Siemens CP 243-2 User Manual

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SIMATIC NET CP 243-2 AS-i Master
C79000-G8976-C142/02

This manual supports you when using the CP 243-2 module. It explains how to
access AS-Interface actuators and AS-Interface sensors from an S7-22x CPU via
this module.

...You want an overall picture of the AS-Interface.

– First read the ‘AS-Interface Introduction and Basic Information’ manual (not

part of this documentation package). This contains general information
about the AS-Interface, abbreviated to AS-i in the following chapters.

...You want to set up an AS-i system and include the CP 243-2 module in it:

– You will find the relevant information about connecting and operating the

CP 243-2 in Chapter 3.

To understand this document, you should be familiar with the manual ‘AS-Interface
Introduction and Basic Information’ (part of this documentation package).

The diskette supplied with this manual (S7-200 PROGR) contains sample
programs that will help you when programming the CP 243-2. These sample
programs were written with STEP 7-Micro/WIN32 and can be run on an S7-22x
CPU.