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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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