Assigning A Shared-Input Master (Im 308-C Only) - Siemens SIMATIC S5 Manual

Distributed i/o system
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Parameterizing, saving and documenting the configuration with COM ET 200 Windows
8.2.7

Assigning a shared-input master (IM 308-C only)

Definition
In addition to the parameterization master, other DP masters can be granted
read access to each DP slave with inputs. These DP masters are known as
shared-input masters.
The DP slaves accessed by shared-input masters are known as shared-input
slaves.
Preconditions
A DP master requiring read access to the DP slave must satisfy the following
preconditions:
Before you assign the DP slave to a shared-input master:
Assigning a
To assign a DP slave to a shared-input master, proceed as follows:
shared-input
1. Select a DP slave from the tool bar and
master
2. in the master system which contains the shared-input master, point to the
3. Manually enter the station number of the DP slave to which you wish to
ET 200 Distributed I/O System
EWA 4NEB 780 6000-02a
you must have already completely configured the DP slave in a master
system and defined all slave parameters (see Section 8.2.4);
you must already have generated a new master system (see Section 8.2.5).
bottom of the bus and click the mouse button.
Result: A pop-up menu of station numbers appears.
grant the shared-input master read access and confirm by pressing the
"OK" button twice.
Result: The icon of the DP slave goes gray. The shared-input master has
only read access to the inputs of this DP slave.
8
8-19

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