Siemens SIMATIC Manual page 58

Introduction
The practical sample in this manual takes you through four steps, showing you how
to commission a fully functional application. You are going learn how determine and
configure application dependent data and how to operate a control circuit. The refe-
rences to the manual should give you a first overview of the information it contains.
Usually it should take no more one or two hours to work through this sample, de-
pending on experience.
Prerequisites
Conditions ar that:
S You have installed an S7-300 station, consisting of a power supply module and
a CPU 313C or 314C.
S STEP 7 (>= V5.1 + Servicepack 2) is correctly installed on your PG.
S The sample projects are available, either on your CD or you have downloaded
them from the Internet.
S You have created a project for the S7-300 station.
S The PG is connected to the CPU.
S The CPU is correctly connected to a power supply.
S I/O wiring is not required for this sample.
Warning
!
Depending on the field of application, your S7-300 as component in plants and
systems requires special attention relating to specific rules and regulations.
Please pay attention to current regulations on safety and the prevention of acci-
dents,
e.g. IEC 204 (EMERGENCY–OFF devices).
Serious injury as well as damage to machines and appliances is to be expected if
you neglect these regulations.
Warning
!
You risk contacting live wires if the PS 307 power supply module is switched on or
if the power line of the PS is connected to mains.
Wire the S7-300 only after you have switched off power!
2
Automation System S7-300, Getting Started – Controlling
A5E00105534-01