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Rockwell Automation Publication 1407-UM002B-EN-P - February 2019
Appendix D
Specifications
Rotating Diode Monitor - Open and Shorted Diode Inhibit Levels
Phase Rotation Check
Soft Start Function
Voltage Matching
Over-excitation Limiting - Online
Attribute
Value
Field current
< 1.5 A DC
Generator frequency
< 45 Hz
Generator frequency
>70 Hz
Attribute
Range
Accuracy
Pickup
67% of rated voltage
±2% of rated voltage
Time delay
1 s
±0.1 s
Attribute
Value
Soft start initial voltage
0…90% of rated voltage in 1% increments
Soft start time
1…7200 s in 1 s increments
Attribute
Value
Accuracy
Generator rms voltage is matched with the rms
bus voltage to within ±0.5% of the generator
voltage.
Attribute
High Limiting
Medium Limiting
Low Limiting
Pickup range
0…30.0 A DC
0…20.0 A DC
0…15 A DC
Pickup increment
0.1 A DC
0.1 A DC
0.1 A DC
Time range
0…60 s
0…120 s
Continuous
Time increment
1 s
1 s
Response time
< 3 cycles