AS 488/TM system unit

SIMATIC PCS 7 cabinet design

•DC 24 V or AC 120/230 V power supply: depending on the in- put voltage, the AS 488/TM can be equipped either with a PS 407 power supply module (AC 120/230 V supply) or a PS 405 power supply module (DC 24 V supply), each rated at 10 A. These supply the AS 488/TM modules with the DC 5 V and DC 24 V operating voltages via the backplane bus. The PS 405 and PS 407 power supply modules also contain the backup batteries for buffering the time and date.

•Supplementary system documentation consisting of a manual for AS 388/TM, AS 488/TM and CS-L2 bridge in German or En- glish.

■Overview

The scope of delivery of the AS 488/TM is variable, and is de- fined specific to the order.

Fundamental components of the AS 488/TM are:

•Mounting board for the UR2 rack and the rail for the OLM opti- cal link module

•AS 488/TM CPU, comprising:

-SIMATIC M7 CPU 486-3 or CPU 488-3

-Memory module set with 2 x 8 Mbyte

-UR2 rack (9 slots)

-IF 962-COM serial interface module for commissioning termi- nal with two RS 232 interfaces

-IF 961-DIO interface module for I & C monitoring functions

-AS 488/TM system software on 8-Mbyte memory card

-Commissioning terminal software on 3.5-inch diskette

•PROFIBUS-DP connection for distributed I/Os via EXM 478 ex- tension module, as electrical or optical design. The compo- nents for a second PROFIBUS-DP line must be ordered separately.

•Components for connection to the CS 275 or PROFIBUS-TM system bus, components for PROFIBUS-TM as electrical or op- tical design.

Preparation of quotation, consulting and ordering

Siemens AG

D-76187 Karlsruhe

Tel.: +49 721 595-3776

Fax: +49 721 595-4711

E-mail: helmut.heib@siemens.com

Siemens PLT 112 · 2002

6/5

PCS 7 specifications

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