Software
GUI for evaluation module (EVM)
TIDA-00464
High Temperature Touch through Glass Reference Design
TIDA-00464
Overview
Human machine interface (HMI) is an essential part of process plants since it is one of the major ways through which humans and machines interact. This reference design offers an HMI solution for harsh and hazardous area applications. In process plants, operators need to interact with an explosion-proof display/controller which is encapsulated in a screw-on metallic enclosure with a thick glass window for local read out and programming functions.
This reference design uses the capacitive sensing technology integrated in the FDC2214. The operator will be able to interact with the controller without the need of opening the enclosure to save time by avoiding work permit or plant shutdown.
Features
- Four robust buttons option omplemented
- Variable air gap between buttons and glass (1 mm to 2 mm)
- Finger detection through 10-mm thick glass
- Work with gloves and in harsh environment (water, oil, dust and more)
- Temperature range: -40°C to 125°C
Industrial
- Capacitive Level Transmitter
- Capacitive pressure transmitter
- Coriolis Flow Transmitter
- Differential Pressure Flow Transmitter
- Electromagnetic (MID) flow transmitter
- Hydrometric Pressure Level Transmitter
- Impeller / Turbine Flow Transmitter
- Inductive & capacitive position sensor
- LVDT Position Sensor
- LVDT pressure transmitter
- Optical ToF continuous wave position sensor
- Optical ToF pulse position sensor
- Proximity switch
- Radar / microwave level transmitter
- Resistive pressure transmitter
- Silicon pressure transmitter
- Temperature transmitter
- Thermal Mass Flow Transmitter
- Ultrasonic flow transmitter
- Ultrasonic level transmitter
- Ultrasonic position sensor
- Vortex flow transmitter
A fully assembled board has been developed for testing and performance validation only, and is not available for sale.
Design files & products
Design files
Download ready-to-use system files to speed your design process.
TIDUBJ8.PDF (2090 K)
Reference design overview and verified performance test data
TIDRKW2.PDF (211 K)
Detailed schematic diagram for design layout and components
TIDRKW3.PDF (51 K)
Complete listing of design components, reference designators, and manufacturers/part numbers
TIDRKW4.PDF (95 K)
Detailed overview of design layout for component placement
TIDRKW6.ZIP (479 K)
Files used for 3D models or 2D drawings of IC components
TIDCBY2.ZIP (346 K)
Design file that contains information on physical board layer of design PCB
TIDRKW5.PDF (496 K)
PCB layer plot file used for generating PCB design layout
Start development
Technical documentation
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| Type | Title | Date | ||
|---|---|---|---|---|
| * | Design guide | High Temperature Touch Through Glass Design Guide | Mar. 07, 2016 | |
| Technical article | Engineering magic: Touch through thick glass with LEDs and LCD | PDF | HTML | Aug. 18, 2016 | |
| Technical article | Engineers do better than magicians: HMI touch through a thick glass | PDF | HTML | Apr. 26, 2016 |
Related design resources
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EVALUATION BOARD
Reference designs
REFERENCE DESIGN
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