This document is an operating manual for a capacitive sensor. The document provides information on the installation, electrical connection, and programming of the capacitive sensor.
This manual explains the safe handling and required precautions for the ifm 704550 capacitive sensor. Only qualified personnel may perform installation, wiring, and operation, and the device complies with relevant regulations and EC directives.
The document covers level and non‑level installation methods, wiring connections, LED indicator functions, programming options, and troubleshooting. It also describes the sensor's output signals (L‑ and L+), short‑circuit protection, and maintenance procedures. This manual is written in Chinese.
| Output signal polarity | L‑ and L+ |
|---|---|
| LED indicator | Yellow LED lights when active |
The yellow LED lights up to show that the sensor is active.