Siemens 7 Manuel d'utilisateur Page 4
- Page / 164
- Table des matières
- MARQUE LIVRES
Noté. / 5. Basé sur avis des utilisateurs
4 Publication LOGIX-AP008B-EN-P - June 2008
Table of Contents
Logix Ladder Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Logix Structured Text . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54
Logix Function Block Diagram. . . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Logix Sequential Function Chart . . . . . . . . . . . . . . . . . . . . . . . . . . 55
Conversion of STEP 7 Code to Logix . . . . . . . . . . . . . . . . . . . . . . 55
Arrays not Pointers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56
Add-On Instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Add-On Instruction Summary . . . . . . . . . . . . . . . . . . . . . . . . . . . . 57
Backing Tags . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58
The Common Industrial Protocol (CIP). . . . . . . . . . . . . . . . . . . . . . . . 58
Viewing the Network. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59
Data Exchange between Controllers. . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Send / Receive in STEP 7. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60
Produced / Consumed Tags in Logix. . . . . . . . . . . . . . . . . . . . . . . 60
User-Defined Data Types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61
Asynchronous I/O Updating . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
The DINT Data Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62
Phase Manager . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Phase Management in STEP 7 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
PhaseManager in Logix . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63
Coordinated System Time (CST). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Timestamped Inputs . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
Scheduled Outputs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65
No Temporary Variables . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 66
No Accumulators or Special Registers needed. . . . . . . . . . . . . . . . . . . 66
Chapter 3
Conversion of System Software
and Standard Functions
Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 67
Logix System Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Copy . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 68
Date and Time Setting and Reading . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Read System Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69
Handling of Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Errors . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 70
Status – Controller . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Status – Module. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 71
Status – for OBs and Tasks . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Timers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72
Conversion Routines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
String Handling Routines. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73
Examples of System Function Calls . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Setting the Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 74
Disabling Interrupts. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 76
Read System Time . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 78
Get Faults. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 79
Module Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 80
- Simatic S7 to Logix5000 1
- Application Conversion Guide 1
- Important User Information 2
- Table of Contents 3
- Chapter 3 4
- Conversion versus 7
- Translation 7
- Terminology 8
- Additional Resources 8
- PLC Logic Conversion 9
- Services Provided by 9
- Service Benefits 10
- Services Offered 10
- Basic Conversion Package 10
- Additional Options 11
- Preface 12
- Hardware Conversion 13
- I/O Systems 14
- Logix Local I/O 16
- S7 Remote I/O 20
- Logix Distributed I/O 22
- Networks 25
- Profinet 26
- Networks in Logix 27
- Typical Ethernet/IP Example 28
- ControlNet Network 29
- DeviceNet Network 30
- Conversion of HMI 31
- Conversion of Systems 32
- Containing Distributed 32
- Process Control 33
- Connecting Siemens and 34
- S7 Organization Blocks 36
- Compared to Logix Tasks 36
- OB1 Program Cycle 37
- OB30 – OB38 Cyclic Interrupts 38
- Program Structure in STEP 7 40
- Tasks in Logix 41
- Periodic Tasks 42
- Scheduling of Periodic Tasks 43
- Event Tasks 45
- Task Monitor 46
- Tags Not Addresses 47
- Bit Memory 48
- Data Blocks 49
- Data in Logix 50
- I/O and Alias Tags 51
- Programming Languages 53
- Logix Ladder Diagram 54
- Logix Structured Text 54
- Logix Function Block Diagram 55
- Arrays not Pointers 56
- Add-On Instructions 57
- The Common Industrial 58
- Protocol (CIP) 58
- Viewing the Network 59
- Data Exchange 60
- User-Defined Data Types 61
- Asynchronous I/O Updating 62
- The DINT Data Type 62
- Phase Manager 63
- Coordinated System Time 65
- Timestamped Inputs 65
- Scheduled Outputs 65
- No Temporary Variables 66
- No Accumulators or 66
- Special Registers needed 66
- Logix System Functions 68
- Date and Time Setting and 69
- Read System Time 69
- Handling of Interrupts 70
- Status – Controller 71
- Status – Module 71
- Status – for OBs and Tasks 72
- Conversion Routines 73
- String Handling Routines 73
- Examples of System 74
- Function Calls 74
- Disabling Interrupts 76
- Get Faults 79
- Module Information 80
- Get Scan Time 81
- Conversion Code Examples 83
- Set and Reset 84
- Test for Greater Than 85
- On Timer Delay 86
- Call to User Function 87
- Boolean Network 88
- The Logix LD Editor 89
- Jumps and Decision Making 90
- STEP 7 - Jump List 91
- Logix - Ladder Logic 92
- STEP 7 Array Creation 94
- Logix Array Creation 94
- Array Declaration Syntax 94
- Array Access in STEP 7 95
- User Data Types 99
- Pointers and Arrays 102
- State Machine 103
- STEP 7 State Machine 104
- String Definition in Logix 108
- String Definition in STEP 7 108
- STEP 7 Temporary Variables 110
- Functions 110
- Example - a Ramp Function 111
- Block Copy, COP and CPS 114
- Mathematical Expressions 116
- STEP 7 - LAD 117
- Logix - ST 118
- Logix - LD 118
- STEP 7 - User Function 118
- Type Checking 119
- Conclusion 119
- Other Topics Related to 120
- Programming 120
- A Larger Example - Control 121
- User Data Type Valve 122
- The Add-On Instruction 123
- Add-On Instruction Local Data 124
- Add-On Instruction Logic 125
- UDT Valve is also present) 126
- Introduction 129
- Not Selecting 129
- Appropriate Hardware 129
- Implementation of Incorrect 131
- Data Types – DINT 131
- User Code Emulating 132
- Existing Instructions 132
- S7 to Logix Glossary 135
- Software Terminology 136
- Appendix 139
- Compact S7 300 CPUs 140
- Standard S7 300 CPUs 140
- Technology S7 300 CPUs 141
- Fail-Safe S7 300 CPUs 142
- S7 300 Digital Input 142
- S7 300 Digital Output 143
- S7 300 Analog Output 145
- S7 300 Analog Combo 146
- S7 400 Standard Controllers 146
- Redundant and Fail Safe 147
- Controllers 147
- Digital Input Modules 147
- Digital Output Modules 147
- Analog Input Modules 148
- Analog Output Modules 148
- SIMATIC Micro Panels and 149
- Rockwell Automation 149
- Equivalents 149
- SIMATIC Panels - 7x Series 151
- SIMATIC Panels - 17x 152
- Series and Rockwell 152
- Automation Equivalents 152
- SIMATIC Panels - 27x 155
- SIMATIC Multi Panels - 27x 157
- SIMATIC Multi Panels - 37x 159
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