ABB RELION SMU615 Technical Manual page 84

Basic functions
Function block
Figure 46: 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
OR Input signals
Table 74: OR Input signals
Name
B1
B2
OR6 Input signals
Table 75: OR6 Input signals
Name
B1
B2
Table continues on the next page
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Type Default
BOOLEAN 0
BOOLEAN 0
Type Default
BOOLEAN 0
BOOLEAN 0
1MRS758407 C
Description
Input signal 1
Input signal 2
Description
Input signal 1
Input signal 2
SMU615
Technical Manual