Basler Electric BE1-11m - Manual (Page 64)

52 9424200996 Rev L
Table 14. Logic Inputs and Outputs
Name Logic Function Purpose
Block Input Disables the 81 function when true
Trip Output True when the 81 element is in a trip condition
Pickup Output True when the 81 element is in a pickup condition
Operational Settings
Frequency element operational settings are configured on the Frequency settings screen (Figure 39) in
BESTCOMSPlus. Setting ranges and defaults are summarized in Table 15.
Figure 39. Frequency Settings Screen
Table 15. Operational Settings
Setting Range Increment
Unit of
Measure
Default
Mode
Disabled, Over, Under,
Rate of Change,
Positive Rate of Change,
or Negative Rate of Change
n/a n/a Disabled
Pickup
0 or 0.2 to 20 for ROC mode
0 or 15 to 70 for O/U mode
0.01
hertz/sec (ROC)
hertz (O/U)
0
Time Delay 0 to 600,000 varies milliseconds 0
Voltage Inhibit 0 or 15 to 250 0.1 volts * 20
81ROC
Over Frequency Inhibit 15 to 70 Hz 0.01 hertz 61
Under Frequency Inhibit 15 to 70 Hz 0.01 hertz 59
Negative Sequence
Inhibit
0 to 99 1 percent 20
* Phase-to-phase and phase-to-neutral settings depend on the Phase VT and Aux VT connection
settings. Refer to the
Configuration chapter for more information on these settings.
Frequency (81) Protection BE1-11m