Product Overview

The HIMA F3226 is a high-density digital signal acquisition module engineered for the SIMATIC-compatible H41q and H51q safety controller series. This module provides 16 discrete input channels designed to interface with field-level equipment such as sensors, limit switches, and binary contacts. As a core component of HIMA’s Safety Instrumented Systems (SIS), the F3226 ensures that critical process data is captured with high precision and transmitted to the logic solver, enabling deterministic safety responses in industrial environments.

Built with a focus on functional safety and high availability, the F3226 is optimized for process industries including chemical refining, offshore oil production, and power generation. Its robust electronic design is tailored to handle the electrical noise and transients common in large-scale DCS (Distributed Control System) architectures, ensuring data integrity across the entire safety loop.

Technical Characteristics

• Channel Density: 16 Digital Input Channels

• System Family: HIMA H41q and H51q Series

• Input Signal: 24 VDC (Binary)

• Electrical Protection: Galvanic isolation between field side and system bus

• Noise Suppression: Integrated digital filtering to prevent false triggering from interference

• Compliance Standards: CE, UL, and EN 50155 certified for industrial and railway safety

• Operating Temperature: -25°C to +60°C (-13°F to 140°F)

• Mechanical Format: Standard HIMA 4U plug-in board

• Dimensions: 12.7 x 2.5 x 20.3 cm

• Weight: 0.1 kg

• Manufacturing Origin: Germany

Signal Integrity and Field Integration

The F3226 input card utilizes advanced circuitry to minimize the impact of contact bounce and electromagnetic interference (EMI). By providing 16 channels in a compact 25mm width, it allows for high-density I/O configurations that maximize cabinet space efficiency. The module's low power consumption and high thermal resilience make it suitable for installation in both centralized control rooms and remote instrument enclosures (RIE).

For maintenance and commissioning, the F3226 features clear visual diagnostic indicators on the front panel, allowing technicians to verify signal presence and module health at a glance. It is fully compatible with standard industrial networking protocols, including DeviceNet and CANopen via the HIMA communication bus, facilitating seamless data exchange within complex multi-vendor automation networks. Its "Active" status ensures long-term support for legacy plant maintenance and modern system expansions, adhering to the highest global safety regulations.