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Essential Power

eSMART04 is the basic HMI designed to offer an outstanding price/performance ratio for challenging applications.

It's the ideal choice for HMI applications including industrial and building automation. eSMART04 features a bright 4 inch resistive touchscreen display with a fully dimmable LED backlight.

No low cost HMI can offer features and certificates as eSMART04, such as ATEX and UL, opening dramatically the range of possible applications/industry verticals.

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Related products


The eSMART series of products combine the power of JMobile – the software inside X Platform with an outstandingly robust design.With very specific applications in mind we have stripped down the eSMART to only the essential components and have created a truly class leading product.

Stripped down does not mean that the product is not robust. In fact it maintains a IP66 protection rating for the front of the unit and is certified to a level not seen in the low cost sector worldwide, allowing use in the most hazardous of environments.

Stripped down does not mean a cheap looking ugly product. The eSMART series is without doubt the most elegant in its class. No other fully plastic housed product can match the eSMART quality.

Stripped down does not mean reduction in high level functionality. Although the display is not at the incredible real life level of the eX700 series, the unique connectivity ability of JMobile – the software inside X Platform, allows the eSMART to communicate with a vast library of critical protocols as well as OPC UA standard and pub/sub server and client.

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Key features

  • JMobile programmable
  • Browser Programming Widget
  • Chromium Web Browser
  • OS Linux RT
  • HW and FW Optimised for Extremely Fast Operation
  • Supports HTML5 and JS
  • Resistive Touchscreen
  • Powerful CPU
  • High Memory Resources
  • Extended voltage range 10-32 Vdc
  • OPC UA Server and Client
  • Vast Library of Protocols
  • Extremely Robust Design
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Compatible Plug-in and Accessories

Technical Data

System Resources
Display – Colors 4.3” TFT 16:9 – 64K
Resolution 480×272
Brightness 200 Cd/m2 typ.
Dimming Yes
Touchscreen Resistive
CPU ARM Cortex-A8 – 300 MHz
Operating System Linux 3.12
Flash 2 GB
RAM 256 MB
Real Time Clock, RTC Back-up, Buzzer Yes
Ethernet port 1 (port 0 – 10/100)
USB port 1 (Host v. 2.0, max. 500 mA)
Serial port 1 (RS-232, RS-485, RS-422, software configurable)
SD card No
Expansion No
Power supply 24 Vdc (10 to 32 Vdc)
Current Consumption 0.25 A max. at 24 Vdc
Input Protection Automatic
Battery Yes (Supercapacitor)
Environment Conditions
Operating Temp 0 to 50 °C (vertical installation)
Storage Temp -20°C to +70°C
Operating / Storage Humidity 5-85% RH, non condensing
Protection Class IP66, Type 2 and 4X (front); IP20 (rear)
Dimensions and Weights
Faceplate LxH 147×107 mm (5.78×4.21“)
Cutout AxB 136x96 mm (5.35x3.78")
Depth D+T 29+5 mm (1.14+0.19”)
Weight Approx 0.4 Kg
CE Emission EN 61000-6-4, Immunity EN 61000-6-2 for installation in industrial environments Emission EN 61000-6-3, Immunity EN 61000-6-1 for installation in residential environments
UL cULus: UL508

Ordering Information

+ESMA04U301 4” widescreen TFT color touchscreen with Ethernet and USB interfaces. JMobile runtime.
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