Siemens Automation System S7-400 - Manual (Page 10)

Contents
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Automation System S7-400 Hardware and Installation
A5E00850741-01
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 . . . . . . . . . . . . . . . . . . . . . . . . .