The KEYENCE FS‑V21 series sensor user manual provides installation, operation, settings, and safety information for the FS‑V21R, FS‑V21G, FS‑V21RM, and…
This manual explains how to install the FS‑V21 series sensors, connect them to power and external equipment, and configure their operating parameters. Safety warnings emphasize that the product is for target detection only and must not be used as a protective device or with AC power.
The guide details sensitivity adjustment methods (automatic, manual, and positioning), output selection, display modes (EASY/FULL), button lock procedures, and factory default settings. It also includes proper usage tips, environmental limits, and warranty information.
| Output type | NPN open‑collector 40 V (or PNP open‑collector 30 V) |
|---|---|
| Maximum output current | 100 mA |
| Supply voltage | DC 24 V |
| Dimensions | 9 mm W × 70 mm L × 30 mm H |
| Weight | ≈80 g (including 2 m cable) |
| Shock resistance | 500 m/s², three impacts per axis |