T1S6 - BACnet Integration & Peripherals

8/14/2019 T1S6 - BACnet Integration & Peripherals

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Steve Ferree, V.P. Marketing, FieldServer Technologies

The Future of BACnet and Peripherals


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The Future of BACnet

BACnet

BACnet has demonstrated its ability to adapt

Common open-protocol developed via ASHRAE has

adapted

All common media RS-232, RS-485, Arcnet,

Ethernet, TCP/IP

Many building systems HVAC, lighting, life safety

Future of XML

Multi-vendor


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Currently 158 Vendor IDs issued for companies around

the world

Multiple manufacturers and multiple products from major

BAS manufacturers including:

Trane

Honeywell

Johnson Controls

Automated Logic

Multi-vendor

Alerton

Siemens

Delta Controls

TAC


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Multiple Support Groups

BACnet Manufacturers Association (BMA)

manufacturers of BACnet products

BACnet Testing Labs testing interoperability

ASHRAE BACnet group, Standing Standard Project

Committee (SSPC) 135

BIG-NA (+ BIG-EU, BIG-ME, BIG-AA, BIG-RU) User

interest groups


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Worldwide BACnet

Where is BACnet used?


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Open Systems

What are Open Systems

Interoperability between vendors

Open, standard protocols

Available to any vendor Flexible infrastructure

Benefits

Integration with multiple vendors

Cost savings Efficiency improvement time savings


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BACnet Future

The vast majority of devices and systems installed today

utilize proprietary protocols

A majority of new devices still utilize proprietary protocols

There are competitive open protocols used in the BAS

industry and other open protocols used in other

industries


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Interoperability

BACnet must work with other systems

Legacy devices and systems will continue to be used in

buildings

As buildings become smarter interoperability is a MUST

Disparate systems can work together, using gateways,

tools and open technologies


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Interoperability

Even as BACnet grows there will always be legacy

devices and new applications requiring interface of other

protocols to BACnet

New open protocols for specific industries will require

interoperability to the building control system

DALI lighting

NAFEM food equipment

ControlLogix, DeviceNet, EtherNet/IP, DH+, etc -

Process


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Working with other systems


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Meeting the Users Needs

Integrators will continue to install the systems that meets

the customers needs in an efficient and effective

manner

Manufacturers have to keep up with these needs and

still compete in a competitive market utilizing whateverprotocol is necessary

Users want a system designed for their specific needs,

yet, has a proven track record with others


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Interoperability via Gateways

Gateways are necessary

How many fire alarm panels have BACnet?

What if the customer requires a lighting feature only

available on a lighting panel that utilizes another

protocol?

What if the manufacturing plant wants to interface

process control information from a PLC?


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Thank you


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The Future of BACnetand Peripherals

Bob Ofenstein

Cimetrics Inc.V.P. Products Group


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony

Business Network Remote Control


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:XML or Web Servicesto Enterprisesoftware

ISO 16484 - 5


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:XML LCD web

pages


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:Gateways

802.11B

802.15.4/ Zigbee

BACnet


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:Native BACnet or

XML or Web Services


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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XML or Web Services


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:XML or Web Services


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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Gatewaysto LON or Proprietary


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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Gateways toproprietary


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Lighting

Energy

HVAC

Vertical transport

Security

Fire Control

Wireless

Telephony



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nnection Technology:Native BACnet orGateways toproprietary


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nnection Technology:HTTP using webbrowsers


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BACnet Integration & PeripheralsAFD Integration

Mike Olson ABB Drives


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AFD Selection is Extremely Important

Consider the effects of current and voltage harmonics onthe power distribution system

Investigate under and over voltage ride-thru capabilities

Investigate design reliability

Choose a unit / manufacturer with tripless operation

Investigate the Service and Support capabilities

Make sure the Adjustable Frequency Drive (AFD) is

compatible with the BAS

New, existing and future installations


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BAS Compatibility Investigation

It is not enough to talk the protocol, its what you say!

Partial point list:

Output frequency and % speed

Output current and torque

Output KW and KWhr

Drive temperature (can set alarm)

Elapsed time

DC bus voltage (directly proportional to AC voltage) Analog input and output values

Fault type, fault history, and fault reset


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BAS Compatibility Investigation (cont.)

Points (cont.)

Run / Stop status

Hand / Auto Selection status

Digital input and output status

Additional capabilities

Can AFD control analog and digital outputs independent

of AFD functions (to control dampers,valves,etc.)?

