Siemens siprotec 7SD5 User Manual page 483

Proceed as follows in order to check the binary inputs:
• Activate in the system each of the functions which cause the binary inputs.
• Check the reaction in the Ist column of the dialog box. To do this, the dialog box
• Finish the test sequence (see margin heading below „Exiting the Procedure").
If, however, the effect of a binary input must be checked without carrying out any
switching in the system, it is possible to trigger individual binary inputs with the hard-
ware test function. As soon as the first state change of any binary input is triggered
and the password No. 6 has been entered, all binary inputs are separated from the
system and can only be activated via the hardware test function.
Test of the LEDs The LEDs may be tested in a similar manner to the other input/output components. As
soon as the first state change of any LED has been triggered, all LEDs are separated
from the internal device functionality and can only be controlled via the hardware test
function. This means e.g. that no LED is illuminated anymore by a protection function
or by pressing the LED reset button.
Updating the When the dialog box Hardware Test is opened, the present conditions of the hard-
Display ware components at that moment are read in and displayed.
An update is made:
• For the particular hardware component, if a command for change to another state
• For all hardware components if the Update button is clicked,
• For all hardware components with cyclical updating (cycle time is 20 sec) if the Au-
Exiting the Proce- To end the hardware test, click on Close. The dialog box closes. Thus, all the hard-
dure ware components are set back to the operating state specified by the plant states. The
processor system is restarted, then the device is ready for operation.
7SD5 Manual
C53000-G1176-C169-1
must be updated. The options may be found below under the margin heading „Ak-
tualisieren der Anzeige".
was successful,
tomatic Update (20sec) field is marked.
3.3 Commissioning
483