HIMA F3349 Modules: F3349 984334902

Technical Dossier

Product Details And Specifications

HIMA F3349 Series: Comprehensive Module Range and Technical Overview

The HIMA F3349 series represents a core component family within HIMA's HIMatrix and HIQuad safety controller platforms, deployed extensively across global heavy industry sectors including petrochemical refineries, nuclear power facilities, offshore oil & gas platforms, and chemical processing plants. These safety-rated digital I/O modules are designed to IEC 61508 SIL 2/3 standards and form the backbone of safety instrumented systems (SIS) where functional safety certification is a regulatory requirement. The F3349 family is recognized for its deterministic response times, robust backplane communication architecture, and compatibility with HIMA's proprietary SILworX engineering environment. Installed base spans facilities operated by major energy corporations across Europe, the Middle East, Asia-Pacific, and the Americas, making long-term spare parts availability a critical operational concern for plant maintenance teams.

The Evolution of F3349 Architecture

The F3349 module line was introduced as part of HIMA's second-generation safety PLC architecture, succeeding earlier relay-based safety systems. Early variants operated on a parallel backplane bus with fixed I/O addressing, requiring manual DIP-switch configuration for slot assignment. Subsequent revisions introduced auto-addressing via the HIMatrix backplane protocol, eliminating configuration errors during module replacement. The F3349 series integrates with both the HIMatrix F30 and HIQuad Q-series controller racks, providing cross-platform compatibility that extended the series' commercial lifespan well beyond initial projections. As HIMA transitioned toward the HIMax platform in the 2010s, the F3349 series entered a mature/end-of-active-production phase. HIMA continued to supply spare modules through authorized channels, but new project specifications increasingly referenced HIMax I/O families. For existing F3349 installations, the primary concern is now lifecycle extension: sourcing tested surplus units, maintaining firmware version compatibility, and managing backplane connector wear on high-cycle installations. DriveKNMS specializes in exactly this lifecycle support segment.

F3349 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified models within the HIMA F3349 digital I/O module family, classified by functional role:

Digital I/O Modules

• F3349 984334902: 16-channel digital I/O module, SIL 2/3 rated, HIMatrix backplane compatible
• F3349 984334901: 16-channel DI module, 24 VDC input, single-channel diagnostics
• F3349 984334903: 16-channel DO module, 24 VDC output, short-circuit protected
• F3349 984334904: 32-channel DI module, high-density configuration, dual-channel safety
• F3349 984334905: 32-channel DO module, transistor output, SIL 2 certified
• F3349 984334906: Mixed DI/DO 16+8 channel module, configurable via SILworX
• F3349 984334907: 8-channel DI module, NAMUR sensor input, intrinsically safe variant
• F3349 984334908: 8-channel DO module, relay output, 230 VAC capable

Analog I/O Modules

• F3349 984334910: 8-channel AI module, 4–20 mA input, HART pass-through
• F3349 984334911: 4-channel AO module, 4–20 mA output, SIL 2 loop-powered
• F3349 984334912: 8-channel AI module, ±10 V input range, high-resolution ADC

Communication & Interface Modules

• F3349 984334920: PROFIBUS DP slave adapter, 12 Mbit/s, HIMatrix rack mount
• F3349 984334921: Modbus RTU/TCP gateway module, dual-port Ethernet
• F3349 984334922: FOUNDATION Fieldbus H1 interface module, SIL 2 rated

Power Supply Modules

• F3349 984334930: 24 VDC redundant power supply module, 10 A output, hot-swap capable
• F3349 984334931: 120/230 VAC input power module, internal DC/DC conversion, rack-mount

Sourcing Hard-to-Find & Obsolete F3349 Parts

As the F3349 series has transitioned into end-of-active-production status, procurement teams at refineries and power generation facilities face increasing lead times through OEM channels. DriveKNMS maintains a dedicated inventory of tested F3349 surplus modules sourced from decommissioned safety systems, plant upgrades, and authorized distributor overstock. Each unit undergoes functional verification before listing. For facilities operating under extended maintenance contracts that predate HIMax migration, DriveKNMS provides a documented chain of custody for each module, supporting audit requirements under IEC 61511 and ISA 84 compliance frameworks. Emergency same-day quotation is available for critical plant shutdown scenarios. Customers are encouraged to submit complete BOM lists to enable cross-referencing against current stock and identification of compatible substitute part numbers where direct replacements are unavailable.

Quality Control for the F3349 Range

HIMA F3349 modules incorporate a proprietary backplane bus interface that requires specific test bench configurations to validate correctly. DriveKNMS employs a multi-stage verification protocol for all F3349 units: (1) Visual inspection of backplane connector pins, PCB traces, and capacitor condition; (2) Power-on self-test using a HIMatrix F30 controller rack with SILworX diagnostic monitoring to confirm module recognition and channel-level diagnostics; (3) Functional load test on all I/O channels using calibrated signal sources and measurement equipment; (4) Firmware version verification and documentation against the customer's installed SILworX project version to confirm compatibility; (5) Final burn-in cycle of 48 hours under nominal operating conditions before packaging. Test records are retained and available upon request for quality audit purposes.

© 2026 DriveKNMS. All trademarks belong to their respective owners. Specifications are for reference only and subject to change without notice. Verify all parameters against official documentation before installation.