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I.L. 40-385.7
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ESCRIPTION OF
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IGURE
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AGE
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POTT/Unblocking Pilot Trip Logic - - - - - - - - - - - - - - - - - - - - - -3-22 - - - - - - - - - - - -3-43
Carrier Keying/Receiving Logic in POTT/Unblocking schemes - - - - - - - -3-23 - - - - - - - - - - - -3-43
PUTT Keying Logic - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-24 - - - - - - - - - - - -3-44
Blocking System Logic - - - - - - - - - - - - - - - - - - - - - - - - - - -3-25 - - - - - - - - - - - -3-45
PLTG supplemented by FDOG - - - - - - - - - - - - - - - - - - - - - - -3-26 - - - - - - - - - - - -3-46
Power Reversed on POTT/Unblocking Schemes - - - - - - - - - - - - - -3-27 - - - - - - - - - - - -3-46
Unequal Pole Closing on Fault - - - - - - - - - - - - - - - - - - - - - - -3-28 - - - - - - - - - - - -3-47
Line Application - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -3-29 - - - - - - - - - - - -3-47
Additional Logic for PUTT Scheme on 3-Terminal Line Application- - - - - -3-30 - - - - - - - - - - - -3-48
Weakfeed Application - - - - - - - - - - - - - - - - - - - - - - - - - - -3-31 - - - - - - - - - - - -3-49
Reversible Zone 3 Phase and Ground (Reverse Block Logic) - - - - - - - -3-32 - - - - - - - - - - - -3-49
Composited Signal for Programmable Output Contacts - - - - - - - - - - -3-33 - - - - - - - - - - - -3-50
REL300 Backplane - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 4-1 - - - - - - - - - - - -4-13
REL300 Backplane PC Board Terminal - - - - - - - - - - - - - - - - - - - 4-2 - - - - - - - - - - - -4-14
Test Connection for Single-Phase-to-Ground Faults (sheet 1 of 4) - - - - - - B-1 - - - - - - - - - - - - B-6
Test Connection for Three-Phase Faults (sheet 2 of 4) - - - - - - - - - - - B-2 - - - - - - - - - - - - B-7
Test Connection for Phase-to-Phase Faults (sheet 3 of 4) - - - - - - - - - - B-3 - - - - - - - - - - - - B-8
Test Connection for Dual Polarizing Ground Directional Unit (sheet 4 of 4) - - B-4 - - - - - - - - - - - - B-9
REL300 with Out-of-Step Block Option - - - - - - - - - - - - - - - - - - - B-5 - - - - - - - - - - - B-10
REL300 Block Diagram - - - - - - - - - - - - - - - - - - - - - - - - - - SD-1 - - - - - - - - - - - SD-2
REL300 System Logic Diagram (sheet 1 of 3) - - - - - - - - - - - - - - - SD-2 - - - - - - - - - - - SD-3
REL300 System Logic Diagram (sheet 2 of 3) - - - - - - - - - - - - - - - SD-3 - - - - - - - - - - - SD-4
REL300 System Logic Diagram (sheet 3 of 3) - - - - - - - - - - - - - - - SD-4 - - - - - - - - - - - SD-5
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