Toshiba GR200 Series Instruction Manual page 98

[TERM_TOPOLOGY]=2Term-Dual). Therefore, the operation signals in the
DIFL#2 is not generated in the RDIF.
Figure 2.7-3 examples the PLC monitoring signals "DIFL-A,-B, and -C" are sent for the
remote relays using sub-communication channels COM5-4,5,6 bits; communication application
function (COMM_APPL) function provides the features of the sub-communication channel. In
other words, the user should connect the PLC monitoring signals with PLC connection points
"COM5-1,-2,-3_S"†.
a. Sending frames for remote IE Ds in IEE E C37.94
N=1
Header
N=2
Header
N=3
Header
b. Connections for sending using PLC function†
From DIFL
8000001C20
DIFL-A
8100001C21
DIFL-B
8200001C22
DIFL-C
DIFL function
Figure 2.7-3 Mapping for sending signals using COM5 bits
†Note: For more information, see
For applying N=3 frame, set Wide for scheme switch [CH*_COM_WIDTH].
Reception of remote-DIFL-operation signal
We should receive remote-operation signals at the local RDIF function. Figure 2.7-4 shows the
RDIF reception logic: PLC connection points "R1.DIFL-A,-B, -C_OP" are provided for the
Remote-1_relay, the other PLC connection points "R2.DIFL-A,-B, -C_OP" are provided for the
Remote-2_relay. The signals received from both remote-relays are ORed; then they are ANDed
with the local signals provided the user sets On for scheme switch [DIFL-RDIF-EN].
Consequently, the local DIFL function begins to provide trip signals despite that the local DIFL
function fails to operate.
I 0 Ia V
Ia2 Ib2
Ia3 Ib3
800216EBB0 COM5-1_S
810216EBB1 COM5-2_S
820216EBB2 COM5-3_S
COMM_ APPL function (Function ID: 4A9001)
Chapter Relay application: Communication Application
- 75 -
Ib Ic CR C
Ic2 I 0 CR C
Ic3 COM5 CR C
COM5 (6bits) CRC CRC (8bits) CRC (8bits)
1 2 3 4 5 6
6F2S1914 (0.49)
.
GRL200 (Soft 033 & 037)