ABB Relion 670 series Engineering Manual page 74

Section 6
Protection and control engineering
68
1
Application
function
2
Application
function
LN
3
Application
function
LN
GUID-CF053FE9-0BA6-448A-A1D9-9697027ECCBC V2 EN-US
Figure 33: Examples of function blocks with and without monitoring and
commands
1 Function blocks without communication
2 Function blocks with communication only
3 Function blocks with monitoring and commands
LN The logical node of the function block
The basic general features of the Application configuration tool ACT:
• Organization of an application configuration
• Organize an application configuration into a number of logical parts
(MainApplication).
• Organize a MainApplication over a number of pages.
• Features to program an application configuration:
• Insert function blocks, make connections and create variables.
• Include the hardware IO channels directly in the application
configuration.
• Set function blocks and signal visibility to SMT and PST.
1MRK 511 398-UEN C
670 series 2.2 IEC
Engineering manual