manuais Siemens Automation System S7-400

Siemens Automation System S7-400 Manual do Utilizador (228 páginas)

Marca: Siemens | Categoria: Hardware | Tamanho: 2.92 MB |

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Índice

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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