STW, based in Kaufbeuren, Germany, has issued a new safety release for their ESX.3xm and ESX.3xl electronic control units. This new software package enables customers to create functional safety applications on these control units using CODESYS V3.5 with the IEC61131 PLC programming languages. Additionally, these ESX-3 control units have now been integrated in the openSYDE Lifecycle suite.

This new functionality significantly increases the usability of the ESX.3xm and ESX.3xl. Those mobile machine manufacturers and system developers who prefer programming in C can naturally continue to do so, while those that prefer PLC programming languages now have a certified CODESYS solution as a user-friendly option. The control units and the programming suites have been certified for safety relevant applications by TÜV SÜD according to EN ISO 13849 (to Performance Level PL d) and EN 61508 (Safety Integrity Level 2, or SIL2).

Further improvements in this release include support for alternative Flash ROMs, support for Windows 10, and integration of the openSYDE flash loaders. The tried and tested KEFEX flash loader can still be used. openSYDE is the new STW framework and software suite for the implementation, analysis, maintenance and documentation of functions, data and programming in the new generation STW control systems. With the addition of openSYDE functionality for the ESX.3xm and ESX.3xl users have more flexibility and usability throughout the control system lifecycle, and access to a greater range of control units within openSYDE.

The ESX-3 control unit hardware incorporates a second independent processor that supervises the system power supply and program flow in the main processor. When necessary, this processor can turn off all outputs through a second shut-off path, and it can reset the main processor and thereby the control unit. These features help ensure that the hardware can fulfill the requirements of functional safety.

The two control units share the same architectural concept: A robust cast aluminium housing with automotive connector, a fast 32-bit microcontroller with 6 MB Flash and 4MB SRAM, 4 CAN interfaces, a serial port, buzzer and multiple LEDs. Additionally, to CAN and RS232, there are USB, Ethernet and LIN communication interfaces available as options.

Über die (STW) Sensor-Technik Wiedemann GmbH

As an internationally-active company with its headquarters in Kaufbeuren, we have stood for the digitalization, automation and electrification of mobile machines for 35 years now. With our generic or customer-specific products, systems and solutions, which are developed and produced in Germany, we support our customers in their goal to make their machines the best in the world through innovative technology.

Supplemented by partner products and accompanied by our training, support and system teams, we assist medium-sized companies and large OEMs in increasing the performance and efficiency and also the safety of their machines. Through the communication between the machines and the networking with cloud platforms and partner services, we facilitate the integration of mobile machines into business processes.

We are an independent company, we support our employees and we are aware of our responsibilities towards the environment and the society. Together with our clients and partners we participate actively in important future-related topics: the Internet of Things (IoT) and the Industry 4.0 initiative, (semi)autonomous driving and working and e-mobility.

Firmenkontakt und Herausgeber der Meldung:

(STW) Sensor-Technik Wiedemann GmbH
Am Bärenwald 6
87600 Kaufbeuren
Telefon: +49 (8341) 9505-0
Telefax: +49 (8341) 9505-55

Sensor-Technik Wiedemann GmbH
Telefon: +49 (8341) 9505-0
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