Samson 373 Series Operating Instructions

Overview of functions
Throttling service
On/off service
No conguration
required for
monitoring
Valve position x
histogram
Section4.3
B
Set point devia-
tion histogram
Section4.4
B
Cycle counter
histogram
Section4.5
B
Drive signal di-
agram, steady-
state
Section4.6
Section5.1
B
T
Trend of travel
end position
Section4.8
B
Conguration re-
quired for diagnosis
Data logger
Section4.2
B
Stufng box
Section4.5
B
Drive signal dia-
gram, steady-
state
Section5.1
T
Drive signal dia-
gram hysteresis
Section4.7
Section5.2
B
T
Static
characteristic
Section5.3
T
Full stroke test
(FST)
Section5.5
T
Leakage sensor
Section7
T
No conguration
required for
monitoring
Valve position x
histogram
Section4.3
B
Set point devia-
tion histogram
Section4.4
B
Cycle counter
histogram
Section4.5
B
Trend of travel
end position
Section4.8
B
Conguration
required for
diagnosis
On/off
diagnosis
Section4.1
B
Data logger
Section4.2
B
Stufng box
Section4.5
B
Static
characteristic
Section5.3
T
Partial stroke
test (PST)
Section5.4
B
T
Full stroke test
(FST)
Section5.5
T
Leakage sensor
Section7
T
Information:
− B = Statistical information (in-service monitoring) , T = Tests (out-of-service diagnostics)
− Tests highlighted in red border require an initialization with reference test
− 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.

Samson 373 Series Specifications

General

Brand	Samson
Model	373 Series
Category	Valve Positioners
Language	English