ABB Network Partner AB
Time synchronisation
Version 1.0-00
1MRK 580 135-XEN
Page 7 - 40
3Setting
The internal time can be set on the built-in, man-machine interface (MMI) at:
Settings
Time
The time is set with year, date and time. See Local man machine commu-
nication (1MRK 580 156-XEN), for more information.
The source of time synchronisation is set on the built-in MMI at:
Configuration
Time
When the setting is performed on the built-in MMI, the parameter is
called TimeSyncSource. The time synchronisation source can also be set
in the CAP 531 tool. The setting parameter is then called Synsourc. The
setting alternatives are:
• None (no synchronisation)
•SPA or LON
• Minute pulse, positive or negative flank
SPA is set when the time synchronisation is performed via SMS, and
LON is set when the time synchronisation is performed via SCS. Minute
positive flank or Minute negative flank is set when a binary input is used
for minute pulse synchronisation.
The function input to be used for minute-pulse synchronisation is called
TIME-MINSYNC.
The internal time can be set manually down to the minute level, either via
the built-in MMI or via any of the communication ports. The time syn-
chronisation fine tunes the clock (seconds and milliseconds). If no clock
synchronisation is active, the time can be set down to milliseconds.
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