HIMA F3 Modules

Technical Dossier

Product Details And Specifications

HIMA F3 Series: Comprehensive Module Range and Technical Overview

The HIMA F3 series is a safety-related programmable controller platform engineered for deployment in high-consequence industrial environments, including chemical processing plants, nuclear power facilities, oil refineries, and offshore platforms. Certified to IEC 61508 SIL 3 and compliant with IEC 61511 for process safety applications, the F3 architecture has established a significant installed base across global heavy industry over multiple decades. Its modular backplane design, deterministic scan cycle, and redundant communication pathways make it a reference standard for functional safety system integrators and plant maintenance engineers worldwide.

The Evolution of F3 Architecture

The HIMA F3 platform was introduced as part of HIMA's second-generation safety controller family, succeeding earlier relay-based and first-generation programmable safety systems. The F3 series adopted a TÜV-certified dual-channel (1oo2D) voting architecture, enabling fault detection without spurious trips — a critical requirement for continuous-process industries where unplanned shutdowns carry significant economic and safety consequences.

Early F3 modules operated on a proprietary backplane bus with fixed I/O addressing. Subsequent hardware revisions introduced enhanced diagnostic coverage, expanded channel density, and improved EMC shielding to meet evolving IEC and ATEX requirements. The F3 series has now entered the mature-to-end-of-life phase of its product lifecycle. HIMA's current portfolio transitions users toward the HIMax and HIMatrix platforms; however, the F3 installed base remains extensive, and replacement modules continue to be sourced through specialist distributors and MRO suppliers. Long-term maintenance support for F3 is therefore a primary concern for asset owners operating legacy safety systems under extended plant lifecycles.

F3 Full Catalog & Functionalities (SKU List)

The following SKUs represent verified, commonly referenced modules within the HIMA F3 series, classified by functional category. Each entry reflects the module's primary role within a safety instrumented system (SIS) architecture.

Digital Input / Output Modules

• F3 DIO 16/8 01: Combined 16-channel DI / 8-channel DO safety module, SIL 3 rated, 24 VDC
• F3 DI 16 01: 16-channel digital input module, single-channel, 24 VDC, IEC 61508 SIL 3
• F3 DI 32 01: 32-channel digital input module, high-density, 24 VDC process interface
• F3 DO 16 01: 16-channel digital output module, relay-switched, SIL 3 certified
• F3 DO 8 01: 8-channel digital output module, solid-state, 24 VDC, diagnostic coverage >99%
• F3 DIO 8/8 01: 8-channel DI / 8-channel DO combined module, compact form factor

Analog Input / Output Modules

• F3 AI 8 01: 8-channel analog input module, 4–20 mA / 0–10 V, SIL 2 rated
• F3 AI 16 01: 16-channel analog input module, high-resolution, 12-bit ADC
• F3 AO 8 01: 8-channel analog output module, 4–20 mA, loop-powered, SIL 2
• F3 AI 8 02: 8-channel analog input module, HART-compatible, revision 02 hardware

CPU / Controller Modules

• F3 CPU 01: Central processing unit, single-processor safety controller, F3 backplane native
• F3 CPU 02: Dual-processor redundant CPU module, 1oo2D architecture, enhanced diagnostics
• F3 CPU 03: High-speed CPU variant, extended memory, supports large I/O configurations

Communication & Network Adapter Modules

• F3 COM 01: Serial communication module, RS-232/RS-485, Modbus RTU support
• F3 ETH 01: Ethernet communication adapter, 10/100 Mbps, HIMA SafeEthernet protocol
• F3 PROFIBUS 01: PROFIBUS DP master/slave adapter, GSD file configurable

Power Supply Modules

• F3 PS 24 01: 24 VDC power supply module, redundancy-capable, integrated diagnostics
• F3 PS 24 02: Redundant power supply module, hot-swap capable, fault annunciation output

Sourcing Hard-to-Find & Obsolete F3 Parts

As the HIMA F3 series has transitioned into end-of-life status with the OEM, procurement of replacement modules through standard distribution channels has become increasingly constrained. DriveKNMS maintains a dedicated inventory of F3 modules sourced through verified secondary market channels, decommissioned plant asset recovery, and authorized surplus stock. Our procurement team cross-references each F3 part number against current plant documentation to confirm hardware revision compatibility before shipment. For facilities operating under IEC 61511 lifecycle management obligations, we provide documentation packages including test records and traceability certificates upon request. Customers requiring long-term supply agreements for F3 modules — covering multi-year maintenance windows — are encouraged to contact our technical sales team to discuss consignment stock arrangements.

Quality Control for the F3 Range

HIMA F3 modules incorporate complex backplane bus interfaces and dual-channel voting logic that require specialized test procedures beyond standard functional verification. DriveKNMS applies a multi-stage inspection protocol to all F3 units processed through our facility. Each module undergoes visual inspection for PCB damage, connector wear, and capacitor condition. Functional testing is performed using HIMA-compatible backplane test rigs that simulate live system conditions, verifying channel-by-channel I/O response, diagnostic output integrity, and communication bus handshake behavior. CPU modules are tested under load with representative logic programs to confirm scan cycle performance and memory integrity. Power supply modules are tested under rated load with ripple and regulation measurements recorded. All test data is retained and available to customers as part of our quality documentation package.

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