Product details
HIMA F3237 Safety Input Module Overview
- The F3237 is a safety-rated 8-channel input module designed for proximity switches and sensors.
- It supports NAMUR standard sensors according to DIN 19234 and resistor-wired types.
- It offers full line monitoring for short circuits and open wires, ensuring safe signal integrity.
- Designed for safety requirement classes AK 1 to AK 6
Technical Specifications
- Brand: HIMA
- Model: F3237
- Type: 8-channel safety-related input module
- Switching Time: 10 ms nominal
- Input Signal Levels (IE): 0 signal: 0.35–1.2 mA; 1 signal: 2.1–6.0 mA
- Wire Break Detection: ≤ 0.28 mA; Short Circuit ≥ 6.5 mA
- Input Line Impedance: ≤ 50 Ω (DIN 19234 compliant)
- Maximum Line Length: 1000 m (0.5 mm² cable)
- Sensor Supply Voltage: 8.2 VDC
- Shunt Resistors: 681 Ω ±1%, 0.25 W (R17–R24, P/N 00 0751681)
- Operating Voltage: 5 VDC / 90 mA; 24 VDC / 170 mA
- Module Width: 4 TE
- Operating Temperature: 0–60°C, Humidity 10–90% non-condensing
Performance Benefits
- Self-testing design ensures functional reliability in continuous use.
- Fast detection of line breaks and shorts for improved safety diagnostics.
- Supports extended cable runs for large-scale industrial systems.
- Works with resistor-wired sensors and standard NAMUR sensors.
- Compatible with safety PLC architectures in critical applications.
- Compact 4 TE footprint fits standard control racks.
- Optimized current detection prevents false fault triggering.
Installation and Operation
- Install in a controlled cabinet with standard 4 TE slot width.
- Connect proximity sensors according to polarity and NAMUR wiring standards.
- Keep total line impedance below 50 Ω for optimal performance.
- Use 8.2 VDC sensor power supply with recommended shunt resistors.
- For specific sensors like P&F NJ5-30GK-S1N, parallel a 47 kΩ resistor to improve line-break detection.
Shipping and Warranty
- Ships globally via FedEx, UPS, or DHL.
- Packaging includes anti-static protection and impact-resistant material.
- Standard 12-month warranty covers all manufacturing defects.
FAQ
- Q: What kind of sensors work with the F3237?
A: It supports NAMUR proximity switches and resistor-wired sensors per DIN 19234. - Q: How does the module detect a line break?
A: The system flags any current below 0.28 mA as a wire break condition. - Q: Can it operate in safety-rated systems?
A: Yes, it meets safety requirement classes AK 1 to AK 6. - Q: What is the maximum cable length for sensors?
A: Up to 1000 meters with 0.5 mm² line diameter. - Q: Does the F3237 perform automatic tests?
A: Yes, it continuously checks switching, crosstalk, filters, and short circuits.
Contact Information
- Email: sales@powergearx.com
- Phone / WhatsApp: +86 18030005825
- Contact us for bulk orders or technical support on F3237 modules.
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