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Product Introduction
The HIMA F3328A is a safety-related switching amplifier engineered for high-integrity industrial automation systems. As part of HIMA’s renowned safety system platform, this module is specially designed for use in environments where functional safety and reliability are paramount, including chemical plants, refineries, oil & gas pipelines, and other critical infrastructure. The F3328A module ensures galvanic isolation, signal amplification, and logic-level interfacing between field devices and safety-related control systems.
It is integrated into the HIMA Planar F-series platform and conforms to strict international safety standards such as IEC 61508 SIL 3, providing robust performance in demanding safety-critical applications. The compact yet robust build of the module makes it ideal for DIN rail mounting within tight control cabinets.
Technical Specifications
Below is a detailed technical overview of the HIMA F3328A Safety-Related Switching Amplifier:
| Parameter | Specification |
|---|---|
| Product Name | HIMA F3328A Safety-Related Switching Amplifier |
| Manufacturer | HIMA Paul Hildebrandt GmbH |
| System Compatibility | HIMA Planar F Safety System |
| Input Type | 1 or 2 digital input channels |
| Input Signal Level | 15–30 V DC |
| Output Type | Relay (potential-free contact) |
| Contact Rating | 250 V AC / 30 V DC, 2 A |
| Response Time | <10 ms |
| Switching Frequency | Max. 10 Hz |
| Isolation Voltage | ≥2.5 kV (Galvanic Isolation) |
| Safety Integrity Level (SIL) | SIL 3 (IEC 61508), EN 50156 |
| Power Supply | 24 V DC ±10% |
| Power Consumption | Approx. 1.2 W |
| Temperature Range | -20°C to +60°C |
| Mounting Type | DIN Rail Mounting |
| Housing Material | Polycarbonate (Flame-retardant) |
| Dimensions (W×H×D) | 120 x 160 x 40 mm |
| Weight | 1 kg |
| Certifications | CE, ATEX, IECEx, TÜV Approved |
| Cooling | Natural Convection |
| Protection Class | IP20 |
Product Applications
The HIMA F3328A is designed for use in a wide variety of safety-critical environments:
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Process Industry: Monitoring emergency shutdown signals in refineries, petrochemical plants, and power generation facilities.
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Railway Systems: Integration in signal and control units where secure switching is required.
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Oil and Gas: Offshore platforms and onshore stations requiring SIL-rated switching modules.
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Pharmaceutical Plants: Ensures safe operation and shutdown in cleanroom and hazardous environments.
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Chemical Industry: Used in explosion-prone environments to safely isolate and amplify digital control signals.
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Energy Sector: For interfacing high-reliability sensors and actuators with emergency control systems.
Product Advantages
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High Safety Integrity: Certified to SIL 3, providing reliable performance in life-critical applications.
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Galvanic Isolation: Ensures complete electrical isolation between field inputs and control logic circuits.
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Compact Design: Slim 18mm width fits easily into standard DIN rail enclosures without requiring excessive space.
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Fast Switching: Enables high-speed response with minimal latency (<10 ms), essential in emergency shutdown scenarios.
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Robust Compatibility: Seamlessly integrates with HIMA Planar F-series systems and a wide range of field devices.
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Low Power Consumption: Energy-efficient operation ensures long-term cost savings.
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ATEX & IECEx Certified: Approved for use in explosive atmospheres, supporting hazardous area installations.
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Long Lifecycle: Designed for durability, ensuring low maintenance and high system availability over years of operation.
Frequently Asked Questions (FAQ)
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What is the primary function of the HIMA F3328A?
The F3328A amplifies and switches digital signals in safety-related systems, ensuring galvanic isolation and reliability. -
Is the F3328A certified for SIL 3 applications?
Yes, it is certified according to IEC 61508 for use in SIL 3 systems. -
What type of outputs does the F3328A provide?
It offers potential-free relay contacts suitable for interfacing with control elements. -
Can the F3328A operate in hazardous areas?
Yes, it is ATEX and IECEx certified, making it suitable for explosive atmospheres. -
What input voltage range does the F3328A support?
It accepts input signal levels between 15 and 30 V DC. -
How is the module mounted in a control panel?
It is designed for DIN rail mounting, suitable for standard electrical enclosures. -
Does the F3328A support redundancy or diagnostics?
It does not have built-in diagnostics but is compatible with HIMA safety system diagnostics. -
What is the weight of the F3328A module?
It weighs 1 kg. -
What is the maximum switching frequency of this amplifier?
The maximum recommended switching frequency is 10 Hz. -
Is the F3328A compatible with legacy HIMA systems?
Yes, it integrates well with both legacy and modern HIMA Planar F control platforms.
Related Models from the Same Series
| Model | Description | SIL Level | Input Type | Output Type |
|---|---|---|---|---|
| F3328 | Switching amplifier without advanced diagnostics | SIL 3 | Digital (DC) | Relay output |
| F3330 | Dual-channel safety switching amplifier | SIL 3 | 2 × Digital | Relay |
| F3331 | Digital output module for emergency control | SIL 3 | Internal system input | Solid-state output |
| F3221 | Analog input module with isolation | SIL 3 | Analog (4–20 mA) | Bus interface |
| F8650X | CPU module for safety control systems | SIL 3 | System Integration | Logic Control |
| F6208 | Power supply module for Planar F system | N/A | 24 V DC input | Internal bus supply |
Popular Models from HIMA (Same Brand)
| Model | Function | System | SIL Level | Application |
|---|---|---|---|---|
| F8621A | CPU module with Ethernet and serial ports | HIMax | SIL 3 | Central processing for safety logic |
| F7553 | Communication module for PROFIBUS-DP | HIMatrix | N/A | Industrial fieldbus communication |
| F8650X | Redundant CPU system with SIL 3 | Planar F | SIL 3 | Safety control and shutdown systems |
| F7133 | Analog input module | HIMatrix | SIL 2 | Analog signal monitoring |
| F6705 | Power supply monitoring module | Planar X | N/A | Voltage and current supervision |
| F3331 | Relay output for emergency signals | Planar F | SIL 3 | Critical shutdown signal relay |
