Introducing a way to understand the flight-style (unofficial) specifications of each category in SO13849-1 architecture!
Among the four items that determine the Performance Level (PL) of ISO13849-1, there is the category (Categories). It is divided into five levels: B, 1, 2, 3, and 4, according to the specified architecture, with the required safety functions becoming stricter at each level. This is a simplified (informal) method to understand the safety levels of the specified architecture. In this document, we will convey a simple way to understand the surface aspects of this safety category using airplanes. [Contents] ■ Category B ■ Category 1 ■ Category 2 ■ Category 3 ■ Category 4 *For more details, please refer to the PDF document or feel free to contact us.
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Ross Asia Co., Ltd. is the Japanese subsidiary of the American company Ross Controls (established in December 1973). Since its founding in 1921 as a manufacturer of pneumatic equipment, Ross Controls has been widely adopted across various industrial sectors. Celebrating its 100th anniversary in 2021, the company now has manufacturing and sales bases in the United States, Germany, France, the United Kingdom, Japan, China, Brazil, India, and Canada, providing ISO-compliant products and products that meet safety standards in various countries. Ross Asia covers the Asian region excluding China and India, manufacturing, selling, and servicing Ross products in response to the safety requirements of key industries in each country. (ISO 9001 certified) [About Ross Controls] Based in Ferndale, Michigan, Ross designs and manufactures pneumatic valves and control systems and is globally recognized as a leader in fluid power safety solutions and poppet valve technology. Ross offers standard and customized ROSS/FLEX solutions for industrial machinery and automation applications. Keywords: Ross Asia, machine safety, pneumatic safety, hydraulic safety
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