Product Overview

The HIMA F8652E is a high-performance central processing unit (CPU) module designed for safety-critical industrial automation applications. As a core component of HIMA’s HIQuad safety system, the HIMA F8652E integrates dual redundant 32-bit processors to ensure the highest level of functional safety (SIL 3 certified under IEC 61508). This module is engineered to manage complex safety logic and large-scale I/O data, making it ideal for industries such as oil and gas, chemical processing, power generation, and nuclear energy.

The HIMA F8652E supports multiple communication protocols, including PROFIBUS, CANopen, and MODBUS, enabling seamless integration with PLCs, DCS systems, and other industrial networks. Its robust design includes a wide operating temperature range (-40°C to +85°C), ensuring reliability in harsh industrial environments. The module’s modular architecture and diagnostic capabilities simplify system expansion and maintenance, reducing downtime and operational costs.

With its advanced safety features and high computational power, the HIMA F8652E is a trusted solution for critical applications requiring fail-safe operation and real-time response.

Technical Specifications

Parameter Name Parameter Value
Product Model HIMA F8652E
Manufacturer HIMA
Product Type Central Processing Unit (CPU) Module
Safety Integrity Level (SIL) SIL 3 (IEC 61508)
Processor Dual Intel 386EX Microprocessors (32-bit)
Clock Frequency 25 MHz
Operating System Storage 1 MByte Flash-EPROM (per processor)
User Program Storage 512 KByte Flash-EPROM (per processor)
Data Storage 256 KByte SRAM (per processor)
Communication Interfaces 2 × RS-485 Serial Interfaces (Electrically Isolated)
Diagnostic Display 4-Digit Alphanumeric Display, 2 × LED Indicators
Watchdog Timer Fail-Safe Output, 24 V DC, 500 mA Max Load
Physical Dimensions 8 TE (Eurocard Format)
Power Supply 5 V DC / 2000 mA (Backplane Powered)
Operating Temperature -40°C to +85°C (Depends on CPU Version)

 

Main Features and Advantages

The HIMA F8652E stands out for its dual redundant processor architecture, which ensures high system availability and fault tolerance. Even if one processor fails, the other continues to operate, maintaining safety functions without interruption. This design, combined with SIL 3 certification, makes the module suitable for applications where safety is non-negotiable.

A key advantage is the module’s comprehensive self-diagnostic capabilities, which continuously monitor processor status, memory integrity, and communication links. This proactive approach to fault detection minimizes downtime and simplifies maintenance. The HIMA F8652E also supports hot-swappable replacement, allowing field engineers to replace modules without powering down the system, further enhancing operational efficiency.

The module’s wide temperature range and industrial-grade components ensure reliable performance in extreme environments, such as offshore platforms or desert facilities. Its compatibility with HIMA’s ELOP II or SILworX engineering tools streamlines safety logic development and system debugging, reducing engineering time and costs.

Another notable feature is the module’s flexible communication options, including RS-485 interfaces with electrical isolation, which prevent ground loops and electromagnetic interference. This ensures reliable communication with other I/O modules and peripheral devices, even in electrically noisy environments.

Application Fields

In the oil and gas sector, the HIMA F8652E is used to manage emergency shutdown systems (ESD) and fire and gas detection systems. Its SIL 3 certification and redundant architecture make it ideal for preventing catastrophic failures in refineries and pipelines. The module’s ability to handle complex safety logic ensures rapid response to hazardous conditions, protecting personnel and equipment.

For chemical processing plants, the HIMA F8652E controls critical processes such as reactor temperature and pressure monitoring. Its high-resolution I/O capabilities and real-time data processing enable precise control of chemical reactions, improving product quality and reducing waste. The module’s diagnostic features simplify compliance with safety regulations, lowering audit risks.

The HIMA F8652E is also widely used in power generation, where it manages turbine overspeed protection and boiler feedwater control. Its compatibility with legacy DCS platforms makes it a preferred choice for retrofitting aging infrastructure without disrupting production. Additionally, in nuclear power plants, the module ensures safe operation of reactor cooling systems, meeting stringent regulatory requirements.

