We have a FINDER 40.51.9.012.0000 relay, with this scheme:
I want it to operate as a transistor, in the sense that a signal can control the connection of two other lines (i.e., the collector connects to the emitter only when there is 12V on the base).
According to the relay pinout, the collector should be clearly the pin labelled 11, and the emitter to 14 (given 11 connects to 12 by default, i.e. base=0V). Now, where should the base connect? And the power supply? Actually, the collector is the power supply itself, is there any problem if the line connects two pins?