Controlling Device Functions
231
7SS52 V4 Manual
C53000-G1176-C182-3
The following figure gives an overview of these functions:
Figure 6-18 Logic for the blocking of the external breaker failure protection tripping
BF+: CU command (system port, DIGSI, locally)
Pr.: BU test function (DIGSI, locally)
K: ON
G: OFF
*) The enable input is only observed if the operating mode "BF 2-channel" has been configured (param. XX14 BF BI mode).
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