Description
Key Technical Specifications
- Product Model: F8627
- Manufacturer: HIMA
- System Platform: HIMax Safety Controller
- Certification Standard: IEC 61508 SIL 3, EN 61511
- Digital Inputs: 16 channels, 24V DC, PNP/NPN configurable
- Digital Outputs: 16 channels, 24V DC relay/transistor configurable
- Response Time: ≤ 2 ms per channel
- Isolation Voltage: 500 V AC between input/output channels
- Operating Temperature Range: -20°C to +70°C
- Storage Temperature Range: -40°C to +85°C
- Supply Voltage: 24V DC ±10%
- Current Consumption: ≤ 350 mA
- Communication Interface: HIMA proprietary high-speed bus, optional PROFIBUS DP
- Redundancy Support: Dual-channel redundant operation
- MTBF: > 500,000 hours
- Diagnostics: Built-in self-test and continuous channel monitoring
- Mounting Type: DIN rail / rack mount compatible
- Environmental Compliance: CE, UL certified, RoHS compliant
Technical Architecture & Functional Positioning
The HIMA F8627 is a high-speed digital input/output module that integrates directly into HIMax redundant safety controllers. Positioned at the I/O layer, it interfaces with field sensors and actuators, transmitting real-time signals to the redundant CPU for safety-critical process control. The module is engineered to meet SIL 3 safety standards, ensuring deterministic response and fail-safe operation under industrial conditions.
The F8627 employs galvanic isolation, high-speed switching, and internal self-diagnostics to mitigate electrical interference and prevent false trips. Its dual-channel redundancy ensures continuous operation even if a channel fails, maintaining system integrity and supporting bumpless switchover.
Engineering Value:
- Provides rapid, deterministic I/O signal processing for emergency shutdown and safety interlocks.
- Reduces downtime by allowing continuous operation during single-channel faults.
- Protects against voltage spikes, electromagnetic interference, and field wiring inconsistencies.
- Standardized I/O architecture simplifies system expansion and commissioning.
Typical Application Scenarios:
- Chemical and petrochemical plants for emergency shutdown (ESD) digital I/O control.
- Power generation plants for turbine, generator, and boiler safety interlocks.
- SIL 3-compliant replacement for legacy HIMA digital I/O modules.
- Offshore platform safety systems requiring environmental robustness.
- Continuous process industries needing high-availability safety control layers.
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