Potential Isolation; Communication Between Sensors/Actuators And The Plc; Application Of Central And Distributed I/O; Configuration Consisting Of The Central Unit (Cu) And Expansion Modules (Ems) - Siemens SIMATIC S7-300 Hardware And Installation Manual

Quick Guide
Table 2-3

Potential isolation

Information on ...
Which modules can I use if it is required to isolate
the potential of specific sensors/actuators?
When is it required to isolate the potential of
specific modules?
How do I wire that?
When is it required to isolate the potential of
specific stations?
How do I wire that?
Table 2-4

Communication between sensors/actuators and the PLC

Information on ...
Which module is suitable for my sensor/actuator?
How many sensors/actuators can I connect to the
module?
How do I wire the sensors/actuators to the PLC
using front connectors?
When do I require expansion modules (EG), and
how are they connected?
How do I mount modules on module racks/profile
rails?
Table 2-5

Application of central and distributed I/O

Information on ...
Which range of modules do I want to use?
Table 2-6

Configuration consisting of the Central Unit (CU) and Expansion Modules (EMs)

Information on ...
Which mounting racks / profile rails are suited best
for my application?
Which Interface modules (IM) do I need for
connecting EMs to the CPU?
How do I configure the power supply (PS)
performance?
2-2
is available in ...
Chapter Configuring; Electrical assembly,
Protective measures and Grounding, in the
Installation Manual
Reference Manual Module Specifications
Chapter Configuring; Electrical assembly,
Protective measures and Grounding, in the
Installation Manual
Chapter Wiring, in the Installation Manual
Chapter Configuring; Configuring subnets, in the
Installation Manual
Chapter Wiring, in the Installation Manual
is available in ...
for CPU: Reference Manual CPU Data
for signal modules: Reference Manual Module Data
for CPU: Reference Manual CPU Data
for signal modules: Reference Manual Module Data
Chapter Wiring; Wiring front connectors, in the
Installation Manual
Chapter Configuring, optional expansions and
networking, in the Installation Manual
Chapter Mounting; Mounting modules on profile
rails, in the Installation Manual
is available in ...
for central I/O / expansion modules (EGs):
Reference Manual Module data
for distributed I/O / PROFIBUS-DP: Manual of the
respective peripheral device, e.g. Manual ET 200B
is available in ...
Chapter Configuring, in the Installation Manual
Chapter Configuring, Arranging modules on
multiple module racks, in the Installation Manual
Chapter Configuring, in the Installation Manual
S7-300 Programmable Controller Hardware and Installation
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