotiation and Auto-MDIX SNMP protocol IGMP snooping with query Virtual LAN (VLAN) Quality of Service (QoS) RSTP or RapidRing®cable redundancy Port mirroring, portsecurity & rate limiting Web page configuration 24 VAC/VDC powered DIN-rail mounting Dual single-mode or multimode fibre optic versions are available.
Skorpion PoE Injector Can fully power one Powered Device (PD) Mid-span Power Sourcing Equipment (PSE) Isolated 15.4 W power output IEEE 802.3af compliant 24 VAC/VDC powered DIN-rail mounting This mid-span device will work with any 10/100 Mbps Ethernet switch.
BAS Router: BACnet/IP to BACnet MS/TP In order to communicate between BACnet/IP and BACnet MS/TP a special router is needed. A standard IP router will not do. That is why we designed the BAS Router.
BAS Router: BACnet/IP to BACnet MS/TP 10/100 Mbps Ethernet port MS/TP EIA-485 port Opto-isolated EIA-485 transceiver Serial baud rate up to 76.8 kbps LED activity indicators on both ports 24 VAC/VDC powered DIN-rail mounted Web page configuration Provides the means for accessing BACnet MS/TP devices from Ethernet.
BAS Portable Router The same functionality as the BAS Router can be gained in the BAS Portable Router which is intended for connection to a laptop. It is useful for troubleshooting and commissioning a BACnet MS/TP network.
BAS Portable Router: BACnet/IP to BACnet MS/TP Same functionality as the BAS Router Receives power from a USB port on a laptop computer Ideal for tools that commission or troubleshoot BACnet networks Although powered from USB, communication is through Ethernet.
BAS Router Enhancements Add BACnet/IP Broadcast Management Device (BBMD) Allows BACnet/IP systems to cross IP routers Receives Foreign Device Registration requests Add support for BACnet/Ethernet to MS/TP routing Companies such as Alerton could use Ethernet and not IP This feature allows for a greater range of applications Add support for BACnet/IP to BACnet/Ethernet routing Supports companies like Alerton with their BACnet/Ethernet equipment Called a “one-arm router” since only one RJ-45 connector is used
BAS Remote – Versatile Web Appliance One capability of the BAS Remote is that it can function as a Modbus master to attached Modbus serial devices such as power meters and drives.
BAS Remote – Versatile Web Appliance BACnet/IP remote I/O Modbus TCP remote I/O Universal I/O points Relay output points Modbus TCP to ModbusSerial router Modbus master to attachedModbus ASCII or RTU Slaves 10/100 Mbps Ethernet port Web page configuration A 2-wire Modbus serial port provides access to a wealth of Modbus I/O devices. The BAS Remote I/O count can be increased by adding expansion modules
BAS Remote – Master Module BACnet/IP compliant B-ASC device profile 6 universal I/O points 2 relay outputs 24 VDC loop supply Modbus TCP Server Modbus serial gateway Expansion port 24 VAC/VDC powered DIN-rail mounted LED indicators relate the state of the I/O points while identifying Ethernet activity.
Universal I/O − Analog Inputs Voltage 0-10 VDC 0-5 VDC 1-5 VDC 2-10 VDC Current 0-20 mA 4-20 mA Type II or III 10kΩ thermistor The BAS Remote provides a 24VDC loop supply to power transmitters.
Universal I/O − Analog Outputs Voltage 0-10 VDC 0-5 VDC 1-5 VDC 2-10 VDC Current 0-20 mA 4-20 mA Motorized actuators are typically used to position dampers. Position feedback is sensed using an analog input on the BAS Remote. Analog outputs source current to ground and therefore no loop power supply is required. The output burden can be as high as 750Ω.
Universal I/O – Digital Inputs Dry contact closure Pulse inputs Pulse input rates can be as high as 40 Hz. A typical application is meter reading or flow rate measurement. The BAS Remote will accumulate counts or determine pulse rate.
