GE P741 Technical Manual page 111

Settings
MiCOM P741, P742, P743
The following lines give the default settings for digital inputs 2 to 32
Menu Text
Digital Input 2
Digital Input 3
Digital Input 4
Digital input 5
Digital input 6
Digital input 7
Digital input 8
Digital input 9
Digital input 10
Digital input 11
Digital input 12
Digital input 13
Digital input 14
Digital input 15
Digital input 16
Digital input 17
Digital input 18
Digital input 19
Digital Input 20
Digital Input 21 to 32
The digital channels may be mapped to any of the opto isolated inputs or output contacts,
in addition to a number of internal relay digital signals, such as protection starts, LEDs etc.
Menu Text
DISTURB. RECORDER
Manual Trigger
Command to trigger the disturbance recorder. The differential and bias currents recorded
depend of the following settings Zone to record.
Zone to record
Any one of the 8 zones can be recorded upon a manual triggering. If 2 or more zones are
selected, the check zone will be recorded
Default Setting Explanation
Circt Flt Lck z2 Circuitry fault blocks zone 2 digital channel
87BB Blocked digital 87BB Blocked channel
Ext Start DR External start of the disturbance recorder
digital channel
Earth Fault Earth fault digital channel
Fault Check zone Fault Check zone digital channel
Fault phase A Fault phase A digital channel
Fault phase B Fault phase B digital channel
Fault phase C Fault phase C digital channel
Flt 87BB zone 1 Fault 87BB zone 1 digital channel
Flt 87BB zone 2 Fault 87BB zone 2 digital channel
Manual Start DR Manual start of the disturbance recorder
digital channel
Topo/Set Changed Topology or setting changed digital channel
Trip Manual zone Manual trip of the zone digital channel
Trip 50BF zone 1 Trip 50BF zone 1 digital channel
Trip 50BF zone 2 Trip 50BF zone 2 digital channel
Trip 87BB zone 1 Trip 87BB zone 1 digital channel
Trip 87BB zone 2 Trip 87BB zone 2 digital channel
PU Error Lck z1 PU error blocks zone 1 digital channel
PU Error Lck z2 PU error blocks zone 2 digital channel
Unused
Default Setting
No Yes or No
Zone 1 Zone 1 to zone 8
P74x/EN ST/Na7
Setting Range
Min. Max.
(ST) 4-41
ST
Step Size