Basler BE1-CDS240, Instruction Manual

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9365200990 Rev F BE1-CDS240 General Information 1-21
#50TQ: ±0.5% or ±1 cycle, whichever is greater, plus trip
time for instantaneous response (0.0 setting)
Trip Time for 0.0 Delay Setting
#50TP, #50TN: 1¼ cycles maximum for current 5 times the pickup
setting.
2 cycles maximum for current 1.5 times pickup.
4 cycles maximum for current 1.05 times the
pickup setting
#50TQ: 2¼ cycles maximum for current 5 times the pickup
setting.
3 cycles maximum for current 1.5 times pickup.
5 cycles maximum for current 1.05 times the
pickup setting.
Time Overcurrent Functions
Current Pickup, Phase, and Neutral (#51P, #51N)
Dropout/pickup ratio: 95% of pickup value
Pickup Accuracy
5 Ampere CT: ±2% or ±50 mA
1 Ampere CT: ±2% or ±10 mA
Current Pickup, Negative-Sequence (#51Q)
Dropout/pickup ratio: 95% of pickup value
Pickup Accuracy
5 Ampere CT: ±3% or ±75 mA
1 Ampere CT: ±3% or ±15 mA
Current Input All 51 Functions
5 Ampere CT
Range: 0.50 to 16.0 A
Increment: 0.01 from 0.50 to 9.99 A
0.1 from 10.0 to 16.0 A
1 Ampere CT
Range: 0.10 to 3.20 A
Increment: 0.01 A
Time Current Characteristic Curves
Timing Accuracy (All 51 Functions): Within ±5% or ±1½ cycles, whichever is greater
for time dial settings greater than 0.1 and
multiples of 2 to 40 times the pickup setting, but
not over 150 A for 5 A current sensing units or 30
A for 1 A current sensing units. See Appendix A
for information on available timing curves.
Volts/Hz (24)
Pickup
Range: 0.5 to 6 V/Hz
Accuracy: ±2%
Integrating Time Delay
Time Dial: 0.0 to 9.9 V/Hz
Reset Dial: 0.0 to 9.9 V/Hz
Accuracy: 5% or 4 cycles, whichever is greater