7.9 Trip Circuit Supervision
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Figure 7.9.2-2 Trip circuit supervision with two dry digital inputs. The CB is
in the open position. The two digital inputs are now in series.
Note: If for example DI13 and DI7 are used as the upper and lower digital
inputs in the Figure 7.9.2-2, the usage of DI8 ... DI14 is limited to the same
circuitry sharing the Vaux in the common terminal and the DI14 ... DI18
cannot be used, because they share the same common terminal with
DI13.
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