Siemens SIPROTEC 4 7VE61 Manual Download

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To do this, the dialog box Hardware Test must again be opened to view the physical state of the binary
inputs. The password is not yet required.
Proceed as follows in order to check the binary inputs:

•

Activate in the system each of the functions which cause the binary inputs.

•

The response of the device must be checked in the Status column of the dialog box. To do this, the
dialog box must be updated. The options may be found below under the margin heading “Updating the
Display”.

•

Terminate the test sequence (see below under the margin heading “Exiting the Procedure”).

If however the effect of a binary input must be checked without carrying out any switching in the plant, it is
possible to trigger individual binary inputs with the hardware 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 plant 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 you have initi-
ated the first state change for any LED, all LEDs are disconnected from the functionality of the device and can
only be operated by the hardware test function. This means, for example, that no LED is illuminated anymore
by a device function or by pressing the LED reset button.

Updating the Display

During the opening of the dialog box Hardware Test the operating states of the hardware components which
are current at this time are read in and displayed.
An update occurs:

•

for each hardware component, if a command to change the condition is successfully performed

•

for all hardware components if the Update button is clicked

•

for all hardware components with cyclical updating (cycle time is 20 seconds) if the Automatic Update
(20sec) field is marked.

Exiting the Test Mode

To end the hardware test, click on Close. The dialog box closes. The device becomes unavailable for a brief
start-up period immediately after this. Then all hardware components are returned to the operating conditions
determined by the plant settings.

Checking the Analog Output

The SIPROTEC devices 7VE61 and 7VE63 can be equipped with up to 2x2 analog outputs. Where analog
outputs are provided and used, their functioning should be tested.
Since various types of measured values or events can be output, the test to be performed depends on the
values involved. These values must be generated (e.g. with secondary test equipment).
Make sure that the proper values are correctly output at their destination.

Checking the User-Defined Functions

CFC Logic

The device has a vast capability for allowing functions to be defined by the user, especially with the CFC logic.
Any special function or logic added to the device must be checked.
A general procedure cannot in the nature of things be specified. Configuration of these functions and the set
value conditions must be actually known beforehand and tested. Possible interlocking conditions of switching
devices (circuit breakers, disconnectors, earth switch) are of particular importance. They must be considered
and tested.

Siemens SIPROTEC 4 7VE61, Manual

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