Industrial Process Control Systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs (IEC 65B/766/CDV:2011); German version FprEN 61514-2:2011
Industrial process control systems - Part 2: Methods of evaluating the performance of intelligent valve positioners with pneumatic outputs mounted on an actuator valve assembly (IEC 61514-2:2013); German version EN 61514-2:2013— 41 стр.