Industrial process control systems - part 2 : methods of evaluating the performance of intelligent valve positioners with pneumatic outputs iec 61514 - 2 : 2004 ; german version en 61514 - 2 : 2004 工業(yè)過程控制系統(tǒng).第2部分:帶氣動輸出的智能閥定位器
Industrial - process control valves - part 6 - 2 : mounting details for attachment of positioners to control valves - positioner mounting on rotary actuators iec 60534 - 6 - 2 : 2000 ; german version en 60534 - 6 - 2 : 2001 工業(yè)過程控制閥.第6 - 2部分:控制閥定位器安裝細(xì)則.旋