What Are: Capacitive Touchscreens

A capacitive touch screen is a panel of glass coated with a special transparent conductor such as Indium Tin Oxide. A small voltage is applied to the layer resulting in an electrostatic charge. Because the human body an electrical conductor, touching the screen results in a distortion of the panel’s electrostatic charge.

When a finger touches the surface, a capacitance is formed at that location. Sensors located at each corner of the panel will measure the frequency variations to calculate the coordinates of the user’s touch. The coordinates are then fed back to the controller which translates this information in to something that allows software on an operating system to understand.

Capacitive touch screens have no moving parts and are impervious to grease, dirt and water making them an ideal interface for outdoor Kiosks.

Impulse has an extensive range of capacitive touch screen Panel PCs and Industrial Displays. For more information on our capacitive touschcreen range, contact our Technical Account Managers on +44 (0)1782 337 800 or alternatively email sales@impulse-corp.co.uk.

Advantech EKI Managed Industrial Ethernet Switches available at Impulse

Impulse is excited to announce the launch of the EKI Managed Industrial Ethernet Switches from Advantech. Advantech’s Industrial Ethernet Switches offer a variety of features such as high speed Gigabit Ethernet, Copper and Fibre Optic interfaces and Power over Ethernet. In addition, Advantech’s Industrial Ethernet Switches feature X-Ring technology allowing for fast and prompt recovery time (<10 ms) increasing the reliability and speed of network infrastructures.

Featuring a compact DIN-rail mount package, these switches are ideal where panel space is limited. Ruggedised for industrial applications, they feature dual 12 to 48 VDC power inputs with fault relay output, 4,000 VDC Ethernet ESD protection, power line surge (EFT) protection of 3,000 VDC, and feature an industrial operating temperature range. In addition, these switches are CUL (UL/CSA), CE, FCC, and RoHS/WEE certified.

The EKI-6558TI and EKI-6559TMI are IP67 certified with wide temperature support designed especially for the rail and transport industry. M12 connectors are used to securely fasten Optical and Ethernet I/O to ensure reliability in harsh environments.

For more information on the EKI Managed Industrial Ethernet Switches from Advantech, you can contact our Technical Account team on +44 (0)1782 337 800 or email sales@impulse-corp.co.uk.