Siemens Automation System S7-400 Bedienungsanleitung PDF herunterladen (Seite 6)

Preface

Automation System S7-400 Hardware and Installation

A5E00850741-01

1 2 3 4 5 6 7 8 9 10 11 ... 227 228

A5E00850741-01 1
Trademarks 2
Safety Guidelines 2
Qualified Personnel 2
Prescribed Usage 2
Documentation Package 3
S7-400 Instruction List 3
Navigating 4
Recycling and Disposal 4
Further Support 4
Training Centers 4
Technical Support 5
Contents 7
Product Overview 13
S7-400 components 14
Type label 15
Example of a rating plate 16
Installing the S7-400 17
2.1 S7-400 Installation 18
Connecting the CR and ER(s) 19
Connecting witha5VSupply 19
Overview of the Connections 19
Rules for Connection 21
Function of the Racks 22
Racks in the S7-400 System 22
• Modules are not su 22
Electrical Supply 23
Communication Bus (C Bus) 23
2.3 Segmented CR 24
2.4 Subdivided CR 25
Reference Manual, Chapter 1) 26
Dimensions of the Racks 27
Step 2: Mounting the Rack 28
Mounting Screws 29
19-inch reference level 31
Cable duct/fan subassembly 31
Configuration 32
2.7 Methods of Ventilation 34
Subassembly 36
Shipping state 37
Filter Mat (Optional) 37
Procedure 38
Blanking 39
Why Cabinets are Required 41
Cabinet dimensions 44
D D D D D 45
Installation Sequence 46
Removing the Cover 47
Attaching the Modules 48
Screwing the Modules in Place 48
Slot Number 49
Fitting Slot Labels 49
Distributed I/Os 50
2.16 Accessories 51
Addressing the S7-400 53
Addresses 54
Geographical Addresses 54
Logical Addresses 54
The Two Stages of Addressing 54
Default Addressing 55
Channel on a Digital Module 58
Channel on an Analog Module 59
Wiring the S7-400 61
Calculation Example 63
Load Current Power Supplies 64
Determining the Load Current 64
• Otherwise: 65
Potential (M) 67
Application 68
Terminal Connection Model 68
Power Supply Units 68
Filtering the 24 VDC Supply 69
Insulation Monitoring 69
1L+ 2L+ 3L+ 72
4.9 Grounding 73
• Grounded configuration 74
• Ungrounded configuration 74
• Grounded and ungrounded 74
Connections 75
Special Cases 76
4.11 Wiring Rules 77
Power Supply Connector 78
CableTiesasStrainRelief 88
Labels and Terminal Diagram 89
Label with blank 90
Cutout in front connector 90
How to Label S7-400 Modules 91
Principle of a Coding Key 92
Coding key 93
Send IM Receive IM Receive IM 96
Terminator 96
Wiring It 97
Cable Routing 98
Securing Cables 98
Shield Contact 98
Bending Radius 98
5.1 Configuring a Network 100
5.2 Fundamentals 101
Number of Nodes 102
MPI/PROFIBUS-DP Addresses 102
Default MPI Addresses 102
Rules for MPI Addresses 103
PG Access 104
Components 106
Networking 107
Example of an MPI Network 109
Example Using a CPU 414-2 111
5.4 Cable Lengths 113
Lengths of Spur Lines 114
5.5 PROFIBUS-DP Bus Cables 116
5.6 Bus Connectors 117
Connecting the Bus Connector 118
Removing the Bus Connector 118
Electrical/Optical Conversion 120
Transmission Rate 121
5.8.1 Fiber-Optic Cables 122
Order Numbers 124
Definition 124
Prerequisite 124
Structure 125
Cable Lengths 126
Laying PCF Fiber-Optic Cable 126
Rules for Laying Cable 127
Commissioning 129
Recommended Procedure 130
Operator Control 134
When Should a CPU be Reset? 135
How to Perform a Memory Reset 135
Special Case MPI Parameters 137
Restart (warm start) 138
Hot restart 138
6.7 Inserting a Memory Card 139
Inserting a Memory Card 140
Inserting a Backup Battery 141
Removing a Backup Battery 144
Introduction 145
Requirements 145
Starting Up 145
417-4 and 417-4H) 146
Maintenance 149
Replacing the Backup Battery 150
Using Backup Batteries 151
Slot Numbering 152
Supply Modules) 152
Installing a New Module 152
7.3 Replacing CPUs 153
Installing a Module 155
Modules with Fuses 157
Check the Plant 157
Changing the Fuses 157
Hot--swapping Modules 159
Fuse Type 161
Replacing the Fuse 161
Operation 162
During Operation 164
Exchanging the Mother Board 166
Chapter Overview 169
General Basic Rules 170
Specific Application 170
EMERGENCY OFF Devices 170
120/230 VAC Supply 171
24 VDC Supply 171
Definition: EMC 173
Rule 1: Large Area Grounding 175
Rule 2: Correct Cable Routing 175
Rule 3: Secure Cable Shields 175
Rule 4: Special EMC Measures 176
See also 176
Inactive Metal Parts 177
Key for example 1 179
A.5 Shielding Cables 181
Handling the Shields 182
A.6 Equipotential Bonding 183
A.7 Cabling Inside Buildings 185
A.8 Cabling Outside Buildings 187
Overview 188
VDE 0185 T103 189
Effects of a Lightning Strike 189
Protection 190
Additional Measures 191
Sample Circuit 196
Components in figure A-7 197
Inductive Surge 198
Intoduction 200
Reliability 200
Important Information 201
Guidelines for Handling 205
B.1 What is ESD? 206
Charging 207
Discharge Damage 208
Glossary 209
Hardware Interrupt 215
Instance Data Block 215
Interface, Multipoint 215
Interrupt, Cyclic 215
Isolated 215
MPI Address 217
Nesting Depth 217
Node Number 217
Non-Isolated 217
Varistor 224
Warm Restart 224
Watchdog interrupt 224
Work Memory 224

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Siemens Automation System S7-400 Bedienungsanleitung Seite 6

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