Alstom MiCOM P546 - Page 341

Operation P54x/EN OP/La4
MiCOM P543, P544, P545 & P546 (OP) 5-167
OP
The following default logic can be programmed to activate this feature:
DDB #233
Function Key 2
DDB 1097
Function Key 3
DDB 1098
Close in Prog
DDB 842
1
FnKey LED2 Grn
DDB 1043
Non -
Latching
FnKey LED3 Red
DDB 1044
FnKey LED3 Grn
DDB 1045
Init Close CB 1
DDB 440
Init Trip CB 1
DDB 439
Non -
Latching
FnKey LED2 Red
DDB 1042
P1621ENb
Figure 108 CB control via function keys default PSL
Function key 2 and function key 3 are both enabled and set to ‘Normal’ Mode and the
associated DDB signals ‘DDB 1097’ and ‘DDB 1098’ will be active high ‘1’ on key press.
The following DDB signal must be mapped to the relevant function key:
Trip CB (DDB 439) - Initiate manual circuit breaker trip
Close CB (DDB 440) - Initiate manual circuit breaker close
The programmable function key LEDs have been mapped such that the LEDs will indicate
yellow while the keys are activated.