HIMA F8628X 

HIMA F8628X is a communication module under HIMA, specifically designed for Safety Instrumented Systems (SIS). It meets the requirements of safety control systems specified in IEC 61511 and IEC 62443. By leveraging the dedicated SafeEthernet protocol, it enables secure and redundant Ethernet communication, facilitating reliable data exchange between safety controllers (such as the H41q and H51q series) while achieving complete isolation from Basic Process Control Systems (BPCS) to prevent common-cause failures.

Main Technical Specifications

• Communication Interface: 10/100 Mbps Ethernet (RJ45)
• Supported Protocols: Modbus TCP, IEC 61850, OPC UA, SafeEthernet (proprietary)
• Power Supply: 24 V DC, input voltage range 110 V–380 V, power consumption 5 W–130 W
• Dimensions: 3 HU × 4 WU (approximately 44.45 mm × 5.08 mm)
• Operating Temperature: -25 °C ~ +55 °C (compliant with industrial on-site requirements)
• Protection Class: IP20 (for indoor cabinet installation)
• Redundancy Mode: Single-unit or dual-unit redundancy, ensuring system operation is not affected by single-point faults
• Certifications: Compliant with IEC 61511 functional safety level SIL 2/3; certified by Wurldtech Achilles for security

Product Features

1. Secure Communication: Adopts the proprietary SafeEthernet protocol, providing one-way or two-way redundant channels to ensure data integrity and confidentiality during transmission.
2. Functional Safety Integration: The module runs a dedicated operating system internally, and its fault-tolerant design ensures that failures of any unit do not affect the overall safety function.
3. Easy Integration: Complies with HIMA’s standard 3 HU × 4 WU specification, allowing direct insertion into the HIMA Planar-System chassis.
4. Multi-Protocol Compatibility: Supports commonly used industrial protocols such as Modbus TCP, IEC 61850, and OPC UA, facilitating connection with upper-level systems or DCS.
5. Reliable Power Management: Features a wide input voltage range and low-power design, making it suitable for various on-site power environments.

Structure and Composition

• CPU/Processing Unit: Embeds a dedicated safety CPU, running HIMA’s self-developed safety operating system.
• Ethernet Interface Board: Provides a 10/100 Mbps physical layer, equipped with an RJ45 interface and an optional fiber optic conversion module.
• Power Module: Incorporates an internal DC-DC converter, converting on-site 110–380 V AC to 24 V DC.
• Redundancy Control Unit: Optional dual-unit redundancy card, enabling hot backup of communication links.
• Housing and Connectors: Complies with IEC 60529 IP20 standard, equipped with standardized cabinet mounting screws and buckles.

Typical Application Fields

• Petrochemical Safety Instrumented Systems (explosion protection, leakage detection, emergency shutdown)
• Power Systems (safety shutdown and protection for power plants and substations)
• Natural Gas Transmission and Distribution (pipeline leakage detection, safety control for compression stations)
• Metallurgy and Iron & Steel Industry (safety monitoring for high-temperature furnaces and continuous casting processes)
• Pharmaceutical and Food Industry (hygienic-grade safety control)
• Large-Scale Manufacturing (safe collaboration of robots, automated production lines)

Key Points for Installation and Maintenance

Pre-Installation Preparation

1. Confirm that the cabinet dimensions comply with the 3 HU × 4 WU standard.
2. Verify that the on-site power supply falls within the 110–380 V AC range and has proper grounding.
3. Select the single-unit or dual-unit redundancy mode according to project safety specifications.

Mechanical Installation

1. Slide the module into the corresponding slot and secure it with the provided screws.
2. Connect the Ethernet cable (Cat 5e/6) to the RJ45 interface; if fiber optics are used, a fiber optic conversion module is required.

Electrical Wiring

1. Connect the 24 V DC power cable to the module’s power terminals, ensuring correct polarity.
2. For redundant power supplies, connect two separate power sources and enable redundancy monitoring in the configuration software.

Software Configuration

1. Use the HIMA SILworX tool to configure network topology, assign IP addresses, and set security policies.
2. Enable two-factor authentication and user role management to ensure only authorized personnel can modify communication parameters.

Commissioning and Verification

1. Use the diagnostic tools provided by HIMA to check link status, redundancy switching functions, and protocol compatibility.
2. Conduct functional safety tests (e.g., fault injection required for SIL 2/3) to verify the module’s behavior in fault scenarios.

Routine Maintenance

1. Regularly check the tightness of Ethernet interfaces and power terminals to prevent loosening.
2. Perform firmware updates at least once a year to ensure safety protocols and vulnerability patches are up-to-date.
3. Record all maintenance operations and save logs to meet functional safety audit requirements.

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If you would like to learn more about our products and services, please feel free to contact us at any time!

• Sales Manager : Jinny
• Email : sales5@xrjdcs.com
• Whatsapp/Mobile:+86 15359273791

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