Winco DGC-2020 - Manual (Page 17)

9400200990 Rev B DGC-2020 General Information 1-7
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%
Generator Protection Functions
Overvoltage (59) and Undervoltage (27)
Pickup Range:
70 to 576 Vac
Pickup Increment: 1 Vac
Inhibit Frequency Range: 20 to 400 Hz (27 function only)
Activation Delay Range: 0 to 30 s
Activation Delay Increment: 0.1 s
Underfrequency (81U) and Overfrequency (81O)
Pickup Range:
45 to 66 Hz (50/60 Hz nominal)
360 to 440 Hz (400 Hz nominal)
Pickup Increment: 0.1 Hz (50/60 Hz nominal)
0.1 Hz (400 Hz nominal)
Activation Delay Range: 0 to 30 s
Activation Delay Increment: 0.1 s
Inhibit Voltage Range: 70 to 576 Vac (81U function only)
Overcurrent (51) (Optional)
Pickup Range:
0.18 to 1.18 Aac (1 A current sensing)
0.9 to 7.75 Aac (5 A current sensing)
Time Dial Range: 0 to 30 s (fixed time curve)
0 to 9.9 (inverse curve time multiplier)
Time Dial Increment: 0.1
Inverse Time Curves: See Appendix A, Time Overcurrent Characteristic Curves
Phase Imbalance (47) (Optional)
Pickup Range:
5 to 100 Vac
Pickup Increment: 1 Vac
Activation Delay Range: 0 to 30 s
Activation Delay Increment: 0.1 s
Logic Timers
Range:
0 to 10 s