Can AFD monitor analog and digital inputs without AFDactions (monitor temperatures, damper position, etc.)?


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Enhanced Energy Savings Strategies

PointRef1 / Ref2 Select

Last Faults

Reset Faults

DC Bus Voltage

UsageNight Set-back

Remote Diagnostics

Remote Indication of Spares

Remote Reset of

Fault Conditions

Building Power Indication

Isolate Problem Areas


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PointMonitor Digital Inputs

Monitor Digital Outputs

(Relay Outputs)

UsageDamper End-switch Status

Safety Status and Annunciation

Bypass Status Indication

Change of State (COS)

Broken Belt Indication

Lag Motor Start

Load Shedding

Maintenance Assistant Trigger


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PointControl Relay Outputs

(Drive and Unitary

Controller in One)

Control Analog Outputs

[0 (4) 20 mA Outputs]

(Drive and Unitary

Controller in One)

UsageOpen Isolation Damper

Forced Bypass

Lag Pump Start

Cooling Tower Bypass Valve

Chilled Water Valve Control

Hot Water Valve Control


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PointMonitor Analog Inputs

Second PID Loop

Batch Settings

External PID Loop

(Drive and Unitary

Controller in One)

UsagePID Feedback

Chilled Water Feedback

Night Set-backSummer / Winter Settings

Control Chilled Water Valve

Control Cooling Tower Bypass

Valve (Free PID Loop)


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Case Study - Dallas Office Tower

User monitors % power over BAS

If % power of any of 84 supply or return fans exceeds 50%,

algorithm triggers

Algorithm checks IAQ, if acceptable, chilled water reset

accomplished Chilled water reset means rooms get satisfied faster, fan

drives slow down further

Chilled water loop absorbs less heat. Less heat to reject

equals less chiller run time. Less chiller run time equals

Four month payback on AFD installation (84 Drives)


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Case Study - Toronto Office Tower

Field panel on 27th floor, drive on 24th floor

One twisted pair between the two devices

Drive DO switches between electric's & pneumatics

System pressure controlled by AFD PID Controller

Set-point from field panel, drive loop powers sensor

Feedback transmitted to field panel

AI from chilled water sensor to AFD

AFD transmits sensor data to field panel

Field panel accomplishes PID Control & commands drive AO

to control chilled water valve

No Unitary (TEC) controller in equipment room


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Case Study - New York 6 Cell Cooling

Tower

Master drive has PID loop control using sleep and wake-upfeature

Master drive uses DO with programmable time on and time

off delays to start lag cell and 4-20 ma frequency output to

control speed of lag cell

First lag cell AFD uses its DO & 4-20 ma output to control

second lag cell as above

Second lag cell AFD uses its DO & 4-20 ma output to control

third lag cell as above

Etc., etc.


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Smart Drive - Smart Bypass!

Intelligent Bypass - for advanced control of3 to 400 Hp induction motors

Features include: Keypad control with one line diagram and

status LEDs.

Selectable manual or automatic transfer bypass.

Input power single phase protection in Drive andBypass modes.

Regulated power supply with voltage tolerance of

+30% / -35% eliminating contactor coil burnout.

Start/stop via customer supplied contact is 24

or 115 volt compatible.

Start/stop and safeties function in both Drive and

Bypass modes.

Selectable class 20 or 30 electronic motor overload protection.

Fast acting semiconductor fuses feeding drive

supplied as standard.

Door interlocked disconnect switch supplied as

standard.


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Smart Drive - Smart Bypass!

Indications for:

Power-on

External fault

Bypass H-O-A mode

Drive selected Bypass selected

Drive running

Bypass running

Drive fault

Bypass fault

Automatic bypass mode


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Intelligent Bypass FeaturesInputs Safety interlocks

Start/stop Mode-in (forced bypass)

Firemans override

Damper end-switch

Other

Either vertical slim-line package, or side by side NEMA 1 or NEMA 12

Disconnect or circuit breaker (door interlocked, pad-lockable)


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Intelligent Bypass Features

Serial Communications Capabilities with Smart Bypass Monitor AFD / bypass mode of operation

Monitor the status of the bypass H-O-A switch

Monitor the status of the bypass fault output

Monitor the status of the Firemans overide switch

You can also force the motor into bypass over the serial link


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Conclusion

Modern AFDs and serial communications solutions arevery powerful

System optimization is possible if you use the built-in

power of the smart devices

Real-time information from the AFD / bypass allowsimplementation of enhanced energy savings strategies!

T1S6 - BACnet Integration & Peripherals

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