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Figure 2.17-6 Scheme logic of OCN1
†Note: The presence of ‘OCN1’ and ‘OCN1PU’ signals depends on the operation
characteristic defined with setting [OCN1_Timer], as shown in Table 2.17-5.
Table 2.17-5 Signal behaviors of PLC monitoring points ‘OCN1’ and ‘OCN1PU’
IEC-NT,VI,EI, UK-LTI, IEET-MI,VI,EI, US-CO2,CO8, ORIGINAL
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1 : A pick-up signal is generated instantly when the element operates.
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2 : No signal due that the PU element is killed. Use ‘OCN1’ in place of this.
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3 : A pick-up signal is generated, but delayed with the IDMT characteristic.
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4 : A pick-up signal is generated instantly.
Figure 2.17-7 Grouping logic for TRC/Recording
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