Basler Electric BE1-11g - Manual (Page 131)

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Figure 73. Current-Polarized Directional Scheme for BE1-11g CT Connection
Logic Connections
Neutral current differential element logic connections are made on the BESTlogicPlus screen in
BESTCOMSPlus. The neutral current differential element logic block is illustrated in Figure 74. Logic
inputs and outputs are summarized in Table 42.
Figure 74. Neutral Current Differential Element Logic Block
Table 42. Logic Inputs and Outputs
Name Function Purpose
Block Input Disables the 87N function when true
Trip Output True when the 87N element is in trip condition
Pickup Output True when the 87N element is in pickup condition
BE1-11g Neutral Current Differential (87N) Protection