alex cheung, p.eng
DESCRIPTION
OWWA Conference 2014 SCADA Screen Design Best Practices. Alex Cheung, P.Eng. May 5, 2014. Content. Common SCADA Screen Issues Vs Better Approaches. Other SCADA Screen Design Best Practices. SCADA/OIT Examples. Best SCADA Screen Design Practices. Better Approach - PowerPoint PPT PresentationTRANSCRIPT
Alex Cheung, P.Eng
OWWA Conference 2014
SCADA Screen Design Best Practices
May 5, 2014
Content
• Common SCADA Screen Issues Vs Better Approaches.
• Other SCADA Screen Design Best Practices.
• SCADA/OIT Examples.
SCADA Screen Design Best Practices Page 2
Layout
• Common Issues– Fragmented Process SCADA
Screens.
• Better Approach– Less is more. (Minimize No. of
screens for a process area)
Best SCADA Screen Design Practices
SCADA Screen Design Best Practices Page 3
Best SCADA Screen Design Practices
Best Practices - Layout
• Maintain the common navigation menu on the top or at the bottom of all screens.
• Centre all pipes and evenly space out objects.
• Intuitive.
SCADA Screen Design Best Practices Page 4
Format
• Common Issues– Inconsistence on Color /
Font / Device Graphics.– Missing Device Tags.
• Better Approach– Maintain standard and object
library.– Use library on all projects.
Best SCADA Screen Design Practices
SCADA Screen Design Best Practices Page 5
Security
• Common Issues– Security is done by
• blocking access to other screens.
• Making complete different screens for different level of access.
• Better Approach– Security should be done at the
tags, push buttons and setpoints levels.
Best SCADA Screen Design Practices
SCADA Screen Design Best Practices Page 6
After Logon
Networking
• Common Issues– Multiple standalone package
systems controlled on its own OIT.
• Better Approach– Each OIT shares the same
program and able to control all the package systems.
Best SCADA Screen Design Practices
SCADA Screen Design Best Practices Page 7
Train 1 Train 2Train 1 Train 2
Best SCADA Screen Design Practices
Other Best Practices
• Use Dynamic Pop-Up for instrument and equipment control.
• Avoid Ladder Logic & Heavy Computation in SCADA.
SCADA Screen Design Best Practices Page 8
Best SCADA Screen Design Practices
Other Best Practices Cont.
• Include function or separate screens to separate historical alarms and active alarms.
• Utilize one master clock and synchronize in SCADA & PLC.
• Include all analog and digital instrument readings in the historical trends.
• Include the system status on SCADA such as – PLC Status (Stop, Run or Fault).– Communication Status & Heartbeat Between other PLCs
SCADA Screen Design Best Practices Page 9
Application Examples
VFD Synchronous Transfer Control System (VSTCS)
VFD Synchronous Transfer Control System (VSTCS)
SCADA Screen Design Best Practices Page 11
VFD #1 VFD #2
Across The Line
Across The Line
#1
#2
#3
#4
Across The Line
Across The Line
Starting
VFD Synchronous Transfer Control System (VSTCS)
SCADA Screen Design Best Practices Page 12
VFD #1 VFD #2
Across The Line
Across The Line
#1
#2
#3
#4
Across The Line
Across The Line
Stopping
Application Examples
SCADA Screen Design Best Practices Page 13
Design No.1 Design No. 2 Design No. 3
1
Design #1 – Screen #1
SCADA Screen Design Best Practices Page 14
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Design #1 – Screen #2
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Design #1 – Screen #3
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Design #1 – Screen #4
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Design #1 – Screen #5
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Design #1 – Screen #6
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Design #2 – Screen #1
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Design #2 – Screen #2
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Design #2 – Screen #3
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Design #2 – Screen #4
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Design #2 – Screen #5
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Design #2 – Screen #6
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Design #3 – Screen #1
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Design #3 – Screen Popups
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Design #3 – PLC Network
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Questions?
Email: [email protected]
Thank You
Email: [email protected]