2 Functions
220
7UM61 Manual
C53000-G1176-C127-3
Checking the
Binary Inputs and
Outputs
The binary inputs, outputs, and LEDs of a SIPROTEC
®
4 device can be individually
and precisely controlled in DIGSI. This feature can be used, for example, to verify
control wiring from the device to substation equipment (operational checks), during
commissioning.
A dialog box shows all binary inputs and outputs and LEDs of the device with their
present status. The operating equipment, commands, or messages that are config-
ured (masked) to the hardware components are displayed also. After entering pass-
word no. 6 (for hardware test menus), it is possible to switch to the opposite status in
another column of the dialog box. 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".
Creating a Test Os-
cillographic Re-
cording
During commissioning energization sequences should be carried out, to check the sta-
bility of the protection also during closing operations. Oscillographic event recordings
contain the maximum information about the behaviour of the protection.
Along with the capability of storing fault recordings via pickup of the protection func-
tion, the 7UM61 also has the capability of capturing the same data when commands
are given to the device via the service program DIGSI, the serial interface, or a binary
input. For the latter, event “>Trig.Wave.Cap.” must be allocated to a binary input.
Triggering for the oscillographic recording then occurs, for instance, via the binary
input when the protection object is energized.
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 sequence. 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".
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