Introduction - Siemens SIMATIC RS 485 Manual

Introduction

This chapter
This chapter describes the RS 485 repeater in detail.
This includes:
● Description of the RS 485 repeater
● The maximum cable lengths between two RS 485 repeaters
● The functions of the various operating elements and terminals
● Mounting and removing
● information about grounded and nongrounded operation
● Connecting the power supply and bus line
● Technical specifications and the block diagram
● Dimension drawings
Diagnostic Repeater
Compared to the RS 485 repeater, the Diagnostic Repeater has new characteristics:
Diagnostic function and modeling as the DP slave. For additional information, refer to the
Diagnostic Repeater for PROFIBUS DP manual on the Internet
(http://support.automation.siemens.com/WW/view/en/7915183).
RS 485 Repeater
Manual, 02/2011, A5E03382072-01
2
7