New Tools & Ideas for Buildings 2.0
IEC 61131 for Building Automation
2007 Chicago
Jim Desrosiers – Data Acuity, Inc. PLCopen Member Company Data Acuity, Inc. www.dataacuity.com
[email protected]
Bill Lydon – Managing Director PLCopen North America PLCopen North American www.plcopen-na.org
[email protected] PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen Founded in 1992 – Worldwide Organization Vendor Independent - Not for Profit Organization
Focus – Open Controls Programming Standards Primary IEC 61131 & Extensions PLCopen is dedicated to improving the automation programming efficiency and productivity of control engineers.
PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen Members ABB altus ATOS ATS International Automaton Tooling Systems Baumuller Beckhoff Berger Lahr Rexroth Bosch Group B&R Control Techniques Danfoss Digital Electronics Elau Fuji Electric Japan G&L Motion Control HIMA
Honeywell ICS Triplex ISaGRAF Info team Software Industrielle Steuerungstechnik KEBA kirchner SOFT KUKA KW Software LENZE Panasonic ESR Pollmeier GmbH Mitsubishi Electric Nyquist Industrial Control OMRON ORMEC Parker Automation Philip Morris Phoenix Contact
PLCopen WWW.PLCopen-NA.org
Rockwell Automation 3S Scneider Automation Selectron Systems AG SEW Eurodrive SICK Siemens Softing SMS Demag AG Stober Antriebstechnik TEAM Teco Tevopharm B.V Valiosys Group TOSHIBA TRICONEX YOKOGAWA
2007 Chicago
PLCopen Worldwide Organization Europe
China
PLCopen WWW.PLCopen-NA.org
Japan
North America
2007 Chicago
What is IEC 61131-3 Global Standard: Common Control Programming Software Language and Software Model IEC = International Electrotechnical Commission World Standards Organization Founded in 1906 Electrical & Electronic International Standards Over 50 Participating Countries 1986 Controls Programming Standard Started 1993 IEC 61131 Standard Published 2003 Second Edition
Other improvements since. PLCopen WWW.PLCopen-NA.org
IEC 61131 will be described later in this presentation!
2007 Chicago
Building Automation with IEC 61131 Microsoft Headquarters, Munich, Germany Intelligent Building Automation • Standard IEC 61131 Programming • 230 Beckhoff BC9000 Controllers • HMI: Webpage/Internet Explorer • Ethernet TCP/IP I/O • 27,500 I/O Points • Microsoft Windows CE & XP • Standard Ethernet Components • Windows CE pocket PCs • Room Control via Internet Courtesy of PLCopen Member Company PLCopen WWW.PLCopen-NA.org
2007 Chicago
Building Automation with IEC 61131 Eurotheum (European Central Bank), Frankfurt, Germany • Standard IEC 61131 Programming • Remote Maintenance • Fault Diagnostics • Robust PC Technology IT-Port, Unterschleißheim near Munich, Germany • Standard IEC 61131 Programming • Standard Ethernet • 22,000+ I/O Points
Courtesy of PLCopen Member Company PLCopen WWW.PLCopen-NA.org
2007 Chicago
New Tools & Ideas for Buildings 2.0
IEC 61131 for Building Automation
IEC 61131 makes sense for Building Automation for the same reasons industrial users prefer IEC 61131. PLCopen WWW.PLCopen-NA.org
2007 Chicago
IEC 61131 Improves Life Cycle Cost of Control Software Development Design
Maintenance
Specification
Commissioning Risk Analysis Integration
Verification
Refining Testing
PLCopen WWW.PLCopen-NA.org
Coding
2007 Chicago
Automation Trends Controls Engineers Role Broadening • Adaptable - Sophisticated Applications • Efficiency - Control Simplifies to Optimize Processes Open Architecture Automation • Enterprise – Integration to IT Systems (Just as it has in the computer industry.) •IEC-61131-3 Maintainable - Real-time Data – OpenMaintenance Programming • Commissioning – Distributed& Systems, PLCopen -Applications Extension Wireless • Resources - Collaborative Engineering
PLCopen WWW.PLCopen-NA.org
2007 Chicago
Software Language Progression Building Automation Computer Industry
Languages Today •Visual Basic •Visual C •C++ •Java
Industrial Controls
Visual Procedural
Languages Today IEC 61131-3 • Function Blocks • Ladder • Sequential Charts • Instruction List • Structured Text
Assembler Machine Language PLCopen WWW.PLCopen-NA.org
2007 Chicago
IEC 61131-3 Industrial Control Programming
Tough to Deploy
Standardizes Controls Programming PLCopen WWW.PLCopen-NA.org
2007 Chicago
IEC 61131-3 Industrial Control Programming ... support for people with different backgrounds
PLCopen WWW.PLCopen-NA.org
2007 Chicago
The 6 parts of the IEC 61131 Standard PLCopen Standardization in Industrial Control programming
61131-1 General Overview, Definitions 61131-2 Hardware
61131-3 Programming Languages 61131-4 User Guidelines 61131-5 Messaging Service Specification 61131-7 Fuzzy Logic IEC 61499 – Distributed Applications
PLCopen WWW.PLCopen-NA.org
2007 Chicago
IEC 61131-3 Software Model
Task
Task
Task
Task
Program
Program
Program
Program
FB FB
FB FB
FB FB
FB FB
Global and Direct Variables / I/O Systems
PLCopen WWW.PLCopen-NA.org
Data Access path
Configuration (Project) Resource (HW) Resource (HW)
2007 Chicago
IEC 61131-3 : Common Elements Variables & Data types Symbolic representation via labels Restricted area for I/O mapping Hardware independent code Higher transparency & readability Less errors Defined Data Types BOOL STRING REAL & LREAL TIME INTEGER ARRAY VENDOR DEFINED USER DEFINED STRUCTURES
PLCopen WWW.PLCopen-NA.org
2007 Chicago
IEC 61131-3 Languages
Ladder Diagram (LD) Function Block Diagram (FBD) Sequential Function Chart (SFC) Structured Text (ST) Instruction List (IL) PLCopen WWW.PLCopen-NA.org
2007 Chicago
Ladder Diagram (LD) Standardized set of relay ladder programming symbols and terminology Electrical Flow Large base of users Boolean equations Easy rules
A B
C
-| |--|/|----------------( )
PLCopen WWW.PLCopen-NA.org
2007 Chicago
Instruction List (IL) Single accumulator based execution model Low Level Programming One operation such as storing a value in the accumulator register, is allowed per line
LD
A
AND
B
ST
C
PLCopen WWW.PLCopen-NA.org
2007 Chicago
Structured Text (ST) High level language, block structured Syntax resembles PASCAL, C, C+ Complex statements and nested instructions possible Support for Iteration loops (REPEAT-UNTIL; WHILE-DO) Conditional execution (IF-THEN-ELSE; CASE) Functions (SQURT(); SIN()) C:= A AND NOT B If A = FALSE THEN ... CASE Select OF ....
