IGW/935: Web Application Gateway

Web Application Gateway IGW/935 with SSV/WebUI Framework

With the IGW/935, data from a wide variety of sources can be received, processed and forwarded to various devices.

The IGW/935 is particularly suitable for the visualization of data, which can be sent directly to a display via, for example, the DVI/HDMI interface.

The integrated SSV/WebUI framework helps to adapt the display of the data on the user interface to the respective end device – such as PC, smartphone or tablet.

Since the framework only uses standard web technologies such as HTTP(S), HTML, CSS, JavaScript and REST-based web services, there is no need to learn a proprietary programming language. Every professional web developer has the necessary expertise to be able to adapt the user interface to their own conditions in a short amount of time.

Software & Security

The IGW/935 is equipped with the necessary software to develop or operate individual web-based visualizations: Web server (lighttpd 1.4.26 with SSL support) and web browser (WebKitGTK+ with HTML5, CSS3, JavaScript support), (S)FTP-/TFTP server as well as an environment for Python, PHP and Java (JamVM 1.5.4, Classpath 0.98).

The SSV Field Data Engine (FDE), which is also included, takes care of collecting and distributing the data – either via TCP, Modbus, OPC UA or other protocols.

To ensure a high level of security, the IGW/935 offers a firewall, SSH, OpenVPN and OpenSSL (with SSL/TLS).

AutoIP and UPnP are also on board for easy integration of the IGW/935.

All software functions of the IGW/935 can be conveniently configured with the SSV WebConfig tool.

Apps for the IGW/935

To extend the range of functions, we provide various apps for the IGW/935 free of charge. Some of the apps we offer require a license, which you can request through our sales department.

eSOM/3517 as Embedded Engine

The heart of the IGW/935 is the eSOM/3517 with a Texas Instruments AM3517 32-bit ARM Cortex-A8 SoC running at 600 MHz. The AM3517 has a sophisticated graphics subsystem with OpenGL ES API and 3D support.

In combination with the internal LCD controller, very high-quality and high-performance user interfaces for medium and high-resolution LCDs with LVDS interface can be realized.


  • 32-bit ARM Cortex-A8 SoC @600 MHz
  • Linux OS with VPN and Firewall
  • 1x 10/100 Mbps Ethernet LAN1
  • 1x USB 2.0 Host
  • 1x DVI/HDMI
  • 1x RS485
  • 1x Real Time Clock
  • 12-24 VDC supply voltage
  • DIN rail mounting
  • IEC 61850 protocoll support (optional)


I/O extension IO/5640


To extend the range of functions of the IGW/936-L, we offer various apps.

App Download


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30419 Hannover

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