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Publication 1760-GR001C-EN-P - April 2005
Drawing a Circuit with Pico 2-23
Basic Circuits
Significance of Logic Values
Negation (NOR)
Permanent Contact (Unconditional Rung)
Flip-Flop Output
Value Function
“0” Make contact open, break contact closed, relay coil not energized
“1” Make contact closed, break contact open, relay coil energized
I1 Q1
10
01
--- Q1
11
I1 State Q1 Q1
00 0
0 to
1
01
01 1
0 to
1
10
I1---------{Q1
-----------{Q1
I1---------
Q1