Checking The Status Of Binary Inputs And Outputs - Siemens SIPROTEC 7SC80 Series Manual

Mounting and Commissioning
3.3 Commissioning
3.3.4

Checking the Status of Binary Inputs and Outputs

Prefacing Remarks
The binary inputs, outputs, and LEDs of a SIPROTEC 4 device can be individually and precisely controlled in
DIGSI. This feature is used to verify control wiring from the device to plant equipment (operational checks)
during commissioning. This test option should however definitely not be used while the device is in„real" oper-
ation.
DANGER!
Danger evolving from operating the equipment (e.g. circuit breakers, disconnectors) by means of the
test function
Non-observance of the following measure will result in death, severe personal injury or substantial property
damage.
Equipment used to allow switching such as circuit breakers or disconnectors is to be checked only during com-
missioning. Do not under any circumstances check them by means of the test function during real operation by
transmitting or receiving messages via the system interface.
Note
After finishing the hardware tests, the device will reboot. Thereby, all annunciation buffers are erased. If re-
quired, these buffers should be read out with DIGSI and saved prior to the test.
The hardware test can be carried out using DIGSI in the Online operating mode:
• Open the Online directory by double-clicking; the operating functions for the device appear.
• Click on Test; the function selection appears in the right half of the screen.
• Double-click in the list view on Hardware Test. The dialog box of the same name opens (see the following
figure).
Structure of the Test Dialog Box
The dialog box is classified into three groups: BI for binary inputs, REL for output relays, and LED for light-
emitting diodes. On the left of each of these groups is an accordingly labeled button. By double-clicking a
button, information regarding the associated group can be shown or hidden.
In the column Status the present (physical) state of the hardware component is displayed. Indication is made
by symbols. The physical actual states of the binary inputs and outputs are indicated by an open or closed
switch symbol, the LEDs by a dark or illuminated LED symbol.
The opposite state of each element is displayed in the column Scheduled. The display is made in plain text.
The right-most column indicates the commands or messages that are configured (masked) to the hardware
components.
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SIPROTEC, 7SC80, Manual
E50417-G1140-C486-A1, Release date 12.2011