HIMA F-3430 4-Fold Safety Relay Output Module
Manufacturer: HIMA
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Part Number: F3430
Condition：New with Original Package
Product Type: Relay Output Modules
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
HIMA F3430 Safety Relay Output Module
The HIMA F3430, also cataloged as the F3430 Safety Relay Output Module, operates as a dedicated hardware component for safety-critical signal switching and electrical isolation within HIMA Safety Instrumented Systems (SIS). The module houses four independent relay output channels equipped with dust-tight normally open (NO) contacts built from gold-flashed silver alloy. Internal logic pathways manage fast actuation cycles, executing contact closing in 8 ms, reset actions in 6 ms, and contact bounce reduction within 1 ms across 5 VDC system rack backplanes.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F3430 |
| Brand | HIMA |
| Origin | Germany |
| Weight | 2.0 kg |
| Dimensions | 4 TE Rack Width |
| Operating Temp | Standard Industrial Range |
| Power Consumption | 5 VDC (<100 mA) |
| Output Type | 4-Fold Safety Relay (Normally Open, NO) |
| Contact Material | Silver Alloy, Gold-Flashed |
| Switching Time | 8 ms |
| Reset Time | 6 ms |
| Bounce Time | 1 ms |
| Switching Current Range | 10 mA to 4 A |
| AC Switching Capacity | Max. 500 VA (cos phi > 0.5) |
| DC Switching Capacity | Max. 120 W (Up to 30 VDC, Non-Inductive) |
| Mechanical Endurance | >= 30 x 10^6 Operations |
| Electrical Endurance | >= 2.5 x 10^5 Operations (Resistive Load) |
Functional Safety Architecture & Fail-Safe Execution
Certified for functional safety environments, the module enforces rigid electrical isolation between low-voltage internal control circuits and high-power field actuators. The gold-flashed silver alloy contacts prevent surface oxidation and signal degradation at low switching thresholds (10 mA), ensuring reliable loop closure during low-energy safety trips. Internal contact arrangements enforce fail-safe state execution by returning NO relay channels to an open circuit state upon system power interruption or backplane fault detection. The fast dynamic response profiles (8 ms switching and 6 ms reset times) preserve precise execution timing across emergency shutdown (ESD) circuits.
Frequently Asked Questions
Q: How does backplane power interruption affect the channel outputs?
A: A total interruption of the internal 5 VDC backplane power forces all four normally open relay channels into a de-energized, open fail-safe state within 6 ms.
Q: What electrical limits govern the 30 VDC switching channels?
A: Each contact set manages non-inductive DC switching loads up to 120 W with current parameters bounded between 10 mA and 4 A.
Field Installation Guidelines
Slide the 4 TE module card into its designated rack location using the alignment tracks, ensuring full engagement with the rear backplane interface connector. Tighten top and bottom mounting screws to establish physical frame grounding to the cabinet structure. Connect external load wiring directly to field terminal blocks, ensuring inductive loads utilize external surge suppression diodes to prevent back-EMF arcs across relay contacts. Maintain recommended cabinet ventilation space to allow proper convection cooling around the relay assemblies.