Operating an S811+ Soft Starter with a Siemens PLC via Profibus DP

PublishTime：2022-11-28

■Introduction
●The purpose of this application note is to demonstrate how to operate and monitor an S811+ soft starter via a Profibus DP network and a Siemens Simatic PLC with a Profibus master module.The C441SS or C441QS Profibus modules are used to interface the S811+to the Profibus network.
●A GSD file is available for the C441SS/C441QS modules and it may be downloaded from the Eaton web-site. The Profibus address is configured using the dip switches on the C441 Profibus modules. The data rate is auto detected from the master.
●While this application example uses a Siemens Simatic S7-1200 controller with a Profibus DP master module to control and monitor the S811+, any Profibus master may be used for this purpose. Siemens Simatic Step 7 Basic, V13 programming software was used for this application example. The Simatic S7PLC will be configured to poll the C441 Profibus module to operate and monitor the S811+ soft starter.
●The C441 Profibus modules support Profibus DPV0 functionality. This document will demonstrate how to configure the Profibus master to monitor motor and status parameters from the S811+as well using the S811+to control and protect a motor.
■System Overview
●The S811+ is controlled directly over Profibus via the C441 Profibus modules. The Siemens PLC controls the S811+over Profibus. The S811+protects the motor by tripping and stopping the motor when a fault condition occurs. Additional information on the S811+ soft starter can be found in the S811+user manual, publication MN03900001E.

Brand of Product：	EATON ELECTRIC
Part#：	S811+ More Part#
Product Category：	soft starter More
Application：	More
Data Type：	Application note & Design Guide More
Safety & Environment Standards：	More
Operating Temperature：	Please see the document for details
Qualification Grade：	More
Qualification Approval：	More
Package：
Language：	English Chinese Chinese and English Japanese
Date of Creation：	July, 2016
Version Number：
Data Encoding：	AP039012EN
Data Size：	1.5 MB

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