ABB RELION REX640 Technical Manual page 316

Basic functions
3.25.1.1 Function block
Figure 191: Function block
3.25.1.2 Functionality
Redundant Ethernet channel supervision RCHLCCH represents LAN A and LAN B
redundant Ethernet channels.
3.25.1.3 Signals
Table 346: RCHLCCH Output signals
Name
CHLIV
REDCHLIV
LNKLIV
REDLNKLIV
316
Values (Range) Description
BOOLEAN Status of redundant Ethernet channel LAN
A When
"PRP", value is TRUE if the protection relay
is receiving redundancy supervision frames.
Otherwise the value is FALSE.
BOOLEAN Status of redundant Ethernet channel LAN
B When
"PRP", value is TRUE if the protection relay
is receiving redundancy supervision frames.
Otherwise the value is FALSE.
BOOLEAN Link status of redundant port LAN A Valid
only when
"PRP". Value is "Up" or "Down".
BOOLEAN Link status of redundant port LAN B Valid
only when
"PRP". Value is "Up" or "Down".
1MRS759142 F
Redundant mode is set to "HSR" or
Redundant mode is set to "HSR" or
Redundant mode is set to "HSR" or
Redundant mode is set to "HSR" or
Technical Manual
REX640