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SKU: F3226

HIMA F3226 16-Channel Digital Input Module H41q/H51q Safety Systems

The HIMA F3226 is a 16-channel digital input module designed for H41q and H51q safety-related systems. This SIL 3-capable module provides precise signal acquisition and galvanic isolation for critical industrial applications. Engineered for extreme environments, it supports a wide operating temperature range and is certified for use in rail and process automation sectors.

Product Overview

The HIMA F3226 serves as a high-performance digital input interface designed specifically for the H41q and H51q safety-related automation platforms. This module provides 16 independent channels for the acquisition of binary signals from field devices, such as limit switches, pushbuttons, and sensors. By converting field signals into process-level data, the F3226 enables the central controller to execute safety-critical logic with high precision. Its robust architecture is engineered to filter out electromagnetic interference and signal noise, ensuring that only valid data influences the system’s safety decisions.

Technical Characteristics and Performance

  • High-Density Signal Processing: Features 16 digital input channels, allowing for high-density wiring and efficient cabinet space utilization.
  • Environmental Resilience: Operates reliably across a wide temperature spectrum, from -25°C to +60°C, making it suitable for unconditioned industrial environments.
  • Safety Compliance: Built to meet SIL 3 requirements when used within a certified HIMA PES (Programmable Electronic System) environment.
  • Galvanic Isolation: Incorporates electrical isolation between the field side and the logic side to protect sensitive controller components from voltage surges.
  • Rapid Diagnostics: Includes integrated monitoring capabilities to detect line breaks or short circuits, facilitating proactive maintenance and reducing system downtime.
  • Protocol Support: Offers compatibility with various fieldbus standards, ensuring seamless integration into distributed control systems (DCS).

Industrial Applications

Engineers primarily implement the F3226 in safety-instrumented systems (SIS) where failure to detect a signal could lead to catastrophic events. In the oil and gas industry, it monitors emergency stop circuits and fire detection sensors. Furthermore, in railway and transportation sectors, the module’s EN50155 certification ensures reliable operation under constant vibration and mechanical stress. Because the F3226 provides such a high degree of signal integrity, it is also a staple in chemical processing plants for monitoring reactor safety interlocks and valve positioning.

Technical Specifications

  • Manufacturer: HIMA Paul Hildebrandt GmbH
  • Model Designation: F3226
  • Module Category: 16-Channel Digital Input Card
  • System Series: H41q / H51q
  • Input Voltage: 24 VDC
  • Certifications: CE, UL, EN50155, and TÜV SIL 3
  • Dimensions: 127 x 25 x 203 mm
  • Weight: 0.1 kg