To perform a test of Binary signal transfer function (BinSignReceive/
BinSignTransm), the hardware (LDCM) and binary input and output signals to
transfer must be configured as required by the application.
There are two types of internal self supervision of BinSignReceive/BinSignTransm
•
The I/O-circuit board is supervised as an I/O module. For example it generates
FAIL if the board is not inserted. I/O-modules not configured are not supervised.
•
The communication is supervised and the signal COMFAIL is generated if a
communication error is detected.
Status for inputs and outputs as well as self-supervision status are available from the
local HMI under
•
Self-supervision status:
Main menu/Diagnostics/Internal events
•
Status for inputs and outputs:
Main menu/Test/Function status
, browse to the
function group of interest.
•
Remote communication related signals:
Main menu/Test/Function status/
Communication/Remote communication
Test the correct functionality by simulating different kind of faults. Also check that
sent and received data is correctly transmitted and read.
A test connection is shown in figure
. A binary input signal (BI) at End1 is
configured to be transferred through the communication link to End2. At End2 the
received signal is configured to control a binary output (BO). Check at End2 that the
BI signal is received and the BO operates.
Repeat the test for all the signals configured to be transmitted over the communication
link.
Section 10
1MRK 506 355-UEN A
Testing functionality by secondary injection
242
Line distance protection REL670 2.1 IEC
Commissioning manual
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