PLCopen WWW.PLCopen-NA.org
2007 Chicago
Function Block Diagram (FBD) Graphical Language Allows Program elements which appear as blocks to be “wired” together in a form analogous to a circuit diagram Used in many applications that involve the flow of information or data between control components
AND A B
PLCopen WWW.PLCopen-NA.org
C
2007 Chicago
Sequential Function Chart (SFC) Technological programming language for describing sequential controls Structured program draft Description of the process with steps and transitions Clear, easy to understand
Step 1
Action 1 Action 2
Transition
Application examples Presses Productions lines Process technology Packaging technology Machine tools Batch Process Control – S88
PLCopen WWW.PLCopen-NA.org
Step 2
Transition
Action 1
2007 Chicago
IDE - Integrated Design Environment (IDE) Multiple Automation and Control Disciplines Process Design Logic Simulation Automatic Documentation Engineering Tools Online Debug Environment Breakpoints Watch Windows Strip chart Recorder IEC 61131 Controller Integrated HMI PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen WWW.PLCopen-NA.org
2007 Chicago
Function Block… Self Contained Building Blocks
Inputs
Function Block •Explicit Data • Variables • Tag Names • Logic • Actions/Calculations
Outputs
Perfect for Building Automation PLCopen WWW.PLCopen-NA.org
2007 Chicago
Function Block… Self Contained Building Blocks
Inputs
Function Examples •And, Or, Xor • PID • Square Root • Add, Subtract, etc.
PLCopen WWW.PLCopen-NA.org
Outputs
2007 Chicago
Function Block… Self Contained Building Blocks
Inputs
Send Email Serve UP WEB Pages Dial Up Cell Phone Send Messages (SMS) Send SOAP Messages Send XML Messages
PLCopen WWW.PLCopen-NA.org
Outputs
2007 Chicago
Encapsulation BUILD YOUR OWN FUNCTIONS
Inputs
User Created Object
Outputs
Built from standard blocks ... PLCopen WWW.PLCopen-NA.org
2007 Chicago Ladder Logic
Instruction List
Structured Text
Create Your Own Standards Reuse Tested Code Build your own function Easily Understood blocks with Ladder Logic, Your Function Blocks Run Self Documenting Instruction List, or In the Controller Password Protect Structured Text
You Add Functions to the Controller! Your Own Function Blocks
PLCopen WWW.PLCopen-NA.org
Function Block
2007 Chicago
IEC-61131 Advantages Significantly Better Price/Performance Leverages Existing Staff Common Training Collaborative Engineering Lower Implementation Cost Lower Maintenance Cost Easily Scaled to Needs Higher Quality
Lower Total Cost of Ownership PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen Activities Conformity Reusability Safety
PLCopen WWW.PLCopen-NA.org
XML Portability Motion Control Cyber Security
2007 Chicago
PLCopen TC3 : Certification
…without testing there is no standard…
PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen TC6 : XML Open Development Interface XML formats for IEC 61131-3
IEC Language XML Schemas
PLCopen WWW.PLCopen-NA.org
2007 Chicago
What's next? IEC 61499 – Open Distributed Systems Distributed application standard Encapsulates IEC 61131-3 Program Organization Units (POU) Normative event signals: INIT, RSP, REQ Library of function blocks IEC61499 Function block view Automatic binding between resources
PLCopen WWW.PLCopen-NA.org
2007 Chicago
What's next? IEC 61499 – Open Distributed Systems
PLCopen WWW.PLCopen-NA.org
2007 Chicago
PLCopen North America www.plcopen-na.org • Free Electronic Newsletter • News • Information • Resources Bill Lydon, Managing Director North America email:
[email protected] Phone 414-427-5853
Data Acuity, Inc. www.dataacuity.com • Representation and Consulting to Automation Software Companies Jim Desrosiers, President email:
[email protected] Phone 603-929-9130 PLCopen WWW.PLCopen-NA.org
