Conversion Blocks; Arithmetic Blocks; Data Handling Blocks; The Integral "Compr" Block - Siemens SIMATIC S5-115U User Manual

Simatic s5 series cpu 941-7ub11 cpu 942-7ub11 cpu 943-7ub11 and cpu 943-7ub21 cpu 944-7ub11 and cpu 944-7ub21
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11
Integral Blocks
11.1
Integral Function Blocks

11.1.1 Conversion Blocks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

11.1.2 Arithmetic Blocks

11.1.3 Data Handling Blocks

11.1.4 The Integral "COMPR" Block . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 28

11.1.5 Integral FB "DELETE" . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 30

11.2

Organization Blocks

11.2.1 OB31 Scan Time Triggering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 32

11.2.2 OB160 Variable Time Loop . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 32

11.2.3 OB251 PID Control Algorithm

11.2.4 OB254 Read In Digital Input Modules (CPU 944 Only)

11.2.5 OB255 Transfer the Process Output Image (PIQ) to the
Output Modules (CPU 944 Only) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11- 45
11.3
DB1: Initializing Internal Functions
11.3.1 Configuration and Default Settings for DB1
11.3.2 Setting the Addresses for the Parameter Error Code in DB1
(An example of how to set the parameters correctly)
11.3.3 How to Assign Parameters in DB1
11.3.4 Rules for Setting Parameters in DB1
11.3.5 How to Recognize and Correct Parameter Errors
11.3.6 Transferring the DB1 Parameters to the PLC . . . . . . . . . . . . . . . . . . . . 11- 53
11.3.7 Reference Table for Initializing DB1
11.3.8 DB1 Programming Example
EWA 4NEB 811 6130-02b
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11- 2
11- 3
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