Ex i Separation by Means of Isolators Fast and Safe Integration of Ex i Isolators

For the simple installation and wiring of isolators on I / O cards in automation systems, the explosion protection expert R. Stahl offers a space-saving integration solution with the Pac-Carrier 9295: According to the manufacturer, this reduces the installation time thanks to the tool-free assembly of the Ispac -Separation levels by up to 40 %.

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R. Stahl is now offering the pac-Carrier 9295 – a new, space-saving integration solution for the company's 12 mm Ispac Ex i isolators. This significantly simplifies the installation and wiring of isolators to I/O cards in automation systems from all manufacturers. Prefabricated connecting cables reduce the risk of wiring errors. At the same time, the installation time is reduced by up to 40 % thanks to the tool-free mounting of the Ispac isolators, states the company.

This integration solution is particularly suited for projects involving a high number of channels. The new pac-Carriers are available in 8- and 16-slot versions, thereby enabling up to 32 signals to be connected. The variant with 8 slots is just 110 mm wide. Even an additional HART multiplexer coupling only requires 36 mm of extra space. The 16-slot version further increases the channel density.

The Ispac devices and the pac-Carriers are approved for use in Zone 2 and therefore ideal for seamless use in decentralized installations. The pac-Carrier can also be used for functional safety applications up to SIL 3. The design of the pac-Carrier stands out thanks to its robust, vibration-resistant construction. It is securely connected to the DIN rail or can be installed directly on a mounting plate. The engaged Ispac modules are secured on the pac-Carrier at two points. According to the firm, this guarantees excellent mechanical robustness, even in harsh industrial environments with strong vibrations. The complete solution is suitable for a wide temperature range that spans -40 °C to +70 °C, depending on the version.

A redundant connection to two 24 V DC power supplies, which improves availability, is optionally available. If one of the two supplies fails, uninterrupted operation of the Ispac modules is therefore guaranteed, adds the company.

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