3.7.2.4 Special function block outputs
The function block has a few outputs dedicated for special purposes.
Table 66: Special function block outputs
Output Description
CNF_CHANGE Any setting change in the protection relay activates this out-
put for a short period of time (100...200 ms).
GRPOFF Some application function blocks do now allow unconnected
analog inputs. In such a case, GRPOFF must be connected to
such an input.
DEV_WARN A protection relay's internal warning activates this output.
For more information, see Warnings under the Self-supervi-
sion section.
3.7.3 Signals
Table 67: PROTECTION Input signals
Name Type Default Description
BI_SG2 BOOLEAN 0 Setting group 2 is ac-
tive
BI_SG3 BOOLEAN 0 Setting group 3 is ac-
tive
BI_SG4 BOOLEAN 0 Setting group 4 is ac-
tive
BI_SG5 BOOLEAN 0 Setting group 5 is ac-
tive
BI_SG6 BOOLEAN 0 Setting group 6 is ac-
tive
MOD_TEST BOOLEAN 0 Activation of test
mode
MOD_BLK BOOLEAN 0 Block test mode
Table 68: PROTECTION Output signals
Name Type Description
SG_LOGIC_SEL BOOLEAN Logic selection for setting group
SG_1_ACT BOOLEAN Setting group 1 is active
SG_2_ACT BOOLEAN Setting group 2 is active
SG_3_ACT BOOLEAN Setting group 3 is active
SG_4_ACT BOOLEAN Setting group 4 is active
SG_5_ACT BOOLEAN Setting group 5 is active
SG_6_ACT BOOLEAN Setting group 6 is active
CNF_CHANGE BOOLEAN Active after any setting change
BEH_TEST BOOLEAN Logical device LD0 test status
BEH_BLK BOOLEAN Logical device LD0 block status
Table continues on the next page
Basic functions 1MRS759142 F
134 REX640
Technical Manual