Isolated Digital Inputs; Nominal Pickup And Reset Thresholds - GE MiCOM P747 Agile Technical Manual

MiCOM P747
8.9

ISOLATED DIGITAL INPUTS

Compliance
Rated nominal voltage
Operating range
Withstand
Recognition time with half-cycle ac
immunity filter removed
Recognition time with filter on
8.9.1

NOMINAL PICKUP AND RESET THRESHOLDS

Nominal Battery voltage
24/27 V
30/34
48/54
110/125
220/250
Note:
Filter is required to make the opto-inputs immune to induced AC voltages.
P747-TM-EN-1
P747-TM-EN-1.1
Opto-isolated digital inputs (opto-inputs)
ESI 48-4
24 to 250 V dc
19 to 265 V dc
300 V dc
< 2 ms
< 12 ms
Logic levels: 60-80% DO/PU
Logic 0 < 16.2 V : Logic 1 > 19.2 V
Logic 0 < 20.4 V : Logic 1 > 24.0 V
Logic 0 < 32.4 V : Logic 1 > 38.4 V
Logic 0 < 75.0 V : Logic 1 > 88.0 V
Logic 0 < 150 V : Logic 1 > 176.0 V
Chapter 16 - Technical Specifications
Logic Levels: 50-70% DO/PU
Logic 0 <12.0 V : Logic 1 > 16.8
Logic 0 < 15.0 V : Logic 1 > 21.0 V
Logic 0 < 24.0 V : Logic 1 > 33.6 V
Logic 0 < 55.0 V : Logic 1 > 77.0 V
Logic 0 < 110.V : Logic 1 > 154.0 V
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