Introduction; Basic Information On Communications; Overview Of The Various Data Couplings - Siemens SIMADYN D Manual

Communications configuring
3.1

Introduction

3.1.1

Basic information on communications

General
information
Communications
utility
Coupling
Couplings and
communication
interfaces
3.1.1.1

Overview of the various data couplings

General
CPU-local coupling
3-2
Communications permit information and data to be transferred to other
systems and devices.
To establish communications, the following are required:
• a communications utility must be configured together with a link
• a communications interface must be available
The communications utility defines the information contents
(e. g. process data) during communications.
The coupling defines the hardware (e. g. CS7/SS52) and the data
transfer protocol (e. g. PROFIBUS DP) for communications.
The particular application and communication capabilities of the partner
define the communications interface and the data coupling.
Couplings are configured in the CFC application using the central
coupling blocks.
•
Used for the
communications
partner
•
Hardware required
•
Communications
utility
•
Central coupling
block
•
Features
Table 3-1 CPU-local coupling
CPU-internal to test transmitters/receivers
CPU
Process data
@CPN
SIMADYN D-internal memory coupling
System- and communication configuring D7-SYS - SIMADYN D
Edition 12.2003