Chapter 1 - Introduction
echocollect - How to...
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1
Introduction
This document provides step by step instructions on how to establish data exchange
between a Siemens S7-300 PLC and an Allen-Bradley ControlLogix PLC, using a Softing
echocollect device.
General description of the presented example
Both PLCs and the echocollect are in the same network.
No program changes required on the PLCs. All the configuration is done on the
echocollect.
The data source tag on the ControlLogix is an array of 50 integers called
Data_to_S7
.
The target data block on the S7-300 is
DB1
, defined also as an array of 50 integers.
The data recipient tag on the ControlLogix is an integer called
Data_from_S7
.
The source data block on the S7-300 is
DB2
, defined as one byte.
Software used
Softing NetCon echo V4.33
Conventions
The following conventions are used throughout Softing customer documentation:
Keys, buttons, menu items, commands and
other elements involving user interaction are
set in bold font and menu sequences are
separated by an arrow
Open
Start
Control Panel
Programs
Buttons from the user interface are enclosed
in brackets and set to bold typeface
Press
[Start]
to start the application
Coding samples, file extracts and screen
output is set in Courier font type
MaxDlsapAddressSupported=23
Filenames and directories are written in italic
Device description files are located in
C:
\StarterKit\delivery\software\Device
Description files
Note
This symbol is used to call attention to notable information that should be
followed during installation, use, or servicing of this device.
