Samson 3730-3 Operating Instructions Manual page 18

Operation
Diagnostic
functions
Tests
Drive signal
diagram, steady-
state
Drive signal
diagram hysteresis
Static
characteristic
Partial stroke test
(PST)
Full stroke test
(FST)
Leakage
sensor
1), 2), 3), 4), 5)
• Full scope of functions
¡ Function is performed, but not analyzed
– Function is not performed
18
Open/
Close
Control (on/off)
valve valve
1)
• •
• •
• •
• •
• •
• •
Analysis
Air supply
Leakage pneumatics
Actuator springs
Friction
Dead band
Overshooting
Dead time
T63
T98 (Types 3730-2/-4/-5,
Types 3731-3/-5)
Rise time
Settling time
Overshooting
Dead time
T63
T98 (Types 3730-2/-4/-5,
Types 3731-3/-5)
Rise time
Settling time
Inner (seat) leakage
Not Type 3730-4
1)
Not Type 3730-5 (1.5x)
2)
Not Type 3730-5 (1.6x)
3)
Not Type 3731-3
4)
Not Type 3731-5
5)
See section
5.1, page 63
5.2, page 67
5.3, page 70
5.4, page 75
5.5, page 85
7, page 93
EB 8389 EN