- controlled selector.
This element has three inputs. First IN0 - controlled, second IN1 - login normally - closed contact, the third IN2 - login noramlno - open contact. If the input signal IN0 fed equal importance to INFINITY, then the output value of IN1. If the value at the input IN0 other than INFINITY, then at the output OUT - IN2.
Use this element can be explained in the following example. By changing the values on an element of the condition, you can get two options:
first - a condition is not fulfilled, then the input IN0 - INFINITY, at the input value IN1 (fig. 1);
second - in the fulfillment of the conditions at the input IN0 value other than INFINITY, then at the output value of IN2 (fig. 2).
Fig. 1
Fig. 2