CP521

SIMATIC S5 CP 521 BASIC Communications Processor Manual EWA 4NEB 812 6071-02a Edition 02 STEP ® und SIMATIC ® are registered trademarks of Siemens AG. Copyright © Siemens AG 1991 Subject to change without prior notice. The reproduction, transmission or use of this document or its contents is not permitted without express written authority. Offenders will be liable for damages. All rights, including rights created by patent grant or registration of a utility model or design, are reserved. Preface Introduction System Overview Technical Description Installation Guidelines Principles of Operation and Addressing BASIC Interpreter Communications Interfaces CPU Requests and Error Recovery Procedures Programs Appendix Appendix Keyword Index 1 2 3 4 5 6 7 8 A B EWA 4NEB 812 6071-02a CP 521 BASIC Preface Preface The CP 521 BASIC communications processor is a powerful I/O module and an integral component of the S5-100U programmable controller. Detailed information is needed to put this module to optimum use. Because the performance capabilities of the S5-100U are being continually upgraded, the S5-100U manual is already extremely extensive. For this reason, a separate manual was prepared for the CP 521 BASIC module. This manual was designed to provide only information and examples pertinent to the CP 521 BASIC module yet still satisfy the increasing demands placed on technical documentation. These include: The standardization of terminology and notation Extensive sect...