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Ineos Koln (Germany, Cologne) is using the Himax safety system for remote monitoring of safety technology at its factory.

The challenge in this application is the length of the optical fibre used for high-speed data transmission.

The plant produces cyclopentane, isopentane and methyl propadiene.

The safety functions are performed by two existing HIMA H51q safety controllers that serve as ESD systems for controlling loading (non-redundant) and quick stops (redundant).

Operation and visualisation of the safety technology was implemented using Himax to ensure that the controller level and safety level were separate.

Hima installed the Himax safety system.

The job included engineering work, programming the visualisation of the touch panels and the Himax controller, the factory acceptance testing (FAT) and commissioning the system.

According to Ineos Koln, the project was executed professionally, with every quality and schedule target met.

Since commissioning, the Himax system has been running without incident and to the operator’s full satisfaction.

Himax allows the existing optical fibres to be used for remote data transmission, which involves a redundant distance of slightly longer than one kilometre.

The Himax system includes a redundant master CPU and a remote module, which communicate with one another via optical fibres.

The system handles around 140 I/O signals.

The use of optical fibre technology enables fast and secure data exchange between the two Himax components.

The H51q controllers are connected to the Himax system via Modbus TCP.

Two TFT touch panels in the control room operate and activate the safety system.

Hima structured the visualisation so that the control-room team – experienced with panel displays only – would quickly get used to the system.

Hima Paul Hildebrandt

HIMA Paul Hildebrandt GmbH Co KG – safety-related automation solutions for process, machine and building safety HIMA solutions, whether for critical safety applications in the process industry, in machine or in building automation, protect people, assets and the environment in more than 80 countries around the globe.


What distinguishes HIMA solutions from the rest, is the combination of maximum safety and maximum availability. Only through permanent safety and uninterrupted operation are HIMA’s clients able to achieve their business goals.


HIMA solutions are based on practically-focused safety consulting, wide-ranging application experience, a comprehensive product range and the ability to successfully integrate safety solutions into almost any automation environment.


All HIMA systems and solutions comply with the latest international and local safety standards like IEC 61508 and IEC 61511, EN 954, EN ISO 13849 and are suitable for SIL 3 and even SIL 4, Cat. 4 and PL e applications.


Further Information about HIMA can be found online

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