Sharp DP-750 Wartungshandbuch PDF herunterladen (Seite 4)

iv • Table of Contents

WAGO-I/O-SYSTEM 750

Bus System

2.8.1.2 Insulated Assembly.......................................................................44

2.8.2 Grounding Function...........................................................................45

2.8.3 Grounding Protection ........................................................................46

2.9 Shielding (Screening).............................................................................47

2.9.1 General...............................................................................................47

2.9.2 Bus Conductors..................................................................................47

2.9.3 Signal Conductors..............................................................................47

2.9.4 WAGO Shield (Screen) Connecting System.....................................48

2.10 Assembly Guidelines/Standards.............................................................48

3 Programmable Field Bus Controller 750-833 ........................................49

3.1 Description .............................................................................................49

3.2 Hardware ................................................................................................51

3.2.1 View...................................................................................................51

3.2.2 Device Supply....................................................................................52

3.2.3 Field Bus Connection ........................................................................53

3.2.4 Display Elements...............................................................................54

3.2.5 Station Address..................................................................................55

3.2.6 Configuration and Programming Interface........................................56

3.2.7 Operating Mode Switch.....................................................................57

3.3 Operating System ...................................................................................58

3.3.1 Run-Up ..............................................................................................58

3.3.2 PFC Cycle..........................................................................................59

3.4 Process Image.........................................................................................61

3.4.1 Local Process Image..........................................................................61

3.4.2 Allocation of the Input and Output Data ...........................................62

3.4.3 Process Data Structure for PROFIBUS-DP.......................................64

3.4.4 Data Exchange...................................................................................64

3.4.5 Memory Areas ...................................................................................64

3.4.6 Addressing .........................................................................................67

3.4.6.1 I/O Module Data ...........................................................................67

3.4.6.2 Field Bus Variables.......................................................................68

3.4.6.3 Flags..............................................................................................68

3.4.6.4 Calculate Addresses......................................................................68

3.4.6.5 Example for Absolute Addresses..................................................69

3.5 Programming of the PFC with WAGO-I/O-PRO ..................................70

3.5.1 PROFIBUS Library for WAGO-I/O-PRO ........................................70

3.5.2 IEC 61131-3 Program Transfer .........................................................71

3.5.2.1 Transmission via the Serial Interface............................................71

3.5.2.2 Transmission via the Field Bus.....................................................73

3.5.2.2.1 MSAC2 Interface .....................................................................74

3.6 Configuration..........................................................................................76

3.6.1 Configuration of the I/O Modules .....................................................76

3.6.2 Configuration of the Field Bus Variables..........................................77

3.6.3 GSD Files...........................................................................................78

3.6.4 Identification Bytes............................................................................79

3.6.4.1 Bus Controller Modules................................................................82

3.6.4.2 I/O Modules ..................................................................................82

3.6.5 Example .............................................................................................83

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