Switching And Switch-Back Characteristics - GEM 3140 Operating Instructions Manual

12.2 Switching and switch-back characteristics

Pressure P
SP
Hyste-
resis
(SP-rP)
rP
Ou make contact
Hno
1
0
Ou make contact
Hnc
1
0
Fig. 2: Switching and switch-back characteristics for the hyster-
esis function in the pressure-time diagram
Pressure P
SP
Hysteresis
(SP-rP)
rP
Ou make contact
Hno
1
dS dR
dS
0
Ou break contact
Hnc
1
0
Fig. 3: Switching and switch-back delay for the hysteresis func-
tion in the pressure-time diagram
Pressure P
FH
Pressure window
FL
Time t
Ou make contact
Fno
1
0
Ou break contact
Fnc
1
0
Time t
Fig. 4: Switching and switch-back characteristics for the win-
dow function in the pressure-time diagram
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Time t
Time t
Time t
Time t
Time t
Time t
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12 Operation
GEMÜ 3140