NOTE
You can use the following procedure to reset the measured values for the protection interface directly in
the device:
Device functions > x Device protection comm. > Protection interface y > Reset measured values.
Output Signals of the Protection Interface
Each individual protection interface provides the following indications for commissioning and diagnosing
communication:
Indication Description
(_:5161:301) Status
of lay. 1 and 2
The output signal gives you information about the state of communication layers
1 and 2 (1: Physical Layer, 2: Data Link Layer). The following indications values
are possible:
•
Initialized
:
The protection interface is not connected and is in the Initial state.
•
Protection interface connected
:
The protection interface is connected to the protection interface of a device.
•
Protection interface disturbance
:
The protection interface has not received any valid telegrams for the time
set in parameter (_:5161:107) Disturbance alarm after.
•
Protection interface failure
:
The protection interface has not received any valid telegrams for the time
set in parameter (_:5161:108) Transm. fail. alarm after .
•
not present
:
The protection interface has not been assigned to a communication
channel.
System Functions
3.5 Protection Communication
SIPROTEC 5, High-Voltage Bay Controller, Manual 119
C53000-G5040-C015-9, Edition 11.2017