Pre-defined CFC Charts
Some CFC charts are already supplied with the SIPROTEC 4 device:
Device and System Logic
The single-point indication
DataStop
that can be injected by binary inputs is converted by means of a
NEGATOR block into an indication
UnlockDT
that can be processed internally (internal single point indication,
IntSP), and assigned to an output. This would not be possible directly, i.e. without the additional block.
[cfc-uebertragungssperre-ein-ausgang-020831-ho, 1, en_GB]
Figure D-5 Link between Input and Output for Transmission Block
D.6
Default Settings and Protocol-dependent Functions
D.6 Pre-defined CFC Charts
254 SIPROTEC 4, 7VE61 and 7VE63, Manual
C53000-G1176-C163-3, Edition 10.2017