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FOUNDATIONS OF HMI
Review and LOs
How does HMI work ?
In this presentation, we will look at three foundations of HMI.
The LOs
Interface HMI SIMATIC panel the with PLC
List three general HMI application
Define the HMI (SIMATIC panel) principle work.
Introduction to SIMATIC HMI
- Ideal entry-level range for simple HMI applications.
- Engineered in the TIA Portal
- Flexible scalability within the HMI range
- Touch / key functionality for intuitive operation
- Interface for connection with various PLCs
SIMATIC HMI
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2
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Scalable Software for easy configuration
2
High resolution wide-screen displays
3
Improved usability (USB interface)
Improved process quality
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Advantages
of an HMI
interface the HMI with PLC
Interfacing & Networking with PLCs
3
HMI software is structured around mobile, portable platforms such as the Microsoft Windows CE platform
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Selecting the HMI for a PLC based automation
system is an experience for the plant engineer
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I/O data: DeviceNet handles industrial devices like drives, limit switches, motor starters, operator displays, photoelectric cells, etc
Control responsibility must be assigned to machine
or human. Some task will be carried out
automatically
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(HMI) connected to a separate programmable logic controller (PLC) is the standard system for machine automation.
HMI/PLC
HMI/PLC Combination
Combination
The combined HMI/PLC unit has physical size benefits as it will always take up less panel space than separate units. The combined HMI/PLC unit also minimizes wiring because no connections need to be made between the HMI and the PLC, a single power source powers both the HMI and PLC, and only one network connection needs to be made to the outside world.
In terms of the PC-based software packages used to program these platforms and systems, both combined and separate units are merging the HMI and PLC programming features into a single integrated package or all-in-one configuration software. These suites of software integrate the PLC programming software, HMI development software, and system configuration software in a single development environment.
Software solutions
Software Solutions
The separate HMI can be one of two types. The first is a PC-based platform running third-party HMI software. This software can be either internally developed, or it can be purchased and configured.
HMI Applications
Customized small Panel-PC on sailing yacht
Data Entry System in Operating Room
HMI Applications
SIMATIC panel that used by machine operator to monitor the machine (production line)