Basler Electric BE1-851 - Manual (Page 293)

Step 7: After pickup occurs, ramp the current down slowly until OUT1 opens. Dropout should occur
at 90% ±2% of the pickup current magnitude.
Step 8: Transmit the appropriate command in Table 13-8 to reprogram the pickup setting.
Table 13-8. Pickup Settings
Style Number
Commands
Phase Neutral
x1xxxxx S0-50TP=5.0A,0m S0-50TN=5.0A,0m
x3xxxxx S0-50TP=25.0A,0m S0-50TN=5.0A,0m
x5xxxxx S0-50TP=25.0A,0m S0-50TN=25.0A,0m
Step 9:
Slowly ramp up the current applied at the relay Phase A input until OUT1 closes. Verify that
pickup occurred within the acceptable range listed in Table 13-9.
Table 13-9. Pickup Ranges
Style
Number
Phase Neutral
Low Limit High Limit Low Limit High Limit
x1xxxxx 4.9 amps 5.1 amps 4.9 amps 5.1 amps
x3xxxxx 24.5 amps 25.5 amps 4.9 amps 5.1 amps
x5xxxxx 24.5 amps 25.5 amps 24.5 amps 25.5 amps
Step 10:
After pickup occurs, ramp the current down slowly until OUT1 opens. Dropout should occur
at 90% ±2% of the pickup current magnitude.
Step 11: Repeat Steps 2 through 10 for the Phase B current input.
Step 12: Repeat Steps 2 through 10 for the Phase C current input.
Step 13: Repeat Steps 2 through 10 for the Neutral current input.
51 Pickups and Dropouts
Step 1: Transmit the following scheme to the relay:
ACCESS=851
SL-N=NONE
YES
SL-N=PU51
SL-51=1,0
SL-VO1=51PT+51NT
EXIT;Y
Step 2: Transmit the appropriate command in Table 13-10 to program the pickup setting.
9289900990 Rev R BE1-851 Testing and Maintenance 13-5