HIMA F3313 Digital Input Module

Product Description

The HIMA F3313 is a high-integrity Digital Input Module designed specifically for processing proximity switch sensor inputs within H41q and H51q safety programmable electronic systems (PES). Engineered to interface natively with NAMUR-compliant field instruments, this module drives a stabilized 8.2V DC sensing loop to actively capture process binary states. 

Technical Specifications

• Manufacturer: HIMA Paul Hildebrandt GmbH

• Model Hardware Code: F3313

• System Family Compatibility: HIMA H41q and H51q Safety System Frameworks

• Hardware Classification: Line-Monitored Digital Input Safety Card

• Field Sensor Excitation Supply: 8.2V DC regulated loop voltage

• Sensor Type Compatibility: Standard proximity switches and dry contact sensors conforming to NAMUR (EN 60947-5-6) specifications

• Onboard Safety Line Diagnostics: Dedicated real-time monitoring for Open-Circuit (OC) and Short-Circuit (SC) loop faults

• Internal Diagnostic Coverage Factor: Greater than 99% automated hardware failure detection

• Logic Backplane Power Consumption: 5V DC supply drawn directly via subrack bus lines (no external card wiring required)

• Chassis Power Partner Module: Integrates with the HIMA F7130A power supply module for clocked 24V DC / 5V DC regulation

• Power Bus Redundancy Support: Fully compatible with dual-parallel running power modules featuring seamless automatic failover

• Physical Installation Footprint: Tailored for integration into standard 19-inch HIMA central subrack enclosures

• Industrial Application Scope: Certified for Emergency Shutdown (ESD), Burner Management (BMS), and Fire & Gas (F&G) systems

Industrial Application Scenarios

• NAMUR Proximity Sensor Interfacing: Monitors high-speed proximity switches on automated valve actuators to confirm precise full-open or full-close positioning inside chemical loops.

• Explosive Zone Breakout Tracking: Collects binary contact information from hazardous plant areas, using the controlled 8.2V DC energy envelope to minimize ignition risks.

• Emergency Shutdown Loop Security: Tracks field-mounted safety switches across oil and gas manifolds, ensuring that any severed field wire immediately triggers a line fault alarm.

• High-Density Power Subrack Expansion: Slots alongside F7130A power modules in centralized control rooms to scale process diagnostic counts without increasing thermal overhead.