Samson 373 Series Operating Instructions

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

Samson 373 Series Specifications

General

Brand	Samson
Model	373 Series
Category	Valve Positioners
Language	English