Relay Contact Outputs Two form “C” contacts Contacts rated at 2 A and 30 VAC/VDC Intended for Class 2 circuits In order to switch higher loads or interface with Class 1 circuits, interposing relays are required. However, with a 2 A contact many loads can be driven directly.
BAS Remote Power Requirements 24 VAC/VDC 10VA Half-wave rectified power Although half-wave rectified power is less efficient, it allows for the sharing of power with other equipment. Interfacing of equipment is much easier since most equipment is not isolated from their power source. With full-wave rectified equipment, a dedicated transformer is required.
Expanding I/O Points in the Field In order to increase the I/O count without adding another Ethernet drop, up to three expansion modules can attach to one master module. Communications between master and expansion is done through a proprietary serial bus. Master modules carry a BASR-8M part designation while expansion modules are identified as BASR-8X.
BAS Remote Expansion for Additional I/O Same I/O count as the master – six universal I/O and two relay outputs Instead of a MB Modbus serial gateway port there is an UP port that connects to the master The DN port connects to and next downstream expansion module
The One-Cable Solution: Power over Ethernet Simply make a connection from a PoE compliant Ethernet switch port to the Ethernet port on the BAS Remote. Both the BAS Remote and field devices can be powered from the data cable. Saves from purchasing proprietary BAS cabling and the associated cost of installation. May gain you points towards “green” certification.
BAS Remote PoE to Reduce Wiring Same functionality as BAS Remote Master except no input power requirement! Used to promote our “One Cable Solution” Ideal when there is noconvenient source oflow-voltage power Good for going Green! The BAS Remote PoE can still provide 24 VDC power for field devices using a single PoE connection.
BAS Remote Enhancements Introduce control Sub-metering application Modbus-BACnet gateway Web Services Add more BACnet services
BAS Remote – Introduce Control As a remote I/O device the BAS Remote cannot make control decisions on its own. Control functionality can be gained by incorporating Sedona from Tridium. Utilizes a graphical programming scheme similar to Niagara Framework We are allowed to market the product as Niagara Ready after a certification process Allows customers familiar with Niagara the ability to implement control loops within the BAS Remote No additional programming tools needed if the system integrator already has Tridium’s Workbench With Sedona, the BAS Remote can communicate using the SOX protocol with a JACE running Niagara Framework.
Sedona Framework – Graphical Programming Tridium’s Workbench can be used to program Sedona running in the BAS Remote.
Building Controller Client Residing on Ethernet You need a client such as a B-BC in the system since the BAS Remote is only a server. Fibre is recommended between buildings and copper within buildings.
BAS Remote – Sub-metering Application Sub-metering will become an important application as owners bill individual tenants for energy usage Two ways of handling power measurement Pulse meters that provide a pulse per each unit of energy Modbus interface where calculations only need to be read Modify the BAS Remote to directly handle sub-metering Incorporate the new BACnet object for meter reading Allow the customer to scale the meter through a web page Handle multiple pulse or Modbus meters Provide retentive memory in the event of a power outage Maintain profiles of common Modbus meters in memory
BAS Remote – Modbus to BACnet Gateway Currently the BAS Remote can function as a Modbus TCP to Modbus serial router Add Modbus serial to BACnet gateway in order to allow Modbus register to BACnet object mapping Configuration through web page or product selection menu Allows Modbus devices to be seamlessly treated as BACnet objects such as BO, BI, AO and AI
BAS Remote – Web Services BACnet is great for those familiar with building automation systems but what about IT personnel? Add web services functionality to the BAS Remote based upon BACnet/Web Services Allows IT personnel to access BAS data using XML Investigate a competing web services technology called oBIX
BAS Remote – Add More BACnet Services Add Foreign Device Registration which allows the BAS Remote to communicate through IP routers Add Change-of-Value (COV) that will allow the BAS Remote to only report to a client any change in value of a point by more than a preset amount Add Read-Property-Multiple (RPM) which allows for more efficient transfer of data
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