Jetter JC-120MC, Руководство пользователя

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486 Jetter AG
10 Programming
10.17.1 Programming
The user-programmable IP interface is used to carry out data exchange
between application program and network client via TCP/IP or UDP/IP
connections. For this purpose, function calls are used. These function calls are
included in the programming language of the JC-120MC. To program this
feature proceed as follows:
Step Action
1
Initializing the user-programmable IP interface
2 Open connections
3
Transfer data
4 Terminate the connections
Technical data of the user-programmable IP interface:
Feature Description
Number of connections 20
Maximum data size 4,000 byte
While the controller JC-120MC is processing one of the functions of the
user-programmable IP interface, tasks having called the functions should not
be stopped through
TaskBreak
or restarted through
TaskRestart
.
Failure to do so could result in the following errors:
 Connections do not open

Data loss during sending or receiving
 Connections remain open unintentionally
 Connections are closed unintentionally
Topic Page
Initializing the user-programmable IP interface .......................................... 487
Establishing a connection ........................................................................... 488
Sending data ............................................................................................... 492
Receiving data ............................................................................................ 494
Terminating a connection ............................................................................ 497
Introduction
Technical data
Restrictions
Contents