Flow Switch Sh0500 Manual |top| — Ifm

| Parameter | Value | | --- | --- | | Process connection | Male thread G 1/2" (DN8) | | Wet materials | Stainless steel (316L / 1.4404); PEEK; FKM seal | | Flow measuring range | 3...300 cm/s (water); 3...600 cm/s (oil) | | Medium temperature | -25...80 °C | | Pressure rating | 300 bar (for hydraulic applications) | | Output | 1 x PNP/NPN switching output or IO-Link | | Protection class | IP 67, IP 68 (tested) | | Electrical connection | M12 connector, 4-pin |

| Display / LED | Cause | Solution | | --- | --- | --- | | SC1 | Short circuit on output | Check M12 wiring; output load > 100 mA | | OL | Overload / overtemperature | Reduce medium temperature; inspect heat sink | | E-- | Sensor tip damaged | Replace unit (internal thermistor failure) | | Flashing green LED | No flow but output active | Lower S.P. value or check pump | | --- (steady) | No medium detected | Prime the pipe; ensure sensor tip is covered | ifm flow switch sh0500 manual

The SH0500 is IO‑Link ready (version 1.1). Using an IO‑Link master, you can read process data (flow velocity, temperature), change parameters remotely, and perform diagnostics. | Parameter | Value | | --- |

A: Press and hold both buttons simultaneously for 10 seconds until the display shows rES . Release. Confirmed by a triple flash. A: Press and hold both buttons simultaneously for