F3237 HIMA F 3237 8-Channel Safety Input Module

HIMA F 3237 8-Fold Safety Input Module: Reliable Sensor Connectivity

The F 3237 safety input module from HIMA provides eight channels for connecting safety-critical sensors. This robust module offers comprehensive line monitoring and meets requirement classes AK 1 through 6.

Input Channel Specifications

• 8 independent input channels for multiple sensor connections
• Compatible with safety-related proximity switches and NAMUR sensors
• Supports resistor-wired sensors for various applications
• Fast 10 ms switching time for rapid response
• Continuous line monitoring for short-circuit and break detection

Safety & Monitoring Features

• Meets safety requirement classes AK 1 to AK 6
• Automatic comprehensive self-testing during normal operation
• Tests include switch functionality, input filters, and crosstalk protection
• Monitors for wire breaks (≤ 0.28 mA) and short circuits (≥ 6.5 mA)
• Operating points: 0 signal (0.35-1.2 mA), 1 signal (2.1-6.0 mA)

Electrical Specifications

• Supply voltage: US 8.2 V for stable operation
• Line impedance: ≤ 50 Ohm according to DIN 19234 standard
• Maximum line length: 1000 meters (0.5 mm² diameter)
• Shunt resistor: 681 Ohm, 1%, 0.25 W (part no. 00 0751681)
• Power consumption: 5V DC at 90 mA, 24V DC at 170 mA

Physical Design & Integration

• Compact design requires only 4 TE (space units)
• Includes appertaining software building block: HB-RTE-
• Easy integration into existing HIMA safety systems
• Industrial-grade construction for harsh environments

Sensor Compatibility Notes

• Optimized for DIN 19234 (NAMUR) standard proximity switches
• For non-standard sensors like P&F NJ5-30GK-S1N, add parallel 47 kΩ resistor
• Resistor modification increases output current to 170 µA in non-damped state
• Maintains full safety functionality - resistor break signals as line break
• No limitations for use in fail-safe circuit applications

Packaging & Shipping

• Includes one F 3237 8-Fold Safety Input Module
• Secure industrial packaging for complete protection
• Worldwide delivery via FedEx, UPS, and DHL services
• Fast shipping to support your project timeline

Frequently Asked Questions

• How many sensors can connect to one module?
  The F 3237 provides eight independent input channels for sensor connections.
• What safety standards does it meet?
  The module meets requirement classes AK 1 through 6 for safety applications.
• What is the maximum cable length supported?
  You can use cable lengths up to 1000 meters with 0.5 mm² diameter.
• Can I use non-NAMUR sensors with this module?
  Yes, with simple resistor modifications for compatible operation.

Contact Our Technical Team

• Email: sales@nex-auto.com
• Phone: +86 153 9242 9628 (WhatsApp)