Light sensor and also commonly called Photoelectric Sensor. This sensor uses light-sensitive elements to detect objects and consists of a transmitter/emitter (Light Source) and receiver (receiver). on retro-reflective sensor type of emitter and receiver sensor is in one device / combined so that it is quite simple, the receiver's task in the type of through-beam … Lanjutkan membaca Baumer FPDK 14P- Retro Photoelectric Sensor