GE P741 Technical Manual page 285

Programmable Logic
MiCOM P741, P742, P743
LED
LED Input Connection/Text
Number
LED8 Red
8 LED8 Yellow
LED8 Green
FnKey LED1 Red
9 FnKey LED1 Yellow
FnKey LED1 Green
FnKey LED2 Red
10 FnKey LED2 Yellow
FnKey LED2 Green
FnKey LED3 Red
11 FnKey LED3 Yellow
FnKey LED3 Green
FnKey LED4 Red
12 FnKey LED4 Yellow
FnKey LED4 Green
FnKey LED5 Red
13 FnKey LED5 Yellow
FnKey LED5 Green
FnKey LED6 Red
14 FnKey LED6 Yellow
FnKey LED6 Green
FnKey LED7 Red
15 FnKey LED7 Yellow
FnKey LED7 Green
FnKey LED8 Red
16 FnKey LED8 Yellow
FnKey LED8 Green
FnKey LED9 Red
17 FnKey LED9 Yellow
FnKey LED9 Green
FnKey LED10 Red
18 FnKey LED10 Yellow
FnKey LED10 Green
Latched P74x LED Function Indication
Fiber communication Error
No Fiber communication to change
Fiber communication healthy
Zone or CZ circuitry fault block.
No Zone or CZ circuitry fault alarm
No Zone or CZ circuitry fault
Zone or CZ PU error fault block.
No Zone or CZ PU error fault alarm
No Zone or CZ PU error fault
All protections Disabled
No Not used
All protections Not Disabled
Zone 1: 87BB & 50BF blocked
No Zone 1: 50BF blocked
Zone 1: protected
Zone 2: 87BB & 50BF blocked
No Zone 2: 50BF blocked
Zone 2: protected
Not used
No Not used
Reset CU Indications
Not used
No Not used
Reset CU & PU Indications
Not used
No Not used
Reset PU Trip Latch
Not used
No Not used
Manual DR trigger
Not used
No Dead Zone fault
Not used
P74x/EN PL/Na7
(PL) 7-51
PL