IEVref:351-44-02ID:
Language:enStatus: Standard
Term: functional block
Synonym1:
Synonym2:
Synonym3:
Symbol:
Definition: representation of a system or element with one or more input variables and one or more output variables, symbolized primarily by a rectangle in which the functional relationship between the input and output variables is given

SEE: Figures 1 and 2.

Note 1 to entry: The functional relationship may be given by an arithmetic instruction, a transfer function, a differential or difference equation, a characteristic curve or a family of characteristic curves, or a switching function.

Note 2 to entry: This entry was numbered 351-23-02 in IEC 60050-351:2006.

Figure 1 – Functional diagram indicating typical elements of an elementary open-loop control system

Figure 2 – Functional diagram indicating typical elements of an elementary closed-loop control system


Publication date:2013-11
Source
Replaces:
Internal notes:
CO remarks:
TC/SC remarks:
VT remarks:
Domain1:
Domain2:
Domain3:
Domain4:
Domain5: