Festo SIEH-M12B-PS-S-L-CR - Inductive sensor

SIEH-M12B-PS-S-L-CR - Inductive sensor Festo - Free user manual and instructions

Name: SIEH-M12B-PS-S-L-CR
Brand: Festo
Rating: 8 (135 reviews)

Find the device manual for free SIEH-M12B-PS-S-L-CR Festo in PDF.

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Product Type	Inductive Proximity Sensor
Dimensions	Length 50 mm, Diameter 12 mm
Weight	20 g
Supply Voltage	10-30 V DC
Output Type	PNP Normally Open (NO)
Switching Distance	4 mm
Housing Material	Stainless steel
Connection Type	M12 connector, 4-pin
Protection Class	IP67
Operating Temperature	-25°C to 70°C
LED Indicator	Yellow LED for switching state
Short-circuit Protection	Yes
Reverse Polarity Protection	Yes
Certifications	CE, UL
Maintenance	No special maintenance required
Cleaning	Wipe with dry or damp cloth
Safety Information	Do not exceed voltage rating; observe wiring polarity
Spare Parts	Not available separately
Repairability	Not user-serviceable; replace if defective

Frequently Asked Questions - SIEH-M12B-PS-S-L-CR Festo

What is the sensing range of the Festo SIEH-M12B-PS-S-L-CR?

The inductive proximity sensor has a nominal sensing distance of 4 mm.

What is the supply voltage requirement?

It operates on 10-30 V DC.

How do I wire the sensor?

Use the M12 connector with pin 1 = brown (+), pin 2 = black (output), pin 3 = blue (-), pin 4 = white (unused or second output according to variant). Consult the manual for exact pinout.

Can it detect non-metal objects?

No, it only detects metal objects (ferrous and non-ferrous) due to its inductive principle.

What is the protection rating?

The sensor is rated IP67 for dust and temporary immersion.

Is the sensor shielded?

This model is unshielded (non-flush mountable) unless specified, allowing for longer sensing distances.

What is the operating temperature range?

It operates from -25°C to 70°C.

Does it have short-circuit protection?

Yes, it is short-circuit protected and also has reverse polarity protection.

How do I clean the sensor?

Clean the housing with a dry or damp cloth. Avoid aggressive solvents.

Can I repair the sensor if it fails?

The sensor is not user-serviceable. If defective, replace it with a new unit.

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