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Position Measuring System
16.2.3. Autotune sequence
Autotune 1:
Single seat valves NC,
Butterfly valves NC,
Double seat valves without liftable lower valve disc
Control
Effect on the process valve
Internal program
Error
T2 + T3
Autotune mode starts
T1
Autotune 1 starts
Closed position
Teach
T1
Valve opening
Activate
V1
Wait period
10s
Open position
Teach
T2
Valve closing
Deactivate
V1
Valve closes
Wait on position S1
S1
Timeout 15s
Autotune mode
completed
Autotune 2:
Single seat valve NO
Butterfly valves NO
Control
Effect on the process valve
Internal program
Error
T2 + T3
Autotune mode starts
T2
Autotune 2 starts
Open position
Teach
T2
Valve closing
Activate
V1
Wait period
10s
Closed position
Teach
T1
Valve opening
Deactivate
V1
Valve opens
Wait on position S2
S2
Timeout 15s
Autotune mode
completed
Autotune 3:
Double seat valves with liftable lower valve disc
Control
Effect on the process valve
Internal program
Error
T2 + T3
Autotune mode starts
T3
Autotune 3 starts
Closed position
Teach
T1
Valve opening
Activate
V1
Wait period
10s
Open position
Teach
T2
Valve closing
Deactivate
V1
Valve closes
Wait on position S1
S1
Timeout 15s
Open lower lift function
Activate
V2
Wait period
10s
Lower lift function
Teach
T3
Valve closing
Deactivate
V2
Valve closes
Wait on position S1
S1
Timeout 15s
Autotune mode
completed
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Содержание 2307193
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