Manual
v
IM 01C25R03-01E
A4.5  List of the Arithmetic Block Parameters ..................................................... A4-6
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 ............................................................................... A5-4
A5.4.1   PV-proportional and -derivative Type PID (I-PD) Control Algorithm 
 .........................................................................................................A5-4
A5.4.2  PID Control Parameters ...................................................................A5-4
A5.5  Control Output ................................................................................................ A5-4
A5.5.1  Velocity Type Output Action .............................................................A5-4
A5.6  Direction of Control Action ........................................................................... A5-4
A5.7  Control Action Bypass .................................................................................. A5-5
A5.8  Feed-forward .................................................................................................. A5-5
A5.9  Block Modes ................................................................................................... A5-5
A5.9.1  Mode Transitions ..............................................................................A5-5
A5.10  Bumpless Transfer ......................................................................................... A5-6
A5.11  Setpoint Limiters ............................................................................................ A5-6
A5.11.1  When PID Block Is in Auto Mode .....................................................A5-6
A5.11.2  When PID Block Is in Cas or RCas Mode .......................................A5-6
A5.12  External-output Tracking .............................................................................. A5-7
A5.13  Measured-value Tracking .............................................................................. A5-7
A5.14  Initialization and Manual Fallback (IMan) .................................................... A5-7
A5.15  Manual Fallback ............................................................................................. A5-8
A5.16  Auto Fallback .................................................................................................. A5-8
A5.17  Mode Shedding upon Computer Failure ..................................................... A5-8
A5.17.1  SHED_OPT......................................................................................A5-8
A5.18  Alarms ............................................................................................................. A5-9
A5.18.1  Block Alarm (BLOCK_ALM) .............................................................A5-9
A5.18.2  Process Alarms ................................................................................A5-9
A5.19  Example of Block Connections .................................................................... A5-9
A5.20  View Object for PID Function Block ........................................................... A5-10
Appendix 6.  Link Master Functions .............................................................A6-1
A6.1  Link Active Scheduler.................................................................................... A6-1
A6.2  Link Master ..................................................................................................... A6-1
A6.3  Transfer of LAS .............................................................................................. A6-2
A6.4  LM Functions .................................................................................................. A6-3
A6.5  LM Parameters ............................................................................................... A6-4
A6.5.1  LM Parameter List ............................................................................A6-4
A6.5.2  Descriptions for LM Parameters ......................................................A6-6
A6.6  FAQs ................................................................................................................ A6-8










