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.......................................................................................................................................... 50
....................................................................................................................................................... 50
6.8.1. Digital Inputs....................................................................................................................................... 50
6.8.2. Synchronization Input IRIG-B............................................................................................................. 50
.................................................................................................................................................... 50
6.10.1. Current and Voltage Measurement .................................................................................................. 51
6.10.2. Frequency Measurement ................................................................................................................. 52
................................................................................................................................................ 52
6.11.1. Checking Recloser Cycle ................................................................................................................. 53
6.11.2. Checking the Recloser Block ........................................................................................................... 53
6.11.3. Checking Recloser Inhibition............................................................................................................ 53
6.11.4. Checking Reclose Initiation .............................................................................................................. 53
............................................................................................................................................... 61
7. INSTALLATION AND MAINTENANCE ..................................................................................................... 67
............................................................................................................................................. 67
............................................................................................................................................. 67
8. KEYBOARD AND DISPLAY ...................................................................................................................... 69
. ............................................................................................................................................... 70
....................................................................................................................................... 72
............................................................................................................ 51
(51PT) ................................................................................................. 54
(51NT)............................................................................................... 55
(67PL) ............................................................................................................. 56
(67NL) .......................................................................................................... 57
(81U) ................................................................................................................. 58
(81O) ................................................................................................................... 58
(27) ........................................................................................................................ 59
(59) .......................................................................................................................... 59
........................................................................................................................... 60
ABC - CBA................................................................................................................... 61
: UNDERVOLTAGE ..................................................................................... 61
: COIL FAILURE........................................................................................... 62
.................................................................................................................................. 78
................................................................................................................................... 80
.............................................................................................................................. 81
. .............................................................................................................................. 82
GEK-105593C
(50PH) ............................................................ 53
(50PL).............................................................. 53
(50NH)......................................................... 54
(50NL) ......................................................... 54
(59 NH) ..................................................................... 59
(59 NL)....................................................................... 60
................................................................. 67
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