Installation and Commissioning
268
7SS52 V4 Manual
C53000-G1176-C182-3
7.3.3
Checking the Switching States of the binary Inputs/Outputs
With DIGSI you can purposeful selectively control individual binary inputs, output re-
lays and LEDs of the central unit and the bay unit. In this way you can check, e.g. dur-
ing the commissioning, the correct connections to the system.
7.3.3.1
Central Unit
vom PC mit DIGSI
The hardware test can be made with DIGSI in the operational mode Online:
Double-click the directory
Online
. The operating functions for this device will ap-
pear.
Click
Test
. The available functions are displayed on the right.
Double-click in the list
Test device inputs and outputs
. The dialog box with this
name is opened (see Figure 7-7, page 269).
Structure of the
dialog box
The dialog box is divided into three groups:
BI
for binary inputs,
BO
for binary outputs
and
LED
for LEDs. On the left of each group is an accordingly labelled panel. By dou-
ble-clicking these panels you can show or hide the individual information of the select-
ed group.
In the column
Actual
the current status of the particular hardware component is dis-
played. by symbols The actual states of the binary inputs and outputs are displayed
by the symbol of opened and closed switch contact those of the LEDs by a symbol of
an dark or shining LED.
The opposite state of each element is displayed in the column
Nominal
. The display
is made in plain text.
The column on the far right displays commands or annunciations which are allocated
to the particular hardware component.
Danger!
A changing of switching states by means of the test function causes a real change of
the operating state at the SIPROTEC device. The switchgear (e.g. circuit breakers)
can be switched by this!
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