Increased flexibility through macro technology

SPS Increased flexibility through macro technology

2024-10-07 Source: Press release Sigmatek | Translated by AI 1 min Reading Time

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With the Sigmatek Safety CPU SCP 211, customer-specific macro libraries and parameter lists for safety applications can now be created on the software side. This significantly reduces engineering effort.

The Sigmatek Safety CPU SCP 211 offers fast processing speed and extensive memory.(Image: Sigmatek GmbH & Co. KG) — The Sigmatek Safety CPU SCP 211 offers fast processing speed and extensive memory.
(Image: Sigmatek GmbH & Co. KG)

A programmable safety system is essential for developing machines and systems in a modular, economical, and timely manner. With the [SCP 211](https://www.sigmatek-automation.com/de/produkte/io-systeme/s-dias/safety/scp-211/), Sigmatek offers a very powerful Safety-CPU that supports new software functionalities which simplify the creation and handling of safety applications. The safety development is carried out in the Lasal Safety Designer based on certified function blocks that are aligned with PLCopen.

Create custom macro libraries

Following the model of object-oriented programming, which has shaped Sigmatek controls on the application side for 25 years, it is now possible to create customer-specific macro libraries for safety applications. What is special about the Lasal Safety macros is that they can be structured in multiple hierarchical levels. Each macro is encapsulated and can be tested independently, as it has its own CRC checksum. This significantly reduces the effort required for overall testing to obtain certifications.

The Lasal Safety Designer offers developers of safety-oriented applications the ability to make them fully parametric and thus very flexible. This means that it is sufficient to create only one safety application for a machine or plant with numerous options, which applies to all equipment variants.

Parameter lists as an engineering turbo

The parameterization, i.e., the adaptation to the—often customer-specific—actual machine, is done via a parameter list. Like the application itself, the parameter list is also protected. To ensure security, password-protected mechanisms are used when transferring the lists to set different equipment variants.

By automating test processes through test programs that run in the sequence control, the development effort for machines with many variants is greatly reduced. Together with the hot-plug capability, the parameterization of the safety control during runtime enables extraordinarily flexible operation of modular machines and systems.

“This article was first published on our sister portal "konstruktionspraxis" (German Edition), Vogel Communications Group.“

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