Figures
1-1
Components of an S7-300
2-1
Horizontal and Vertical Arrangements of an S7-300
2-2
Clearances Applying to a Standard S7-300 Configuration on One Rack
2-3
Clearances Applying to a Standard S7-300 Configuration on Several
Racks
2-4
Module Arrangement for an S7-300 Programmable Controller Mounted
on One Rack
2-5
The Module Arrangement in a Four-Rack S7-300 Configuration
3-1
Slots of the S7-300
3-2
Address Area of the CPU 315-2 DP (Inputs)
3-3
Address Area of the CPU 315-2 DP (Outputs)
3-4
Addresses of the Inputs and Outputs of Digital Modules
3-5
Addresses of the Inputs and Outputs of the Digital Module in Slot 4
3-6
Addresses of the Inputs and Outputs of the Analog Module in Slot 4
4-1
Signal Modules Operated on a Grounded Incoming Supply
4-2
Signal Modules Powered from the PS 307
4-3
S7-300 with CPUs 313/314/314 IFM/315/315-2 DP/316 with Grounded
Reference Potential
4-4
S7-300 with CPUs 313/314/314 IFM/315/315-2 DP/316 with Grounded
Reference Potential
4-5
Simplified Schematic of a Configuration with Isolated Modules
4-6
Schematic of the Electrical Configuration with the Non-Isolated Analog
Input/Output Module SM 334; AI 4/AO 2 8/8 Bit
4-7
Relay EMERGENCY OFF Contact in the Output Circuit
4-8
Suppressor Circuit with DC-Operated Coils with Diodes and Zener
Diodes
4-9
Suppressor Circuit with AC-Operated Coils
4-10
Lightning Protection Zones of a Building
4-11
Example for Interconnecting Networked S7-300s
5-1
Fixing Holes of the 2 m/6.56 ft. Rail
5-2
Connecting the Protective Grounding Conductor to the Rail
5-3
Plugging Bus Connectors into Modules
5-4
Hook the CPU onto the Rail and Swing it Down into Place
5-5
Hook the Signal Module onto the Rail and Swing it Down into Place
5-6
Bolting a Module to the Rail
5-7
Inserting the Key in the CPU
5-8
Attaching Slot Numbers to the Modules
6-1
Wiring the PS 307 Power Supply Module and the CPU Using a Power
Connector
6-2
Voltage Selector Switch on the PS 307
6-3
Bringing the Front Connector into the Wiring Position
6-4
Signal Module Assembly with Shield Connecting Element
6-5
Attaching Shielded 2-Wire Cables to a Shield Connecting Element
7-1
Terminating Resistor on the Bus Connector
7-2
Terminating Resistor on the RS 485 Repeater
7-3
Connecting a Terminating Resistor in an MPI Subnet
7-4
Example of an MPI Subnet
7-5
Example of a PROFIBUS Subnet
7-6
Example of a Configuration with the CPU 315-2 DP in an MPI and
PROFIBUS Subnet
7-7
Maximum Cable Length between Two RS 485 Repeaters
S7-300, Installation and Hardware
EWA 4NEB 710 6078-02a
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Contents
1-2
2-2
.
2-3
2-4
2-6
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2-9
3-2
3-5
3-6
3-7
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3-8
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3-9
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4-10
4-11
4-12
4-13
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4-15
4-16
4-21
4-22
4-22
4-25
4-32
5-2
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5-4
5-6
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5-7
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5-7
5-8
5-8
5-9
6-3
6-5
6-7
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6-11
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6-12
7-9
7-9
7-10
7-11
7-12
7-13
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7-15
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