GE L60 Instruction Manual page 393

Line phase comparison system, ur series
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5 SETTINGS
SETTING
POTT SCHEME
FUNCTION:
Disabled = 0
Enabled = 1
FLEXLOGIC OPERANDS
AND
PH DIST Z2 PKP
OR
GND DIST Z2 PKP
SETTING
GND DIR O/C FWD:
AND
Off = 0
FLEXLOGIC OPERAND
AND
POTT RX:
Off = 0
FLEXLOGIC OPERAND
LINE PICKUP LEO PKP
SETTING
POTT PERMISSIVE ECHO:
Disabled = 0
Enabled = 1
GE Multilin
SETTINGS
POTT RX PICKUP
DELAY:
t
PKP
0
SETTINGS
TRANS BLOCK PICKUP
AND
DELAY:
TRANS BLOCK RESET
DELAY:
t
PKP
t
RST
SETTINGS
LINE END OPEN PICKUP
DELAY:
t
PKP
0
AND
Figure 5–136: POTT SCHEME LOGIC
L60 Line Phase Comparison System
5.6 CONTROL ELEMENTS
AND
SETTINGS
POTT SEAL-IN
DELAY:
0
OR
t
RST
AND
SETTINGS
ECHO DURATION:
ECHO LOCKOUT:
Echo duration and lockout logic
FLEXLOGIC OPERAND
POTT OP
5
FLEXLOGIC OPERAND
OR
POTT TX
837014A9.CDR
5-255

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