Siemens S7-1200 System Manual page 595

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Table of Contents

Connection ID parameter

There are three ways to change the system-defined connection IDs:

1. The user can change the current ID directly on the GET/PUT block. If the new ID belongs

2. The user can change the current ID directly on the GET/PUT block, but the new ID does

3. The user can change the current ID through the "Connection overview" dialog: The user-

Connection name parameter

The connection name is editable through a special user control, the "Connection overview"

dialog. This dialog offers all the available S7 connections which could be selected as an

alternative for the current GET/PUT communication. The user can create a completely new

connection in this table. Click the button to the right of the "Connection name" field to start

the "Connection overview" dialog.

S7-1200 Programmable controller

System Manual, 03/2014, A5E02486680-AG

to an already existing connection, the connection is changed.

not already exist. A new S7 connection is created by the system.

input is synchronized with the ID-parameter on the corresponding GET/PUT block.

The parameter "ID" of the GET/PUT block is not a connection name, but a numerical

expression which is written like the following example: W#16#1

Communication

10.5 S7 communication