11.15 Station communication
SEMOD53595-1 v1
11.15.1 Multiple command and transmit MULTICMDRCV /
MULTICMDSND
SEMOD172432-5 v3
The multiple command and transmit function (MUL
TICMDRCV /
MULTICMDSND) is only applicable for horizontal communication.
Test of the multiple command function block and multiple transmit is
recommended to be performed in a system, that is, either in a complete delivery
system as an acceptance test (FAT/SAT) or as parts of that system, because the
command function blocks are connected in a delivery-specific way between bays
and the station level and transmit.
Command and transmit function blocks included in the operation of different built-
in functions must be tested at the same time as their corresponding functions.
11.16 Remote communication
SEMOD53601-1 v1
11.16.1 Binary signal transfer
M14951-2 v6
Prepare the IED for verification of settings as outlined in section
"Preparing the
IED to verify settings".
To perform a test of the binary signal transfer functions, 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 the binary signal transfer:
•
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
1MRK 505 378-UEN A Section 11
Testing functionality by secondary injection
Line differential protection RED670 2.2 IEC 269
Commissioning manual
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