3.25.2.1 Function block
Figure 192: Function block
3.25.2.2 Functionality
Ethernet channel supervision SCHLCCH represents X1/LAN, X2/LAN and X3/LAN
Ethernet channels.
An unused Ethernet port can be set "Off" with the setting Configuration>
Communication> Ethernet> Rear port(s)> Port x Mode. This setting closes the
port from software, disabling the Ethernet communication in that port. Closing an
unused Ethernet port enhances the cyber security of the relay.
3.25.2.3 Signals
Table 349: SCHLCCH1 Output signals
Name Type Description
CH1LIV BOOLEAN Status of Ethernet channel X1/LAN When
Re-
dundant mode
is set to "None" or port is not
one of the redundant ports (LAN A or LAN B),
value is TRUE if the port is receiving Ethernet
frames. Otherwise the value is FALSE.
LNK1LIV BOOLEAN Link status of Ethernet port X1/LAN Value is
"Up" or "Down".
Table 350: SCHLCCH2 Output signals
Name Type Description
CH2LIV BOOLEAN Status of Ethernet channel X2/LAN When
Re-
dundant mode
is set to "None" or port is not
one of the redundant ports (LAN A or LAN B),
value is TRUE if the port is receiving Ethernet
frames. Otherwise the value is FALSE.
LNK2LIV BOOLEAN Link status of Ethernet port X2/LAN Value is
"Up" or "Down".
Table 351: SCHLCCH3 Output signals
Name Type Description
CH3LIV BOOLEAN Status of Ethernet channel X3/LAN When
Re-
dundant mode
is set to "None" or port is not
one of the redundant ports (LAN A or LAN B),
value is TRUE if the port is receiving Ethernet
frames. Otherwise the value is FALSE.
LNK3LIV BOOLEAN Link status of Ethernet port X3/LAN Value is
"Up" or "Down".
Basic functions 1MRS759142 F
318 REX640
Technical Manual
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