Parallel Circuit - ABB CL Series Applications Manual

Wiring with the logic relay
I1u------ÄQ1
I2s
I3k
i1u------ÄQ2
i2s
i3k
178
Table 17: Series circuit
I1 I2 I3
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1

Parallel circuit

Q1 is controlled by a parallel circuit consisting of several
n/o contacts (OR circuit).
A parallel circuit of n/c contacts controls Q2 (NAND circuit).
Table 18: Parallel circuit
I1 I2 I3
0 0 0
0 0 1
0 1 0
0 1 1
1 0 0
1 0 1
1 1 0
1 1 1
1SVC 440 795 M0100
Q1 Q2
0 1
0 0
0 0
0 0
0 0
0 0
0 0
1 0
Q1 Q2
0 1
1 1
1 1
1 1
1 1
1 1
1 1
1 0