Advertisement
characteristic defined with setting [OCN1_Timer], as shown in Table 2.5-4.
Table 2.5-4 Signal behaviors of PLC monitoring points 'OCN1' and 'OCN1PU'
PLC monitoring points
OCN1
OCN1PU
○
1 :
A pick-up signal is generated instantly when the element operates.
○
2 :
No signal due that the PU element is killed. Use 'OCN1' in place of that.
○
3 :
A pick-up signal is generated, but delayed with the IDMT characteristic.
○
4 :
A pick-up signal is generated instantly.
From OCN1 to OCN4 logics
OCN1-OPT-TRIP
OCN2-OPT-TRIP
OCN3-OPT-TRIP
OCN4-OPT-TRIP
OCN1-OPT-ALARM
OCN2-OPT- ALARM
OCN3-OPT- ALARM
OCN4-OPT- ALARM
OCN1-ARC-BLOCK
OCN2- ARC-BLOCK
OCN3- ARC-BLOCK
OCN4- ARC-BLOCK
OCN1-OPT
OCN2-OPT
OCN3-OPT
OCN4-OPT
Figure 2.5-7 Grouping logic for TRC/Recording
Setting [OCN1_Type]
DT
IEC-NT,VI,EI, UK-LTI, IEET-MI,VI,EI, US-CO2,CO8, ORIGINAL
○
1
○
2
- 100 -
6F2T0207 (0.01)
○
3
○
4
To TRC
≥1
OCN-OPT-TRIP
≥1
OCN-OPT-ALARM
≥1
OCN-ARC-BLEFK
To Recording
OCN1-OPT
OCN2-OPT
OCN3-OPT
OCN4OPT
GRE200 (5,6)
Advertisement
