Hima ELOP II
The Hima ELOP II is a state – of – the – art safety – related automation solution module, specifically designed to meet the stringent safety requirements in industries such as petrochemical, power generation, oil and gas, and nuclear. As a key component of safety – instrumented systems (SIS), it provides reliable, fail – safe control and monitoring capabilities, ensuring the protection of personnel, equipment, and the environment by detecting abnormal conditions and triggering appropriate safety actions.
2.2 Core Functions & Working Mechanisms
- Safety Logic Execution: The ELOP II module excels at executing complex safety logic. It processes input signals from a wide range of safety – critical sensors, such as pressure sensors, temperature sensors, and flame detectors. Based on pre – programmed safety algorithms and logic diagrams, it evaluates the process data in real – time. When an abnormal situation is detected, for example, an overpressure or a fire alarm, the module immediately initiates the corresponding safety actions, which may include shutting down equipment, isolating process sections, or sounding alarms, to prevent accidents and mitigate potential hazards.
- Redundant Architecture: Employing a highly reliable redundant design, the ELOP II module features hardware and software redundancy. Multiple redundant processing units continuously monitor and cross – check each other’s operations. In the event of a single component failure, the redundant units can seamlessly take over the functionality without any interruption in safety operations. This ensures high availability and reliability, minimizing the risk of system failures during critical situations.
- Communication and Integration: It supports various industrial communication protocols, including PROFIBUS, Ethernet, and HART, enabling seamless integration with other process control systems, distributed control systems (DCS), and field devices. The module can exchange data with different levels of the automation hierarchy, from field sensors and actuators to higher – level control rooms. This allows for centralized monitoring, configuration, and management of safety – related parameters, enhancing overall plant safety management.
- Diagnostic and Monitoring: The ELOP II is equipped with an advanced self – diagnostic system that continuously monitors its internal components, communication links, and the integrity of safety logic execution. It can detect faults in real – time, such as sensor malfunctions, communication failures, or internal hardware errors. Detailed diagnostic information is provided, including the location and nature of the fault, which helps maintenance personnel quickly identify and resolve issues, reducing downtime and ensuring the continued effectiveness of the safety system.
2.3 Technical Advantages
- High Safety Integrity Level (SIL): The Hima ELOP II is certified to Safety Integrity Level 3 (SIL 3) according to IEC 61508 and IEC 61511 standards. This high SIL rating demonstrates its ability to perform its safety functions with extremely low probabilities of failure on demand and during continuous operation, providing a high level of safety assurance for critical industrial processes.
- Fast Response Time: With its high – speed processing capabilities, the module can respond to safety – critical events within milliseconds. This rapid response is crucial in preventing the escalation of abnormal situations and ensuring the timely activation of safety measures, safeguarding industrial operations from potential disasters.
- Flexible Configuration: Users can easily configure the ELOP II module through dedicated engineering tools. They can define safety logic diagrams, set input/output parameters, and customize communication settings according to specific plant requirements. The flexible configuration options allow for easy adaptation to different process safety scenarios and enable seamless integration into existing automation systems.
- Cybersecurity – enhanced Design: In an era of increasing cyber threats, the ELOP II incorporates advanced cybersecurity features. It uses secure communication protocols, access control mechanisms, and encryption techniques to protect safety – related data from unauthorized access, tampering, and cyberattacks. This ensures the integrity and confidentiality of safety information, safeguarding the overall safety of industrial plants.
2.4 Application Areas
- Petrochemical Industry: In petrochemical plants, the Hima ELOP II module is used to monitor and control processes involving hazardous chemicals. It ensures the safety of chemical reactors, distillation columns, and storage tanks by detecting abnormal conditions such as leaks, overheating, and pressure surges, and taking immediate safety actions to prevent chemical spills and explosions.
- Power Generation: For power plants, especially nuclear and thermal power plants, the module plays a vital role in ensuring the safety of power generation equipment and the overall plant. It monitors parameters like reactor coolant levels, turbine speeds, and electrical system conditions, and initiates safety shutdowns or protective actions when necessary to prevent power outages, equipment damage, and potential radiation hazards in nuclear plants.
- Oil and Gas Industry: In oil and gas exploration, production, and refining operations, the ELOP II module safeguards against risks such as gas leaks, pipeline overpressure, and fire hazards. It controls safety – critical functions in offshore platforms, refineries, and pipelines, ensuring the safe operation of the entire oil and gas infrastructure and protecting workers and the environment.
3. Product Parameters
3.1 Hardware Parameters
- Processor: High – performance, fail – safe microprocessors with redundant processing units
- Memory: 1 GB of non – volatile memory for program storage, 512 MB of RAM for data processing
- I/O Channels:
- Analog Inputs: Up to 64 channels, supporting signals like 4 – 20mA, 0 – 10V, with 16 – bit resolution
- Digital Inputs: Up to 128 channels, compatible with dry contact and 24V DC signals
- Analog Outputs: Up to 32 channels, outputting 4 – 20mA, 0 – 10V signals
- Digital Outputs: Up to 64 channels, transistor output, capable of driving 24V DC loads
- Communication Interfaces:
- Ethernet: 2 ports, 10/100/1000Mbps adaptive, supporting protocols like Modbus TCP, OPC UA
- PROFIBUS: 2 ports, supporting PROFIBUS DP/V0 and PROFIBUS PA
- HART: 4 ports for communication with HART – enabled field devices
3.2 Electrical Parameters
- Power Supply: 24V DC (±15%), with redundant power input options
- Power Consumption: ≤30W (typical operation)
- Isolation: Electrical isolation between all I/O channels and power supply, isolation voltage: 2500V DC
3.3 Environmental Parameters
- Operating Temperature: – 40°C – 70°C
- Storage Temperature: – 45°C – 85°C
- Relative Humidity: 5% – 95% (non – condensing)
- Vibration Resistance: Complies with IEC 60068 – 2 – 6 standard, withstands 2G vibration (10 – 500 Hz)
- Shock Resistance: Complies with IEC 60068 – 2 – 27 standard, withstands 15G shock (11 ms)
- EMC Compliance: Meets EN 61000 – 6 – 2 (Electromagnetic Immunity) and EN 61000 – 6 – 4 (Electromagnetic Emission) standards
3.4 Safety and Reliability Parameters
- Safety Integrity Level: SIL 3 (certified according to IEC 61508 and IEC 61511)
- MTBF (Mean Time Between Failures): ≥500,000 hours
- Fault Detection Coverage: >99% for critical faults
- Redundancy: Dual – redundant architecture for all critical components
4. Product Specifications
4.1 Physical Specifications
- Dimensions: 200mm (L) × 150mm (W) × 100mm (H)
- Weight: Approximately 1.2 kg
