[dwbreake-220512-01.tif, 1, en_US]
Figure 6-4
Control Function Blocks of the Circuit-Breaker Switching Device
The circuit breaker in DIGSI 5 is linked with the binary inputs that acquire the switch position via information
routing. The circuit breaker in DIGSI 5 is also linked with the binary outputs that issue the switching
commands.
The Circuit breaker switching device is available in 4 different types:
•
3-pole circuit breaker (control only)
This switching device contains the Control, Interlocking, and Circuit-breaker function blocks needed for
control. The standard situation for the control function is that the SIPROTEC 5 device switches all 3 poles
of the circuit breaker On or Off together. The Synchronization function can also be added.
•
3-pole circuit breaker
This switching device contains additional base function blocks for protection functions (for example, trip
logic, Manual close, circuit-breaker test).
•
1-pole circuit breaker
This switching device is intended for 1-pole tripping via the protection functions and contains the same
base function blocks for protection as the 3-pole circuit breaker switching device.
•
Circuit breaker (status only)
This switching device contains only the Circuit-breaker function block. It is used to acquire the position
of a switch, for example, from a neighboring bay. This object type can be used to model switches that
can only be read but not controlled by the SIPROTEC 5 device.
Control Functions
6.2 Switching Devices
308 SIPROTEC 5, High-Voltage Bay Controller, Manual
C53000-G5040-C015-9, Edition 11.2017
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