Toshiba GR 200 Series, Instruction Manual

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6F2S1915 (0.46)
GRZ200 (Soft 031 & 032)
- 15 -
Symbols used in logical diagrams
Symbols used in the scheme logic and their meanings are as follows:
(i)
Relay element, signal-monitoring point, PLC connection point, and
Mapping point
1. Marked with : Relay elements
2. Marked with
: Signal-monitoring point designated by Element ID number
Note that the symbol can be connected with what follows:
A binary output (BO) circuit
A LED circuit
Like in the BO and LED circuits, it can also be connected or mapped to what follows:
A PLC connection point
The IEC 61850 logical node (LN) to send a signal for the SAS
An alternative point (discussed in Chapter
PLC function
) is provided in place of the
signal-monitoring point for starting the user-programmed logic.
3. Marked with
: PLC connection points designated by Element ID and its name
Element ID (or Signal No.) Signal name corresponding to Element or Signal No.(Data ID)
Note that the symbol can be used for the reception point coming from the output of PLC
logics.
4. Marked with : Mapping points designated by Signal No. (Data ID) and its name
Signal number (Data ID) Signal name corresponding to Signal No. (Data ID)
1
Note that the symbol can be used as a signal reception-point coming from the SAS. The
reception point is mapped to the LN of the IEC61850.