GE L90 Instruction Manual page 428

5.7 CONTROL ELEMENTS
• HYB POTT RX1 through HYB POTT RX4: These settings allow the user to select the FlexLogic operands that repre-
sent the receive signals for the scheme. Typically input contacts interfacing with a signaling system are used. In single-
bit applications,
HYB POTT RX1
four-bit applications,
SETTI G
GND DIR O/C FWD:
Off = 0
FLEXLOGIC OPERA DS
OR
PH DIST Z2 PKP
GND DIST Z2 PKP
Off
FLEXLOGIC OPERA D
LINE PICKUP LEO PKP
OPEN POLE OP
LINE PICKUP UV PKP
SETTI G
HYB POTT W/I COND:
Off = 0
SETTI G
HYB POTT SCHEME
FUNCTION:
Disabled=0
Enabled=1
SETTI G
HYB POTT BLOCK:
5
Off = 0
SETTI GS
HYB POTT NO OF
COMM BITS:
HYB POTT RX1:
Off = 0
HYB POTT RX2:
Off = 0
HYB POTT RX3: OR
Off = 0
HYB POTT RX4:
Off = 0
Off
SETTI G
HYB POTT ECHO COND:
Off=0
SETTI G
GND DIR O/C REV:
Off = 0
FLEXLOGIC OPERA DS
OR
PH DIST Z4 PKP
GND DIST Z4 PKP
PH DIST Z1 PKP
GND DIST Z1 PKP
5-298
must be used. In two-bit applications,
,
HYB POTT RX1 HYB POTT RX2
SETTI G
HYB POTT WEAK
INFEED:
Disabled
OR
Enabled
AND
Custom
SETTI G
AND
HYB POTT RX PICKUP
DELAY:
t
PKP
0
100 msec
SETTI G
SETTI GS
HYB POTT
PERMISSIVE ECHO:
ECHO DURATION:
Disabled
ECHO LOCKOUT:
Echo duration and
Enabled AND
lockout logic
AND
Custom
SETTI GS
TRANS BLOCK PICKUP
DELAY:
TRANS BLOCK RESET
DELAY:
t
PKP
t
RST
Figure 5–160: HYBRID POTT SCHEME LOGIC
L90 Line Current Differential System
HYB POTT RX1
, , and
HYB POTT RX3 HYB POTT RX4
SETTI G
HYB POTT SEAL-IN
DELAY:
0
AND
AND
FLEXLOGIC OPERA DS
0
AR FORCE 3P TRIP
OPEN POLE OP
AND
FLEXLOGIC OPERA DS
AR FORCE 3P TRIP
OPEN POLE OP
AND
OR
FLEXLOGIC OPERA DS
OR
AR FORCE 3P TRIP
OPEN POLE OP
5 SETTINGS
and must be used. In
HYB POTT RX2
must be used.
FLEXLOGIC OPERA D
HYB POTT OP
t
RST
SETTI G
HYB POTT NO OF
COMM BITS:
RUN
FLEXLOGIC OPERA DS
Phase
HYB POTT TRIP A
Selector
HYB POTT TRIP B
RX
TRIP TABLE
HYB POTT TRIP C
HYB POTT TRIP 3P
SETTI G
HYB POTT NO OF
COMM BITS:
RUN
RX
Phase
Selector ECHO TABLE
FLEXLOGIC OPERA DS
HYB POTT TX1
HYB POTT TX2
HYB POTT TX3
RUN
HYB POTT TX4
Phase
Selector
TRANSMIT TABLE
GE Multilin
837015AL.CDR