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Siemens Simatic S7-300 - Page 10

Siemens Simatic S7-300
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S7-300, Installation and Hardware
EW
A 4NEB 710 6078-02a
5 Installing
an S7-300
5.1
Installing the Rail
5-2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.2 Module
Accessories
5-5.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.3 Installing
the Modules on the Rail
5-6.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5.4 Identifying
the Modules with Slot Numbers
5-9.
. . . . . . . . . . . . . . . . . . . . . . . . .
6 Wiring
an S7-300
6.1
Wiring Rules
6-2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6.2 Wiring
the Power Supply Module and CPU
6-3.
. . . . . . . . . . . . . . . . . . . . . . . . .
6.3 Setting
the Power Supply V
oltage Selector Switch
6-5.
. . . . . . . . . . . . . . . . . . .
6.4 Wiring
the Front Connectors of the Signal Modules
6-6.
. . . . . . . . . . . . . . . . . .
6.5 Connecting
Shielded Cables Using the Shield Connecting Element
6-10.
. . . .
7 Configuring
an MPI or PROFIBUS Subnet
7.1
Configuring a Subnet
7-2.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1.1 Basic
Principles
7-3.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Special
Considerations for CPs and FMs
7-5.
. . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1.2 Rules
for Configuring a Subnet
7-7.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.1.3 Cable
Lengths
7-14.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2 Network
Components
7-18.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.1 PROFIBUS
Bus Cable
7-19.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.2 Bus
Connectors
7-21.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7.2.3 Plugging
the Bus Connector into a Module
7-22.
. . . . . . . . . . . . . . . . . . . . . . . . .
7.2.4 RS
485 Repeater
7-23.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8 Preparing
an S7-300 for Operation and Start-up of PROFIBUS-DP
8.1
Plugging in the Memory Card (Not CPU 312 IFM/314 IFM)
8-2.
. . . . . . . . . . .
8.2 Inserting
the Backup Battery/Rechargeable Battery (Not CPU 312 IFM)
8-4.
8.3 Connecting
a Programming Device
8-6.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.3.1 Connecting
a Programming Device to an S7-300
8-7.
. . . . . . . . . . . . . . . . . . . .
8.3.2 Connecting
a Programming Device to Several Nodes
8-8.
. . . . . . . . . . . . . . . .
8.3.3 Connecting
a Programming Device to Ungrounded Nodes of an
MPI Subnet
8-10.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.4 Resetting
the CPU Memory
8-11.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.5 PROFIBUS-DP
Startup
8-14.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
8.5.1 Startup
of the CPU 315-2 DP as a DP Master
8-15.
. . . . . . . . . . . . . . . . . . . . . . .
8.5.2 Startup
of the CPU 315-2 DP as a DP Slave
8-16.
. . . . . . . . . . . . . . . . . . . . . . . .
9
Changing the Backup Battery/Rechargable Battery
, Module and Fuses
9.1
Changing the Backup/Rechargeable Battery (not CPU 312 IFM)
9-2.
. . . . . .
9.2 Replacing
Modules
9-4.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
9.3 Replacing
Fuses on 120/230 V
AC Digital Output Modules
9-8.
. . . . . . . . . . . .
Contents

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