3 Mounting and Commissioning
406
7SA522 Manual
C53000-G1176-C155-3
Figure 3-19 Test of the Binary Inputs and Outputs — Example
Changing the
Operating State
To change the operating state of a hardware component, click on the associated
switching field in the Scheduled column.
Before executing the first change of the operating state the password No. 6 will be re-
quested (if activated during configuration). After entry of the correct password a con-
dition change will be executed. Further state changes remain enabled until the dialog
box is closed.
Test of the Binary
Outputs
Each individual output relay can be energized allowing a check of the wiring between
the output relays of the 7SA522 and the plant, without having to generate the message
that is assigned to the relay. As soon as the first change of state for any of the output
relays is initiated, all output relays are separated from the internal device functions,
and can only be operated by the hardware test function. This means, that e.g. a TRIP
command coming from a protection function or a control command from the operator
panel to an output relay cannot be executed.
Proceed as follows in order to check the output relay :
• Make sure that the switching operations caused by the output relays, can be exe-
cuted without any danger (see above under DANGER!).
• Each output relay must be tested via the corresponding Scheduled-cell in the
dialog box.
• Finish the testing (see margin title below “Exiting the Procedure”), so that during
further testings no unwanted switching is initiated.
Test of the Binary
Inputs
To test the wiring between the plant and the binary inputs of the 7SA522 the condition
in the system which initiates the binary input must be generated and the response of
the device checked.
To do so, open the dialog box Hardware Test again to view the physical position of
the binary input. The password is not yet required.
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