6
EB 8389-1S EN
Overview
Throttling service
On/off service
No configuration
required for
monitoring
Travel histogram
u
Set point deviation
histogram e
u
Cycle counter
histogram
u
Course of end
position
u
Configuration
required for
diagnosis
Data logger
u
Valve signature
u
Packing
u
Leakage sensor
u
Valve dead band
u
Full stroke test (FST)
u
No configuration
required for
monitoring
Travel histogram
Set point deviation
histogram e
Cycle counter
histogram
Course of end
position
Configuration
required for
diagnosis
Data logger
u
On/off diagnosis
u
Packing
u
Leakage sensor
u
Valve dead band
u
Partial stroke test
(PST)
u
Full stroke test (FST)
u
Note:
−
Tests highlighted in red border require an initialization with valve signature
−
Tests highlighted in gray can optimize the proper functioning of safety equipment according to IEC 61508 and IEC 61511,
provided these tests are performed regularly.