Introduction
1-4
7SA6 Manual
C53000-G1176-C156-2
A battery backed clock is always provided and can be synchronized via a
synchronization signal with IRIG-B (GPS via satellite receiver) or DCF 77.
Additional interface modules provide the option to carry out further communication
protocols.
Protection Data
Interface (optional)
Depending on the version there are one or two protection data interfaces. Via these
interfaces the data for the teleprotection scheme and further information such as
closing the local circuit breaker, other external trip commands coupled via binary
inputs and binary information can be transmitted to other ends.
Power Supply The 7SA6 can be supplied with any of the common power supply voltages. Transient
dips of the supply voltage which may occur during short-circuit in the power supply
system, are bridged by a capacitor (see Technical Data, Subsection 10.1.2).
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