Table of Contents
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Figures
9-1
Calling Up the OB251 PID Algorithm . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-2
Block Diagram of the PID Controller
9-3
Principle of Interval Sampling . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-4
Process Schematic . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-5
List of S5-95F Self-Test Components
9-6
DB1 with Default Parameters . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Tables
9-1
Overview of Organization Blocks
9-2
Restrictions of the STEP 5 Commands in Various Blocks
9-3
Legend for the Block Diagram of the PID Controller (Figure 9-2)
9-4
Description of the Control Bits in Control Word "STEU"
9-5
Format of the Controller DB
9-6
Calling and Parameter Assignments of FB240
9-7
Calling and Parameter Assignments of FB241
9-8
Calling and Parameter Assignments of FB242
9-9
Calling and Parameter Assignments of FB243
9-10 Calling and Parameter Assignments of FB252
9-11 Execution Times of FB252 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9-12 Parameter Blocks and Their IDs (S5-95F)
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EWA 4NEB 812 6210-02
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