Jetter JC-120MC, User Manual

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Jetter AG 225
JC-120MC Programming
10.3.1 Acyclic data interchange
This chapter covers acyclic data interchange on the Jetter Ethernet system
bus.
Acyclic data interchange on the Jetter Ethernet system bus can be
characterized as follows:
Property Description
Architecture Client/server

Data interchange is initiated by the client.

The server gives a response to the request made
by the client.

Usage of unicast frames

Network access is made once.
Client

JetSym:
Programming and debugging of application
programs

JetViewSoft:
Setting up a visualization application

Controllers:
Data interchange out of the application program
(NetCopy..., NetBit..., network register)
Server 
PC:
E.g. for database applications

Controllers, bus nodes and communication
modules:
E.g. variable or debugging server
Data

PC:
Registers, inputs/outputs, STX variables,
application program

Controllers, bus nodes and communication
modules:
Registers, STX variables
Access time 
It depends on the data transfer time and on the
server's processing time
Configuration 
Network registers:
Easy configuration in the application program

Else, both client and server are completely
configured by the operating system.
Reach 
Using TCP/IP and UDP/IP frames allow for data
interchange exceeding the limits of one's own
subnet.
Introduction
Properties