7.4 Trip circuit supervision
7 Applications
Technical description
248
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Note: If for example DI13 and DI7 are used as the upper and lower digital
inputs in the Figure 7.4.3-2, 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.
Figure 7.4.3-3 An example of digital input configuration for trip circuit
supervision with two dry digital inputs DI7 and DI13.
Figure 7.4.3-4 An example of logic configuration for trip circuit supervision
with two dry digital inputs DI7 and DI13.
Figure 7.4.3-5 An example of output matrix configuration for trip circuit
supervision with two dry digital inputs.