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Functions
2.49 Auxiliary Functions
2.49.12.3Checking the Binary Inputs and Outputs
The binary inputs, outputs, and LEDs of a SIPROTEC 4 device can be individually controlled. This feature can
be, for example, to verify control wiring from the device to substation equipment (operational checks), during
commissioning.
A dialog box displays all binary inputs and outputs existing in the device, and the LEDs with their current state.
It also shows which commands or annunciations are masked to which hardware component. In another column
of the dialog box you can switch each item to the opposite state after entering password no. 6 (for hardware
test menus). Thus, you can energize every single output relay to check the wiring between protected device
and the system without having to create the alarm allocated to it.
The procedure is described in detail in Chapter "Mounting and Commissioning".
2.49.12.4Creating a Test Fault Record
During commissioning energization sequences should be carried out, to check the stability of the protection
also during closing operations. Oscillographic event recordings contain the maximum information about the be-
haviour of the protection.
Along with the capability of storing fault recordings via pickup of the protection function, the 7UM62 also has
the capability of initiating a measured value recording using the operator control program DIGSI, via the serial
interface and via binary inputs. For the latter, event „>Trig.Wave.Cap." must be allocated to a binary input.
Triggering of the recording then occurs, for example, via the binary input when the protection object is ener-
gized.
An oscillographic recording that is externally triggered (that is, without a protective element pickup or device
trip) is processed by the device as a normal oscillographic recording, and has a number for establishing a se-
quence. However, these recordings are not displayed in the fault log buffer in the display, as they are not
network fault events.
The procedure is described in detail in Chapter "Mounting and Commissioning".
348
SIPROTEC, 7UM62, Manual
C53000-G1176-C149-7, Release date 03.2010
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