NOT function
In this case we have:
The following is requested:
1.SORTING LIST
In this example we will use a standardized addressing according to IEC 61131.
TICKETS
DEPARTURES
2. CONTACT DIAGRAM
Interpretation: "For the PLC output %Q2,1 to be activated, the PLC must verify that there is no signal at %I0,1.".
3. FUNCTIONAL PLANE
Interpretation: "For the PLC output %q2,1 to be activated, the PLC must verify that there is NO signal at %I0,1.
4. CONNECTION DIAGRAM
COMBINATORIAL LOGIC FUNCTIONS
Combinational logic functions are combinations of basic functions, for example:
EQUIVALENT ELECTRICAL CIRCUIT
The following is requested:
1. SORTING LIST
In this example we will use a standardized addressing according to IEC 61131
TICKETS
DEPARTURES
2. CONTACT DIAGRAM
Interpretation: "For the PLC output %Q2.1 to be activated, the PLC must verify that there is a signal at %I0.1"« Y in %I0.2, O in %I0.4 Y, in %I0.3 O%I0.4.
3. FUNCTIONAL PLANE
Interpretation: "For the PLC output %Q2,1 to be activated, the PLC will need to verify that the corresponding combinational logic is fulfilled.".
4. CONNECTION DIAGRAM
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