Toshiba GR-200 Series Instruction Manual page 249

8000001C23
EFCTF
8100001C27
OVGCTF
On
≥1
CTF-EN OPT-On
&
1
From PROT-CCOMMON
1
CB_ALLPH_CLOSE
0.02s
From test 3
AMF_OFF 1
800000EBB0 CTF_BLOCK
810000EBB1 EXTERNAL_CTF
Figure 2.21-1 Scheme logic in the CTF function
Note: Signal CB_ALLPH_CLOSE is provided from Protection common function
1
(PROT_COMMON). For more information, see Chapter 2.24.
Note: Output signals are provided for respective relays when the relays are available.
2
Appendix: Ordering
See
Note: AMF feature is used for the test. To generate the AMF signal, see Chapter
3
interface: test-submenu
If a PLC signal is injected at the PLC connection point "CTF_BLOCK", the operation of
the CTF function is blocked. The user can program to inject an external signal for the failure
detection using the PLC connection point EXTERNAL_CTF; the CTF_DETECT signal is
generated when the signal is injected at the EXTERNAL_CTF.
&
1
t 0
0.015s
&
1
≥1
1
8100001BB1
whether the relays are supplied into the IED.
(→p. 900).
- 230 -
8100001B60
≥1
S
t 0
≥1
R
1
0.1s
6F2T0200 (0.15)
8000001B61
t 0
CTF_ALARM
To Automatic supervision
10.0s
To EF 2
To BCD 2
To OCN
2
To UC
2
8000001B62
≥1
CTF_DETECT
User
GRE200 (1,2)