What Do You Need To Know Before You Start - Siemens SIMATIC S7-300 Quick Start Manual

Installing and Wiring Your S7-300

What Do You Need to Know Before You Start?

Are There Any Slot
There are a few simple slot rules that you need to observe when installing
Rules?
your S7-300 (see Figure 3-1):
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.
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.
3-2
The power supply module (PS) must always be plugged in as the first
module on the left of the DIN rail.
The CPU is always the second module to be plugged in to the right of the
power supply module.
Up to 8 signal modules can be plugged in to the right of the CPU.
Slot assignments on your S7-300
Power supply
module PS
Please Note
Simulator module
CPU
Primer: S7-300 Programmable Controller, Quick Start
C79000-G7076-C500-01