Preface ix
SIMATIC TIWAY I Series 500 NIM User Manual
Preface
This manual contains the information necessary to install and operate the
Series 500 Network Interface Module (NIM). The following information is
provided.
NIM specifications
Installation and testing procedures
Operating instructions and descriptions
SIMATIC TIWAY I primitive descriptions and examples
This manual is organized as follows:
CHAPTER 1 — TIWAY I OVERVIEW contains an overview of the
TIWAY I network and an explanation of how the Series 500 NIM
operates within this network. NIM specifications are also defined.
CHAPTER 2 — NETWORK DESIGN CONSIDERATIONS describes
possible network design configurations, and the use of modems with
TIWAY I. Local Line cabling, biasing, and termination are also
discussed.
CHAPTER 3 — INSTALLATION describes NIM installation and
diagnostic procedures.
CHAPTER 4 — NIM PRIMITIVES describes NIM operation and the
primitive subset supported by the NIM.
APPENDIX A — PM550 CIM REQUIREMENTS contains procedures
for Local Line biasing and termination for networks that contain a
mixture of Series 500 NIMs and SIMATIC PM550 Computer
Interface Modules (CIM).
APPENDIX B — FLOATING POINT NUMBERS defines floating point
representation used in the TIWAY network.
APPENDIX C — NETWORK CONFIGURATION DATA SHEET
contains a form that will help you plan your network.
APPENDIX D — NETWORK EVALUATION FORM contains a TIWAY
network evaluation form. You can submit the completed form to
Siemens for a free network evaluation.
Manual Overview
Manual
Organization