Description
The HIMA F8627 is a high-density safety output module engineered for critical actuation control in HIMA’s HIMatrix safety platforms. Designed to SIL 4 standards (IEC 61508), it provides 32 configurable channels for driving final elements like emergency shutdown (ESD) valves, fire dampers, and turbine trip solenoids in safety instrumented systems (SIS). The module employs triple-redundant output circuits with voting logic (1oo2, 2oo3) to prevent spurious trips while ensuring fail-safe de-energization on demand. Its patented arc-less switching technology eliminates contact welding risks during inductive load interruptions – a critical feature for gas compressor stations or chemical injection systems. The HIMA F8627 integrates real-time diagnostics, monitoring contact wear, coil resistance drift, and channel asymmetry with ±0.5% accuracy. With hot-swap capability and automatic load redistribution during maintenance, it achieves 99.999% availability in continuous processes. For cybersecurity, hardware-signed firmware and physical key-lock mechanisms prevent unauthorized configuration changes.

HIMA F8627 984862702
Technical Specifications
| Parameter Name | Parameter Value |
| Product Model | HIMA F8627 |
| Manufacturer | HIMA |
| Product Type | Safety Output Module |
| Output Channels | 32 (Individually Configurable) |
| Output Type | Relay (Dry Contact) / 24VDC Semiconductor |
| Max Switching Current | 2A per Channel (Resistive) |
| SIL Certification | SIL 4 (Redundant Configuration) |
| Response Time | ≤ 10ms (De-energize on Trip) |
| Contact Rating | 5A Inrush (50ms) |
| Isolation Voltage | 2.5kV Channel-to-Channel |
| Backplane Bandwidth | 100 Mbps (SafetyNET p) |
| Operating Temperature | -40°C to +85°C (Derated above 70°C) |
| Diagnostic Coverage | >99% (Per IEC 61508) |
| Certifications | ATEX, IECEx, SIL 4 (TÜV) |
Main Features and Advantages
Intelligent Load Management: The HIMA F8627 features adaptive current limiting that dynamically adjusts trip thresholds based on load profiles, preventing nuisance trips during motor startups while maintaining SIL 4 integrity. Each channel provides continuous contact resistance measurement (1-2000Ω range) to predict relay failure.
High-Density Safety: With 32 channels in single-slot width (45mm), it reduces cabinet footprint by 60% versus legacy modules. Per-channel LED diagnostics visually indicate stuck contact/coil fault status across control room galleries.
Advanced Arc Suppression: Integrated magnetic blow-out coils and RC snubbers suppress arcing to <5μJ during 24VDC/2A interruptions, extending contact life to 500,000 operations.
Cybersecurity by Design: Hardware-based secure boot and configuration lock prevent tampering. All commands require physical key-switch authorization, meeting IEC 62443-3-3 Level 2 requirements for critical infrastructure.
Application Field
The HIMA F8627 executes safety actions in extreme environments:
Oil & Gas: Controls wellhead safety valves in offshore platforms, utilizing SIL 4 redundancy to ensure closure during blowouts despite salt corrosion.
Power Generation: Triggers turbine emergency stops within 10ms upon overspeed detection, with arc-less switching preventing contact welding during 250VDC/150A inductive trips.
Chemical Plants: Drives reactor quench valves in exothermic processes, where simultaneous pulse testing verifies functionality without process interruption.
Pharma: Manages sterile barrier isolation valves in cleanrooms, with GMP-compliant diagnostic records for FDA audits.
Mining: Operates conveyor belt fire brakes in coal mines (ATEX Zone 1), featuring dust-resistant encapsulation.
Hydrogen Production: Controls electrolyzer shutdown circuits with H₂-compatible materials to prevent embrittlement.

HIMA F8627 984862702
Related Products
HIMA F8620: 16-channel predecessor with lower density.
HIMA F3350: Safety CPU controlling F8627 outputs.
HIMA F3221: Digital input module triggering F8627 actions.
HIMA F6217: Redundant power supply for F8627 racks.
HIMA F7130A: Gateway transmitting F8627 status to DCS.
HIMA F3300D: Diagnostic baseplate for F8627 monitoring.
HIMA F8770: TMR output module for aerospace applications.
Installation and Maintenance
Pre-installation preparation: Verify HIMatrix rack compatibility (Slot Type C/D). Dedicate 40A circuit for HIMA F8627 power feeds using 8 AWG copper cables. Install 5A fast-acting fuses per output group and apply 2500V HiPot testing before energization.
Maintenance recommendations: Perform quarterly simultaneous pulse tests via Safety Manager software to verify contact functionality without de-energizing loads. Replace modules after 500,000 operations or if contact resistance deviation exceeds 15% from baseline. Always use HIMA-certified arc suppression modules (e.g., HIMA ASM-24) for inductive loads.






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