Manual 85586V1
AtlasPC Digital Control, Vol. I
Woodward
81
TempDrift
(4–20 mA, FS = 25 mA)
–40 to +85 °C
Any 40 °C change
Typical (1
σ
):
< 0.5% or 0.125 mA < 0.3% or 0.075 mA
Max (3
σ
):
< 1.2% or 0.30 mA
< 0.8% or 0.20 mA
Temp Drift
(±9V range)
–40 to +85 °C
Any 40 °C change
Typical (1
σ
):
< 0.3% or 54.0 mV
< 0.3% or 54.0 mV
Max (3
σ
):
< 0.6% or 108.0 mV < 0.5% or 90.0 mV
Temp Drift
(±3V range)
–40 to +85 °C
Any 40 °C change
Typical (1
σ
):
< 0.9% or 54.0 mV
< 0.9% or 54.0 mV
Max (3
σ
):
< 1.8% or 108.0 mV < 1.5% or 90.0 mV
TempDrift
(±1V range)
–40 to +85 °C
Any 40 °C change
Typical (1
σ
):
< 2.7% or 54.0 mV
< 2.7 % or 54.0 mV
Max (3
σ
):
< 5.4% or 108.0 mV < 4.5% or 90.0 mV
•
options: 4–20 mA, ±1V, ±3V, ±9V; software and wiring selectable. Both the GAP
block field and the wiring must be changed to switch between current and voltage
outputs. Only the GAP block field must be changed to switch between the voltage
outputs.
PT/CT Accuracy Table
Metering Item
Accuracy with Default Filter
Values of 0.67
Voltage
0.25% or 0.175 V, 70 Vac scale
0.25% or 0.3 V, 120 Vac scale
0.25% or 0.6 V 240 Vac scale
Current
0.25% or 12.5 mA
Power
0.5% or 1.75 VA, 70 V scale
0.5% or 3.0 VA, 120 V scale
0.5% or 6.0 VA, 240 V scale
Power Factor
±
0.003 PF
Across entire range of 0.5 lead to
0.5 lag
Frequency
0.08% of 60 Hz or
±
0.048 Hz
Synchronizing
0.25% or
±
0.00157 rad or
±
0.9°
Harmonics 2-7
1% or 50 mA for current
1% or 0.7 V, 70 Vac scale
1% or 1.2 V, 120 Vac scale
1% or 2.4 V, 240 Vac scale
Harmonics 9, 11, 13
2% or 100 mA for current
2% or 1.4 V, 70 Vac scale
2% or 2.4 V, 120 Vac scale
2% or 4.8 V, 240 Vac scale
Negative Phase
Sequence Voltage or
Current
0.5% or 25 mA for current
0.5% or 0.35 V, 70 Vac scale
0.5% or 0.6 V, 120 Vac scale
0.5% or 1.2 V, 240 Vac scale
Typical Temperature
Drift for voltage inputs
<0.4% of Vrange for any 40 °C
change
Typical Temperature
Drift for current inputs
<0.4% or 20.0 mA for any 40 °C
change
* Accuracy values at 25 °C with no harmonics
Summary of Contents for AtlasPC
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