ABB REL 551-C1*2.5 - Real-Time Clock with External Time Synchronization (TIME); Application; Function Block; Input and Output Signals

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Real-time clock with external time
synchronization (TIME)
Chapter 3
Common functions
1 Real-time clock with external time synchronization
(TIME)
1.1 Application
Use the time synchronization source selector to select a common source of absolute time for the
terminal when it is a part of a protection system. This makes comparison of events and distur-
bance data between all terminals in a SA system possible.
1.2 Function block
1.3 Input and output signals
Table 23: Input signals for the TIME (TIME-) function block
Path in local HMI: ServiceReport/Functions/Time
Table 24: Output signals for the TIME (TIME-) function block
1.4 Setting parameters
Path in local HMI: Configuration/Time
xx00000171.vsd
TIME-
TIME
MINSYNC
SYNCSRC
RTCERR
SYNCERR
Signal Description
MINSYNC Minute pulse input
SYNCSRC Synchronization source selector input. See settings for details.
Signal Description
RTCERR Real time clock error
SYNCERR Time synchronisation error