Wiring with the logic relay
180
1SVC 440 795 M0100
Parallel circuit operating like a series connection of
n/c contacts
A series circuit with more than three contacts (n/c contacts)
can be implemented with a parallel connection of
n/o contacts on a negated coil.
In the CL circuit diagram you can switch as many rungs in
parallel as you have rungs available.
Table 20: Parallel connection of n/o contacts on a negated coil
Two-way circuit
A two-way circuit is made in the logic relay using two series
connections that are combined to form a parallel circuit
(XOR).
An XOR circuit stands for an “Exclusive Or” circuit. The coil
is only energized if one contact is activated.
I1u------ÅQ1
I2s
I3s
I4s
I5k
I1 I2 I3 I4 I5 Q1
000001
000010
000100
000110
001000
001010
001100
001110
01000
0
010010
……………0
……………0
111110
I1-i2u---ÄQ1
i1-I2k
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