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For DT characteristic
EF1
For IDMT characteristic
EF1 PU
From ICD
ICD-OR
EF1-2PBlk
Block
EF1-EN
On
From VTF
VTF_DETECT
EF1-VTFBlk
From CTF
Block
CTF_DETECT
EF1-CTFBlk
Block
8000011B63
800001EBB0 EF1_BLOCK
8000011B64
800001EBB1 EF1_INST_OP
†Note: The presence of 'EF1' and 'EF1PU' signals depends on the operation characteristic
defined with setting [EF1_Timer], as shown in Table 2.2-4.
Table 2.2-4 Signal behaviors of PLC monitoring points 'EF1' and 'EF1PU'
PLC monitoring points
EF1
EF1PU
○
1 :
A pick-up signal is generated instantly when the element operates.
○
2 :
No signal due that the PU element is killed. Use 'EF1' in place of this.
○
3 :
A pick-up signal is generated, but delayed with the IDMT characteristic.
○
4 :
A pick-up signal is generated instantly.
From EF1 to EF4 logics
EF1-OPT-TRIP
EF2-OPT-TRIP
EF3-OPT-TRIP
EF4-OPT-TRIP
EF1-OPT-ALARM
EF2-OPT- ALARM
EF3-OPT- ALARM
EF4-OPT- ALARM
EF1-ARC-BLOCK
EF2- ARC-BLOCK
EF3- ARC-BLOCK
EF4- ARC-BLOCK
EF1-OPT
EF2-OPT
EF3-OPT
EF4-OPT
&
&
EF1_Timer
&
&
≥1
1
&
Figure 2.2-6 Scheme logic for the EF1
DT
IEC-NT,VI,EI, UK-LTI, IEET-MI,VI,EI, US-CO2,CO8, ORIGINAL
○
1
○
2
Figure 2.2-7 Grouping logic for TRC/Recording
TEF1
&
t
0
&
0.00-300.00s
&
&
≥1
&
DT
EF1-Usefor
IEC-NI
IEC-VI
EF1-ARCBlk
IEC-EI
UK-LTI
IEEE-MI
IEEE-VI
IEEE-EI
US-C02
US-C08
ORIGINAL
Setting [EF1_Timer]
○
3
○
4
- 50 -
6F2T0207 (0.01)
8000011C23
EF1†
8000011C27
EF1PU†
8000011B60
≥1
EF1-OPT
&
EF1-OPT-TRIP
Trip
&
EF1-OPT-ALARM
Alarm
&
Block
EF1-ARC-BLOCK
To TRC
≥1
EF-OPT-TRIP
≥1
EF-OPT-ALARM
≥1
EF-ARC-BLOCK
To Recording
EF1-OPT
EF2-OPT
EF3-OPT
EF4OPT
GRE200 (5,6)
To Grouping logic
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