Toshiba GR200 Series - Page 212

6F2S1914 (0.49)
GRL200 (Soft 033 & 037)
- 189 -
terminals when any of the following conditions are satisfied:
1. The forward overreaching element operates; and CRL has not observed the current
reversal.
2. When On is set for scheme switch [Dis-ECHO], CB is opened; and a trip permission
signal (DISCAR-CS-*) is received from the other terminal.
3. When On is set for scheme switch [Dis-ECHO], the forward overreaching element
(ZCSF/ZCGF) and the reverse looking element (ZCSR/ZCGR) have not operated; and
a trip permission signal is received from the other terminal.
DISCAR-ARCBlk
ZCGF-AX
&
&
&
&
From Terminal 1
Receipt of trip permission signals
From Terminal 2
ZCGF-BX
ZCGF-CX
From ZG in local Terminal
From ZS in local Terminal
To carrier
send circuit
8000001B68
8100001B69
8200001B6A
≥1
≥1
≥1
≥1
8000001B73
8100001B74
8200001B75
DISCAR-OPT-A
DISCAR-OPT-B
DISCAR-OPT-C
DISCAR-OPT-S
8300001B76
≥1
≥1
≥1
&
≥1
DISCAR-ARC-BLOCK
8000001B20
8100001B21
8200001B22
DISCAR-TRIP-A
DISCAR-TRIP-B
DISCAR-TRIP-C
≥1
3P
DISCAR_TPMD
&
8100001B77
Block
Week infeed trip logic (WKIT)
To TRC
Current
reversal
logic
(CRL)
1
&
1
&
&
1
&
&
&
1
&
&
&
≥1
≥1
≥1
&
&
&
≥1
≥1
≥1
ZCSF-ABX
-CX
ZCSF-BCX
-CX
ZCSF-CAX
-CX
≥1
≥1
≥1
≥1
&
&
&
≥1
DISCAR-CS-C_POUP
ZCGR-AX
-CX
ZCGR-BX
-CX
ZCGR-CX
-CX
ZCSF-X
-CX
ZCSR-X
-CX
From ZG in local Terminal
DISCAR-CS-S_POUP
DISCAR-CS-B_POUP
DISCAR-CS-A_POUP
DISCAR-CS-CA_POUP
DISCAR-CS-BC_POUP
DISCAR-CS-AB_POUP
800000EBBF DISCAR_3PTP
800000EBBF DISCAR_ARCBLOCK
800000EBB0 DISCAR_BLK
8000001BB0
CAR_BLOCK
From CARRIER-COMMON
≥1
1
≥1
≥1
≥1
≥1
CH1-USE
1
CH2-USE
1
≥1
≥1
≥1
≥1
=1
=1
=1
=1
=1
=1
=1
=1
≥1
=1
≥1
=1
POP
Dis-CAR
UOP
External DISCAR-R1
Integral DISCAR-R1-A
Integral DISCAR-R1-B
Integral DISCAR-R1-C
Integral DISCAR-R1-S
External DISCAR-R2
Integral DISCAR-R2-A
Integral DISCAR-R2-B
Integral DISCAR-R2-C
Integral DISCAR-R2-S
Figure 2.12-3 POP and UOP scheme logic