Configurable Logic Blocks; Standard Configurable Logic Blocks; Or Function Block - ABB Relion SMU615 Technical Manual

1MRS758407 B
3.13
3.13.1
3.13.1.1
SMU615
Technical Manual

Configurable logic blocks

Standard configurable logic blocks

OR function block

Function block
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Figure 44: Function blocks
Functionality
OR, OR6 and OR20 are used to form general combinatory expressions with Boolean
variables.
The O output is activated when at least one input has the value TRUE. The default
value of all inputs is FALSE, which makes it possible to use only the required number
of inputs and leave the rest disconnected.
OR has two inputs, OR6 six and OR20 twenty inputs.
Signals
Table 74: OR Input signals
Name Type
B1 BOOLEAN
B2 BOOLEAN
Basic functions
Default Description
0 Input signal 1
0 Input signal 2
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