Yokogawa FVX110 Bedienungsanleitung Seite 6

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v
IM 01S01C01-01EN
Appendix 5. PID Block ...................................................................................A5-1
A5.1 Function Diagram .......................................................................................... A5-1
A5.2 Functions of PID Block .................................................................................. A5-1
A5.3 Parameters of PID Block ............................................................................... A5-2
A5.4 PID Computation Details ............................................................................... A5-5
A5.4.1 PV-proportional and -derivative Type PID (I-PD) Control Algorithm
.........................................................................................................A5-5
A5.4.2 PID Control Parameters ...................................................................A5-5
A5.5 Control Output ................................................................................................ A5-5
A5.5.1 Velocity Type Output Action .............................................................A5-5
A5.6 Direction of Control Action ........................................................................... A5-5
A5.7 Control Action Bypass .................................................................................. A5-6
A5.8 Feed-forward .................................................................................................. A5-6
A5.9 Block Modes ................................................................................................... A5-6
A5.9.1 Mode Transitions ..............................................................................A5-6
A5.10 Bumpless Transfer ......................................................................................... A5-7
A5.11 Setpoint Limiters ............................................................................................ A5-7
A5.11.1 When PID Block Is in Auto Mode .....................................................A5-7
A5.11.2 When PID Block Is in Cas or RCas Mode .......................................A5-7
A5.12 External-output Tracking .............................................................................. A5-8
A5.13 Measured-value Tracking .............................................................................. A5-8
A5.14 Initialization and Manual Fallback (IMan) .................................................... A5-8
A5.15 Manual Fallback ............................................................................................. A5-9
A5.16 Auto Fallback .................................................................................................. A5-9
A5.17 Mode Shedding upon Computer Failure ..................................................... A5-9
A5.17.1 SHED_OPT......................................................................................A5-9
A5.18 Alarms ........................................................................................................... A5-10
A5.18.1 Block Alarm (BLOCK_ALM) ...........................................................A5-10
A5.18.2 Process Alarms ..............................................................................A5-10
A5.19 Example of Block Connections .................................................................. A5-10
A5.20 View Object for PID Function Block ............................................................A5-11
Appendix 6. Multiple Analog Output (MAO) Block ....................................A6-1
A6.1 Function Block Diagram ............................................................................... A6-1
A6.2 Block Mode ..................................................................................................... A6-2
A6.3 Fault State ....................................................................................................... A6-3
A6.3.1 Transition to Fault State ...................................................................A6-3
A6.3.2 Clearing a Fault State ......................................................................A6-3
A6.3.3 Fault State Operation .......................................................................A6-3
A6.4 Status Transitions .......................................................................................... A6-4
A6.5 Parameter list display .................................................................................... A6-4
Appendix 7. Link Master Functions .............................................................A7-1
A7.1 Link Active Scheduler.................................................................................... A7-1
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