Siemens 7SJ82 Manual page 135

NOTE
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i
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
(_:5161:301) Status
of lay. 1 and 2
SIPROTEC 5, Overcurrent Protection, Manual
C53000-G5040-C017-8, Edition 07.2017
Description
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
135