Contents
xAutomationSystem S7-400 Hardwareand Installation
A5E00850741-01
Figures
2-1 Rack Fitted with Modules in the S7-400 System 2-2.....................
2-2 Max. Cabinet Ambient Temperatureas 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 DifferentRated 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-TypeTerminals 4-25.................
4-15 Wiring a Front Connector with Spring-TypeTerminals 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 TwoReceive 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 Terminatingresistor on bus connector 5-9..............................
5-4 Terminatingresistor on RS 485 repeater 5-9............................
5-5 Terminatingresistor 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.........................