Flowserve Logix MD+ ValveSight - Manual (Page 161)

ValveSight™ Diagnostics DTM Manual for Logix MD+ Positioner with HART®
FCD- LGENSF0014-00
© Flowserve Corporation
161
Step Test
The Step Test page allow you to adjust settings and run a step test. Step tests are a
powerful tool for bench testing valves in a shop or installed valves that are not in service
and can be fully or partially stroked. By stepping the valve with a known step size and
monitoring the response, changes over time can be noted and used to pinpoint developing
or existing problems.
CAUTION: During a test the valve will not respond to control signals and movement of the
valve stem will occur.
Status Area
The Active Indicator area shows the status of the most relevant active indicator. The color