33
Real-time clock with external time
synchronization (TIME)
Chapter 3
Common functions
Table 25:
Setting parameters for the time synchronization source selector function
1.5
Technical data
Table 26:
TIME - Time synchronisation
Parameter
Range
Default
Unit
Description
SYNCSRC
0-5
0
-
Selects the time synchronization source:
0: No source. Internal real time clock is
used without fine tuning.
1: LON bus
2: SPA bus
3: IEC 60870-5-103 bus
4: Minute pulse, positive flank
5: Minute pulse, negative flank
Function
Accuracy
Time tagging resolution
1 ms
Time tagging error with synchronisation once/60 s
±
1.5 ms
Time tagging error without synchronisation
±
3 ms/min
Summary of Contents for REL 501-C1 2.5
Page 1: ...Technical reference manual Line distance protection terminal REL 501 C1 2 5 ...
Page 2: ......
Page 26: ...14 Introduction to the technical reference manual Chapter 1 Introduction ...
Page 42: ...30 Technical data Chapter 2 General ...
Page 66: ...54 Blocking of signals during test BST Chapter 3 Common functions ...
Page 142: ...130 Time delayed overvoltage protection TOV Chapter 6 Voltage ...
Page 162: ...150 Autorecloser AR Chapter 9 Control ...
Page 174: ...162 Event function EV Chapter 10 Logic ...
Page 210: ...198 Serial communication Chapter 12 Data communication ...
Page 226: ...214 Serial communication modules SCM Chapter 13 Hardware modules ...
Page 230: ...218 Terminal diagrams Chapter 14 Diagrams Figure 87 REL 501 C1 with DC switch ...
Page 234: ...222 Terminal diagrams Chapter 14 Diagrams ...
Page 237: ......