9400200990 Rev I DGC-2020 General Information 1-7
Power Factor
Metering Range: 0.2 leading to 0.2 lagging
Calculation Method: PF = P (3-phase average) ÷ S (3-phase average)
Accuracy: ±0.02 ∗
∗ Applies when temperature is between -40°C to +70°C.
Real Power
Indicates total kW and individual line kW (4-wire, line-to-neutral or 3-wire line-to-line)
Measurement/Calculation Methods
Total: PF × Total kVA
4-Wire, Line-to-Neutral: kW calculated with respect to neutral
3-Wire, Line-to-Line: A-phase kW = V
AB
× I
A
× PF ÷ 1000 ÷ √3
B-phase kW = V
BC
× I
B
× PF ÷ 1000 ÷ √3
C-phase kW = V
CA
× I
C
× PF ÷ 1000 ÷ √3
Accuracy: ±3% of the full-scale indication or ±2 kW ∗†
∗ kW metering indicates 0 kW when the generator kW is below 2% of the full-scale rating.
† Applies when temperature is between -40°C to +70°C.
Oil Pressure
Metering Range: 0 to 145 psi or 0 to 1,000 kPa
Accuracy: ±3% of actual indication or ±2 psi or ±12 kPa (subject to accuracy of
sender)
Display Resolution: 1 psi or 1 kPa
Coolant Temperature
Metering Range: 32 to 410°F or 0 to 204°C
Accuracy: ±3% or actual indication or ±2° (subject to accuracy of sender)
Battery Voltage
Metering Range: 6 to 32 Vdc
Accuracy: ±3% of actual indication or ±0.2 Vdc
Display Resolution: 0.1 Vdc
Engine RPM
Metering Range: 0 to 4,500 rpm
Accuracy: ∗ ±2% of actual indication or ±2 rpm
Display Resolution: 2 rpm
∗ When engine speed is below 2% of full-scale, reported rpm is 0.
Engine Run Time
Engine run time is retained in nonvolatile memory.
Metering Range: 0 to 99,999 h
Update Interval: 6 min
Accuracy: ±1% of actual indication or ±12 min
Display Resolution: 1/10 hour
Maintenance Timer
Maintenance timer indicates the time remaining until genset service is due. Value is retained in
nonvolatile memory.
Metering Range: 0 to 5,000 h
Update Interval: 6 min
Accuracy: ±1% or actual indication or ±12 min
Display Resolution: 1/10 hour
Fuel Level
Metering Range: 0 to 100%
Accuracy: ±2% (subject to accuracy of sender)
Display Resolution: 1.0%
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