Beyond traditional sectors, the HIMA F8652E excels in marine and offshore applications, such as FPSO vessels and drilling rigs, where salt corrosion and vibrations are persistent threats. By consolidating multiple safety functions into a single unit, the module reduces cabinet space requirements and simplifies wiring complexity, offering tangible benefits for capital-intensive projects.

Related Products

  • HIMA X-CPU 01: Central processing unit for HIMA X-Series systems, offering redundant logic execution and high-speed data processing.
  • HIMA F8650E: A variant of the F8652E with a different processor configuration, suitable for less demanding safety applications.
  • HIMA F8627X: A control component module for data processing, often used in conjunction with the HIMA F8652E for expanded I/O capabilities.
  • HIMA X-AI 16 51: Analog input module with 16 channels, providing high-resolution signal acquisition for monitoring and control applications.
  • HIMA X-DO 24 02: Digital output module with 24 channels, suitable for controlling actuators and valves in safety-critical systems.
  • HIMA X-PSU 24: Redundant power supply unit ensuring uninterrupted operation during mains failures.
  • HIMA X-HMI 01: Operator interface for local monitoring and bypass management of safety functions.

These products complement the HIMA F8652E by expanding input/output capacity, enhancing communication capabilities, and ensuring system-wide redundancy.

Installation and Maintenance

Pre-installation preparations: Before deploying the HIMA F8652E, verify that the installation environment meets the specified temperature (-40°C to +85°C) and humidity (5–95% RH non-condensing) requirements. Ensure the power supply complies with the 5 V DC nominal voltage (2000 mA) and that grounding follows IEC 60204-1 standards to prevent electrical noise interference.

During mounting, use the provided Eurocard clips and secure all cable connections with torque-controlled screwdrivers to avoid loose terminals. After physical installation, validate communication links using HIMA’s SILworX tool, which auto-detects module configurations and firmware versions.

Maintenance suggestions: Regularly inspect the module’s front-panel LEDs for diagnostic codes indicating processor faults or communication errors. Schedule biannual firmware updates to patch security vulnerabilities and improve functional safety. For modules operating in corrosive environments, clean terminals annually with isopropyl alcohol and apply dielectric grease to prevent oxidation.

Avoid using non-HIMA-certified replacement parts, as these may compromise SIL certification. In case of module replacement, utilize the hot-swap feature to minimize process downtime and recalibrate safety thresholds post-installation.

Product Guarantee

Our company offers a one-year quality warranty service for the HIMA F8652E, covering hardware malfunctions not caused by human factors. During the warranty period, if the product shows abnormal performance or functional failure, we will provide replacement services. Our commitment to quality extends beyond the warranty period, with technical support available 24/7 through our dedicated hotline and email service, staffed by engineers certified in functional safety management.

For discontinued models or urgent demands, relying on our global supply chain network, we can quickly respond to customers’ procurement needs for scarce spare parts. Our company has been a leading enterprise in the industrial control industry since 2007, with 17 years of expertise in distributing and trading PLC modules, DCS cards, ESD system cards, vibration monitoring system cards, turbine control system modules, gas generator spare parts, instruments, and other industrial control components.

We pride ourselves on our large inventory of unpopular and discontinued models, ensuring that we can meet the urgent demand of customers for spare parts. Our main brands include ABB, Rockwell Automation, GE, TRICONEX, BENTLY NEVADA, FOXBORO, EMERSON, and more. With a strong supply chain and a commitment to customer satisfaction, we provide reliable services to support the continuous and stable operation of industrial systems.


Contact Us
WhatsApp: +86 18859254943
E-mail: sales@ygplc.com

HIMA F8650E modbus card
HIMA F8652E Power strip
HIMA F8652X Power source
HIMA F8621A base
HIMA F8627 exchange
HIMA F-CPU 01 DI module
HIMA F-COM 01 AI card
HIMA F3221 Pulse encoder
HIMA F3224A Module connector
HIMA F3236 Servo module
HIMA F3248 Control cabinet node unit
HIMA F6215 governor