Pneumatic fluid power systems. Directional control valves. Specification of pin assignment for 8 mm and 12 mm diameter electrical round connectors— 14 стр.
Low-voltage switchgear and controlgear. Control circuit devices and switching elements. Requirements for proximity devices with defined behaviour under fault conditions (PDDB)— 36 стр.
Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2015); German version EN ISO 13849-1:2015— 113 стр.
Safety of machinery - Safety-related parts of control systems - Part 1: General principles for design (ISO 13849-1:2006); German version EN ISO 13849-1:2008— 102 стр.
Low-voltage switchgear and controlgear - Part 5-3: Control circuit devices and switching elements - Requirements for proximity devices with defined behaviour under fault conditions (PDDB) (IEC 60947-5-3:2013) (english version)