It defines the testing and reporting of the step response of control valves that are used in throttling closed-loop control applications. A control valve consists of the complete, ready-to-use assembly of the control valve body, the actuator, and any required accessories. The most probable accessory is a valve positioner. It defines how to test, measure, and report control valve response characteristics in an open-loop environment. This information can be used for process control applications to determine how well and how fast the control valve responds to the control valve input signal.
The contents of the corrigendum of June 2008 have been included in this copy.
PUBLISHED
IEC 60534-9:2007 ED1
60.60
Standard published
Sep 10, 2007
PUBLISHED
IEC 60534-9:2007/COR1:2008 ED1