HIMA F3330 – Safety Digital Output Module Overview
The F3330 from HIMA is a safety-related digital output module used in Safety Instrumented Systems (SIS). It is widely applied in Emergency Shutdown (ESD), interlocking protection, and critical industrial process control. The module is commonly used within HIMA safety platforms such as HIMax and H41q.
1. Product Positioning and Purpose
The F3330 is an 8-channel safety output module designed to transmit control signals from the safety controller to field devices, such as:
- Solenoid valves
- Relays
- Alarm devices
- Actuators
It is specifically designed for high-integrity industrial environments, including:
- Oil & gas
- Chemical plants
- Power generation
- Nuclear and offshore platforms
- Critical manufacturing industries
2. Key Technical Specifications
Output & Electrical Parameters
- Number of outputs: 8 independent safety outputs
- Channel current rating:
-
- Channels 1–3, 5–7: 0.5 A
- Channels 4 & 8: up to 2 A
- Supported loads:
- Resistive / inductive loads ≤ 500 mA (12 W)
- Lamp loads ≤ 4 W
- Internal voltage drop: ≤ 2 V @ 500 mA
- Maximum line resistance: ≤ 11 Ω
- Undervoltage shutdown: outputs switch off automatically at ≤ 16 V
Power Supply & Consumption
- 5 V DC: 110 mA
- 24 V DC: 180 mA (without load)
3. Safety and Reliability Features
SIL3 Functional Safety
- Certified for IEC 61508 SIL3
- Suitable for the highest Safety Integrity Level in SIS applications
Fail-Safe Design
- Loss of L-supply → outputs switch off automatically
- Short-circuit protection
- Automatic diagnostics and self-testing
- Output signal read-back monitoring
Redundancy and High Availability
- Supports HIMA QMR (Quadruple Modular Redundancy) architecture
- Compatible with redundant safety systems
- Continuous operation with online diagnostics
4. Key Features Summary
| Category | Details |
|---|---|
| Safety Level | SIL3 / Cat.4 |
| Output Type | Safety digital outputs |
| Channels | 8 |
| Protection | Short circuit, undervoltage, self-test |
| Typical Use | ESD, interlocking, SIS |
5. Typical Applications
The F3330 is widely used for safety-critical output control, including:
- Emergency Shutdown Systems (ESD)
- Fire & Gas Systems (F&G)
- Gas turbine protection
- Boiler protection
- Compressor interlocking
- Offshore platform safety systems
6. Summary
The HIMA F3330 is a high-reliability SIL3 safety output module featuring:
- 8 safety output channels
- Comprehensive diagnostics and self-testing
- Designed specifically for SIS and ESD systems
- High redundancy, reliability, and long service life
Core Products & Services:
- Control Systems (DCS, PLC, CNC)
- Control Panels & Panel Controllers
- Human Machine Interfaces (HMI) & Display Panels
- Drives & Servo Motors
- Encoders & Resolvers
- Industrial Power Supplies
We maintain a vast inventory of industrial control system spare parts, sourcing from a wide range of leading manufacturers and an extensive supplier network to ensure flexibility and reliability.
To address your urgent needs, we offer rapid shipping for efficient solutions. Even if a specific part is not in stock, we can typically locate and procure it for you promptly.
Furthermore, through Moore Automation, we specialize in providing high-quality obsolete and discontinued spare parts. This service helps you extend the lifespan of your installed control systems and effectively reduce long-term maintenance costs.
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