SIEH-M18B-NS-S-L-CR - Inductive sensor Festo - Free user manual and instructions
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| Product type | Inductive proximity sensor |
| Manufacturer | Festo |
| Model / Part number | SIEH-M18B-NS-S-L-CR |
| Housing diameter | 18 mm (M18 thread) |
| Mounting type | Flush mountable |
| Sensing range | 5 mm |
| Operating voltage | 10-30 V DC |
| Output type | NPN |
| Switching function | Normally open (NO) |
| Maximum load current | 200 mA |
| Protection class | IP67 |
| Ambient operating temperature | -25 °C to +70 °C |
| Housing material | Stainless steel |
| Connection | 2 m PVC cable |
| LED status indicator | Yes |
| Weight | 80 g |
| Dimensions (diameter x length) | 18 mm x 45 mm |
| Maintenance | Requires no scheduled maintenance; wipe with a dry cloth if dirty |
| Safety note | Do not exceed voltage or load ratings; tighten with recommended torque |
| Spare parts and repairability | Non-serviceable unit; replace the sensor if defective |
Frequently Asked Questions - SIEH-M18B-NS-S-L-CR Festo
What is the sensing range of the Festo SIEH-M18B-NS-S-L-CR?
The sensing range is 5 mm for a flush-mounted installation. The exact range may vary depending on the target material and installation conditions.
What is the output type of this sensor?
The sensor features an NPN output, which acts as a sink. It switches the load to ground when the target is detected.
How do I connect the sensor? What wire color codes are used?
Typically, the brown wire is connected to +10-30 V DC, the blue wire to 0 V, and the black wire is the switching output (NPN). Verify wiring with the datasheet.
What is the operating voltage range?
The sensor operates with a supply voltage of 10 to 30 V DC, with a maximum ripple of 10%.
Can the sensor detect through non-metallic materials?
The sensor is designed to detect metallic objects. Non-metallic materials like plastic or wood are generally not detected.
What is the protection rating of the sensor?
The sensor has an IP67 protection rating, making it dust-tight and protected against immersion in water up to 1 meter for 30 minutes.
How should I install the sensor to avoid mutual interference?
When mounting multiple sensors, keep a minimum distance of 18 mm between sensor axes and 36 mm between face-to-face setups to avoid interference.
What is the maximum switching frequency?
The switching frequency is approximately 500 Hz, suitable for most industrial counting and positioning applications.
Can the sensor be used in high-temperature environments?
The ambient operating temperature range is -25 °C to +70 °C. For higher temperatures, provide additional cooling or choose a high-temperature variant.
How do I clean and maintain the sensor?
No regular maintenance is required. If the sensor face is dirty, wipe it gently with a dry, lint-free cloth. Avoid using solvents or abrasive cleaners.
User questions about SIEH-M18B-NS-S-L-CR Festo
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Download the instructions for your Inductive sensor in PDF format for free! Find your manual SIEH-M18B-NS-S-L-CR - Festo and take your electronic device back in hand. On this page are published all the documents necessary for the use of your device. SIEH-M18B-NS-S-L-CR by Festo.
USER MANUAL SIEH-M18B-NS-S-L-CR Festo
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Product information
Brand : Festo
Model : SIEH-M18B-NS-S-L-CR
Category : Inductive sensor