Contents

Figures

 

 

2-1

Rack Fitted with Modules in the S7-400 System

2-2

2-2

Max. Cabinet Ambient Temperature as a Function of Power Dissipation

 

 

of Equipment in the Cabinet

2-27

2-3

Removing the Cover

2-31

2-4

Attaching the Modules

2-32

2-5

Screwing the Modules in Place

2-32

2-6

Fitting a Slot Label

2-33

4-1

Operating the S7-400 from a Grounded Supply

4-6

4-2

An S7-400 Configured with Grounded Reference Potential

4-7

4-3

An S7-400 Configured with Ungrounded Reference Potential

4-8

4-4

Simplified Representation of Configuration with Isolated Modules

4-11

4-5

Parallel Wiring of a Digital Output with Different Rated Load Voltages . . .

4-12

4-6

Parallel Wiring of a Digital Output with Identical Rated Load Voltages . . .

4-12

4-7

Grounded connection load voltage

4-14

4-8

Shielding and Grounding the Connecting Cable for a Remote Connection

4-16

4-9

Disconnecting power supply connector

4-18

4-10

Wiring the power supply connector

4-20

4-11

Plugging the power supply connector

4-21

4-12

Preparing to wire the front connector

4-23

4-13

Wiring a Front Connector with Crimp Terminals

4-24

4-14

Wiring a Front Connector with Screw-Type Terminals

4-25

4-15

Wiring a Front Connector with Spring-Type Terminals

4-26

4-16

Principle of the spring contact

4-27

4-17

Fitting a Strain Relief (Viewed from Below)

4-28

4-18

Fitting the Labels on the Front Connector

4-29

4-19

Fitting a Label in the Front Connector

4-30

4-20

Attaching the Front Connector

4-33

4-21

Screwing On the Front Connector

4-34

4-22

Plugging a Connecting Cable into a Send IM

4-35

4-23

Connection Between a Send IM and Two Receive IMs

4-36

4-24

Wiring the Fan Subassembly

4-37

5-1

Communication between Programming Device/Operator Panel

 

 

and a Module without MPI

5-5

5-2

Data Exchange

5-6

5-3

Terminating resistor on bus connector

5-9

5-4

Terminating resistor on RS 485 repeater

5-9

5-5

Terminating resistor on MPI network

5-10

5-6

Example of an MPI network

5-11

5-7

Example of a PROFIBUS DP network

5-12

5-8

Example with CPU 414-2

5-13

5-9

Programming device access beyond network limits

5-14

5-10

Configuration of an MPI network

5-17

5-11

Bus connector

5-19

5-12

Switch on terminating resistant

5-20

5-13

Optical PROFIBUS-DP Network with Nodes that have an

 

 

Integrated Fiber-Optic Cable Interface

5-23

5-14

Simplex Connectors and a Special Connector Adapter for the IM 153-2 FO

 

 

and IM 467 FO (installed)

5-27

6-1

Connecting PG to an S7-400

6-5

6-2

Positions of the mode selector switch

6-8

6-3

Inserting a Memory Card in a CPU

6-12

6-4

Inserting Interface Submodules in the CPU

6-19

7-1

Inserting an Interface Submodule in a CPU

7-20

x

Automation System S7-400 Hardware and Installation

A5E00850741-01

Page 10
Image 10
Siemens S7-400 installation manual Figures