User Manual

v
IM 21B04C01-01E
17. IS Function Block ................................................................................... 17-1
17.1 IS Function Block Schematic ........................................................................17-1
17.2 Input Section ...................................................................................................17-3
17.2.1 Mode Handling ................................................................................17-3
17.2.2 MIN_GOOD Handling .....................................................................17-3
17.3 Selection .........................................................................................................17-4
17.3.1 OP_SELECT Handling ................................................................... 17-4
17.3.2 SELECTION Handling .................................................................... 17-5
17.4 Output Processing ....................................................................................... 17-11
17.4.1 Handling of SELECTED ................................................................ 17-11
17.4.2 OUT Processing ............................................................................17-12
17.4.3 STATUS_OPTS ............................................................................17-13
17.5 Application Example ....................................................................................17-13
18. AR Function Block ................................................................................. 18-1
18.1 AR Function Block Schematic ...................................................................... 18-1
18.2 Input Section ...................................................................................................18-2
18.2.1 Main Inputs ...................................................................................... 18-2
18.2.2 Auxiliary Inputs ................................................................................18-2
18.2.3 INPUT_OPTS .................................................................................18-3
18.2.4 Relationship between the Main Inputs and PV ............................... 18-3
18.3 Computation Section .....................................................................................18-3
18.3.1 Computing Equations ..................................................................... 18-3
18.3.2 Compensated Values ......................................................................18-4
18.3.3 Average Calculation ........................................................................18-4
18.4 Output Section ............................................................................................... 18-4
18.4.1 Mode Handling ................................................................................18-4
18.4.2 Status Handling ...............................................................................18-5
19. Diagnostics ............................................................................................. 19-1
19.1 Overview ..........................................................................................................19-1
19.2 Integration Functions ..................................................................................... 19-1
19.3 Signature Measurement Functions ..............................................................19-2
19.3.1 Signature Measurement Procedure ................................................19-2
19.3.2 Signatures and Relevant Parameters .............................................19-3
19.3.3 Signature Measuring Result ............................................................19-4
20. Troubleshooting ..................................................................................... 20-1
20.1 What to Do First ...............................................................................................20-1
20.2 Troubleshooting Communications ...............................................................20-1
20.3 Troubleshooting Function Block Parameters .............................................20-1
20.4 Troubleshooting Valve Control .....................................................................20-2
20.5 Troubleshooting Auto Tuning ........................................................................ 20-3
20.6 Troubleshooting Position, Pressure, and Temperature Sensors .............. 20-3