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S5-90U/S5-95U
Contents
Page
8.4
Condition Code Generation
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
- 69
8.5
Sample Programs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
- 71
8.5.1
Momentary-Contact Relay (Edge Evaluation)
. . . . . . . . . . . . . . . . . . . .
8
- 71
8.5.2
Binary Scaler (Binary Divider) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
- 71
8.5.3
Clock (Clock-Pulse Generator)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8
- 73
9
Integrated Blocks and Their Functions
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 1
9.1
Integrated Organization Blocks (OBs)
. . . . . . . . . . . . . . . . . . . . . . . . .
9
- 1
9.1.1
Cyclic Program Execution (OB1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 2
9.1.2
Interrupt-Driven Program Execution (OB3) . . . . . . . . . . . . . . . . . . . . . .
9
- 3
9.1.3
Time-Controlled Program Execution (OB13; for S5-95U only)
. . . . . . . .
9
- 3
9.1.4
Restart Processing (OB21, OB22)
. . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 5
9.1.5
Retriggering the Scan Time (OB31; for S5-95U only)
. . . . . . . . . . . . . .
9
- 6
9.1.6
Procedure after Battery Failure (OB34; for S5-95U only)
. . . . . . . . . . . .
9
- 7
9.1.7
OB251 PID Algorithm (for S5-95U only)
. . . . . . . . . . . . . . . . . . . . . . .
9
- 8
9.2
Integrated Function Blocks (FBs)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 20
9.2.1
Code Converter : B4 - FB240 -
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 20
9.2.2
Code Converter : 16 - FB 241-
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 21
9.2.3
Multiplier : 16 - FB242 -
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 22
9.2.4
Divider : 16 - FB243 -
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 23
9.2.5
Reading of Analog Values (FB250)
. . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 24
9.2.6
Output of Analog Values (FB251)
. . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 24
9.3
Integrated Sequence Block 2 (SB2)
. . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 24
9.4
Integrated Data Block 1 (DB1)
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 25
9.4.1
Parameter Blocks
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9
- 26
9.4.2
Rules to Observe When Generating DB1
. . . . . . . . . . . . . . . . . . . . . .
9
- 27
9.4.3
Transferring DB1 Parameters to the Programmable Controller
. . . . . . .
9
- 30
9.4.4
Procedure for Parameterizing the PLC
. . . . . . . . . . . . . . . . . . . . . . . .
9
- 30
9.4.5
How to Recognize and Correct Parameter Errors
. . . . . . . . . . . . . . . . .
9
- 31
10
Onboard Interrupt Inputs
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 - 1
10.1
Setting Parameters for Interrupt Inputs in DB1
. . . . . . . . . . . . . . . . . . .
10 - 1
10.2
Interrogating the Cause for an Interrupt in the Diagnostic Byte
. . . . . . . .
10 - 2
10.3
Interrupt Priority
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
10 - 4
10.4
Calculating Interrupt Reaction Times . . . . . . . . . . . . . . . . . . . . . . . . . .
10 - 7
EWA 4NEB 812 6115-02b
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Содержание SIMATIC S5-90U
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