Ametek UPLC-II - Page 45

January 2016 Page 2–33
2
D
CLK
Q
Q
PR
CL
GBT =GuardBefore Trip
TAG= Trip AfterGuard
CB=CheckBack Trip= TripFreq.Received
DTT =Direct Transfer Trip
LR=LineRelaying
D
CLK
Q
Q
PR
CL
U41
U13
U44
U35
U10
U1
GBT OVERRIDE
GBT OVERRIDE
U15
U8
U9
U34
U14
U38
U6
U19
U4
U33 U11
U31
U21
U2
U32
U16
U43
U37
U22
NORMAL GBT
NORMAL GBT
GBT DISABLED
GBT DISABLED
U30
U7
U12
U20
U42
U3
U5
U36
U17
U39
LogicLevel1
LogicLevel1
LogicLevel1
LogicLevel1
1= TRIP A OUT
1=GUARD A OUT
1=NOISEOUT
0
1=FADE ALARMOUT 1=FADEMARGINOUT
1=CB TRIP A OUT
1
1=GUARDBOUT
1= TRIP BOUT
1=CB TRIP BOUT
1
PRE-TRIP
TIMER
TRIP HOLD
TIMER
GBT OVERRIDE
TIMER
GBT RESTORE
TIMER
0
______
N
0
______
N
GUARDHOLD
TIMER
GBT TIMER
N=0to100msin
N=0to100msin
N=0to100msin
N=0to100msin
1mssteps.
1mssteps.
1mssteps.
1mssteps.
N=0to30msin
1mssteps.
Fromreceiverfront-end andchannelbandpass digitalfilter. FSdiscriminator, amplitudedetector andfastnoise detector
1=NOISE
LOWLEVEL
HOLD TIMER
0
__________
3ms
NOISEHOLD
TIMER
GBT Mode
Thesearenotreal
Thesearenotreal
switches. Theyshow
switches. Theyshow
programmedsetting.
programmedsetting.
1=LOW LEVEL
3ms
__________
0
UNBLOCKDELAY
FORCMD A
N=0to100msin
1mssteps.
_________
N 0
UNBLOCK
TIMER
N=0to500msin
1mssteps.
N
_________
0
_________
N
0
TAG TIMER
1000ms
___________
0
200ms
0
___________
1=GOOD CHANNEL OUT
0
_________
120ms
_________
0
120ms
TheUnblockfunctionisdisabled
whenUnblock Timerisprogrammed
toN=0.
Receivedtripsetstimerto"N"
(timeroutputisthen0).
1=UnBlock Trip A
(ForSOEsonly).
PRE-TRIP
TIMER
TRIP HOLD
TIMER
GBT OVERRIDE
TIMER
GBT RESTORE
TIMER
0
______
N
0
______
N
GUARDHOLD
TIMER
GBT TIMER
_________
0
120ms
TAG TIMER
1000ms
___________
0
N=0to30msin
1mssteps.
200ms
0
___________
0
_________
120ms
_________
N
0
GBT Mode
1=COMMAND A (F4)
1=GUARD(F3) 1=COMMANDB(F2)
U18
UNBLOCKDELAY
FORCMDB
N=0to100msin
1mssteps.
N
_________
0
1=COMMAND A &B(F1)
N
N=0to500msin
1mssteps.
UNBLOCK TIMER
0
_________
U40
Receivedtripsetstimerto"N"
(timeroutputisthen0).
TheUnblockfunctionisdisabled
whenUnblock TimerisprogrammedtoN=0.
1=UnBlock TripB
(ForSOEsonly).
Figure 2–16. FSK Mode: 4-Frequency Logic Diagram