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Primer: S7-300 Programmable Controller, Quick Start
C79000-G7076-C500-01
There are a few simple slot rules that you need to observe when installing
your S7-300 (see Figure 3-1):
S The power supply module (PS) must always be plugged in as the first
module on the left of the DIN rail.
S The CPU is always the second module to be plugged in to the right of the
power supply module.
S Up to 8 signal modules can be plugged in to the right of the CPU.
Slot assignments on your S7-300
Simulator module
Power supply
module PS
CPU
Figure 3-1 Simple Slot Rules for Arranging the Modules
We require only one simulator module for working with the primer and for
executing our sample program.
Are There Any Slot
Rules?
Installing and Wiring Your S7-300
What Do You Need to Know Before You Start?
Please Note
You can install your S7-300 either in a flat or an upright position.
We have decided on horizontal installation, and the following
explains how.
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