2-1
Communications Processor CP 541
EWA 4NEB 812 6188-02
Communication Modes
This chapter provides an overview of the communication modes you can use
via the CP 541.
The following two declarations apply to the entire Manual. You require these
declarations to facilitate understanding of the various communication modes.
Node address
The node address is the address with which the programmable controller
connected to the CP 541 is accessed by it.
Station number
The station number is the number which distinguishes the various stations
on the SINEC L2. Each station number is uniquely assigned to a station.
The CP 541 always provides a positive acknowledgment to all messages it
receives from the programmable controller.
Section
Contents
Page
2.1
PLC-PLC Connection
2.2
DP Connection
2.3
Broadcast via FDL Connection
Introduction
Declarations
Acknowledgment
Summary of this
Chapter
2
