S7-400 Automation System, CPU Specifications
Manual, 10/2006, 6ES7498-8AA04-8BA0
5-1
PROFIBUS DP
5
5.1 CPU 41x-3 PN/DP as DP master / DP slave
5.1.1 Overview
Introduction
This chapter describes the properties and technical specifications that you require when you
use a CPU 41x-3 PN/DP as a DP master or as a DP slave and configure it for direct data
exchange.
Declaration: Since the DP master / DP slave response is the same for all CPUs, we will
therefore simply refer to the CPUs in the following as CPU 41x-3 PN/DP.
Further Information
For information on the hardware and software configuration of a PROFIBUS subnet and on
diagnostic functions within the PROFIBUS subnet, refer to the STEP 7 Online Help.
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