Automation and Drives - SCE

2.1OPERATING THE CPUS 31XC

Operator control and display elements

The following illustration shows the operator control and display elements of a CPU 31xC. The arrangement and number of elements in some CPUs differ from this illustration.

The figures show the following CPU elements:

(1) Status and error displays

(2) Slot for the Micro Memory Card (MMC), incl. the ejector

(3) Connections of the integrated I/O.

(4) Power supply connection

(5) 1st interface X2 (PtP or DP)

(6) 1st interface X1 (MPI)

(7) Mode selector switch

The following illustration shows the digital and analog inputs/outputs integrated on the CPU.

The figure shows the following integrated I/Os:

(1) Analog I/Os

(2) each with 8 digital inputs

(3) each with 8 digital outputs

(4) Front connectors (front doors are open)

f f

 

 

 

 

 

 

Foreword

Notes

Hardware configuration

STEP 7 program

Testing

 

 

 

 

 

 

 

T I A Training Document

 

Page 7 of 25

 

Module

 

 

 

 

A5

Issue date: 02/2008

 

 

Programming the CPU 314C-2DP

Page 7
Image 7
Siemens programming the cpu 314c-2dp manual Operating the Cpus 31XC, Operator control and display elements