Siemens siprotec 7SA522, Руководство пользователя

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Installation and Commissioning
8-38
7SA522 Manual
C53000-G1176-C119-2
8.3.7 Checking the Binary Inputs and Outputs
Preliminary Notes The binary inputs, outputs, and LEDs of a SIPROTEC
®
4 device can be individually
and precisely controlled using DIGSI
®
4. This feature is used to verify control wiring
from the device to plant equipment (operational checks), during commissioning. This
test feature should not be used while the device is in service on a live system.
Note: After termination of the hardware test, the device will reboot. Thereby, all annun-
ciation buffers are erased. If required, these buffers should be extracted with DIGSI
®
4
prior to the test.
The hardware test can be done using DIGSI
®
4 in the online operating mode:
q Open the
2QOLQH
directory by double-clicking; the operating functions for the de-
vice appear.
q Click on
7HVW
; the function selection appears in the right half of the screen.
q Double-click in the list view on
+DUGZDUH7HVW
. The dialogue box of the same
name opens (see Figure 8-19).
Figure 8-19 Dialogue box for hardware test
Structure of the
Test Dialogue Box The dialogue box is horizontally divided into three groups:
%,
for binary inputs,
5(/
for output relays, and
/('
for light-emitting diodes. Each of these groups is associated
DANGER!
Changing the status of a binary input or output using the test feature of DIGSI
®
4
results in an actual and immediate corresponding change in the SIPROTEC
®
de-
vice. Connected equipment such as circuit breakers or disconnectors will be
operated as a result of these actions!