Product Overview
The HIMA F8650X is a high-performance central processing unit module designed for use in HIMA's HIMax safety system. It is specifically engineered for fail-safe automation in critical process applications, providing powerful redundant processing, advanced diagnostic capabilities, and hot-swap support.
Key Features
- Dual-core redundancy with lockstep technology for fail-safe operation
- SIL 3 certification according to IEC 61508
- PL e certification according to ISO 13849
- Hot-swap capability for online replacement without system downtime
- Advanced diagnostics with a four-digit alphanumeric display and LED indicators
- Comprehensive communication interfaces including Safe Ethernet and RS 485
- High fault tolerance and system availability (99.9999%)
- Real-time communication protocol support
Applications
The HIMA F8650X is ideal for high-risk applications requiring the highest level of safety integrity:
- Oil and gas industry (refineries, offshore platforms)
- Chemical processing plants
- Power generation (nuclear, conventional, and renewable energy)
- Water treatment facilities
- Metallurgical processes
- Any application requiring SIL 3 safety integrity level
Installation Guide
CAUTION: Before installing the HIMA F8650X module, ensure that power is disconnected from the system to prevent electrical shock or damage to equipment. Installation should only be performed by qualified personnel.
1. Preparation
- Verify that the installation environment meets the specified operating conditions:
- Temperature: 0°C to +60°C
- Relative humidity: 5% to 95% (non-condensing)
- Free from excessive vibration, dust, and corrosive substances
- Ensure the HIMax system rack is properly installed and grounded
- Prepare the necessary tools:
- Anti-static wrist strap
- Screwdriver set
- Torque wrench (if required)
- Inspect the module for any visible damage before installation
2. Mounting the Module
- Put on the anti-static wrist strap and connect it to a suitable ground point
- Identify the correct slot in the HIMax system rack for the F8650X module
- Align the module with the guide rails in the rack
- Gently slide the module into the rack until it makes contact with the backplane connector
- Secure the module in place using the captive screws on the front panel
- Tighten the screws to the recommended torque (refer to system documentation)
3. Wiring Connections
Follow these steps to wire the HIMA F8650X module:
- Connect the power supply to the designated power terminals
- For communication interfaces:
- RS 485: Use shielded twisted twisted-pair cables
- Ethernet: Use Cat 5e or higher Ethernet cables
- Ensure signal cables separately from power cables to minimize interference
- Ensure proper grounding of all cables and shields
- Label all connections clearly for future reference
4. Hot-Swap Replacement (if applicable)
NOTE: The HIMA F8650X supports hot-swap replacement in redundant configurations. This allows for module replacement without system shutdown.
- Ensure the redundant partner module is functioning correctly
- Press the module's hot-swap button (if equipped) to initiate the removal sequence
- Wait for the ready-to-remove indicator (if available)
- Loosen the captive screws and carefully remove the module
- Insert the new module and secure it with the captive screws
- Wait for the module to synchronize with the redundant partner
5. Post-Installation Check
- Apply power to the system
- Verify the Power OK LED illuminates
- Check for any fault indicators
- Confirm communication with the module via the HIMax configuration software
- Run diagnostic tests to ensure proper operation
Configuration Guide
Software Requirements
The HIMA F8650X module is configured using HIMA's programming and configuration software:
- HIMA Safety Matrix or HIMatrix Programming Software
- Compatible operating system (Windows 10 or later)
- Minimum 4 GB RAM, 500 MB free disk space
- Ethernet or serial communication interface
Basic Configuration Steps
- Install the HIMA configuration software on your PC
- Connect the PC to the HIMax system via Ethernet or serial cable
- Launch the configuration software and establish communication with the system
- Identify the F8650X module in the system topology
- Configure module parameters:
- Bus station number (1-31 for serial, 1-99 for Ethernet)
- Transmission rate
- Redundancy settings
- Diagnostic parameters
- Safety-related parameters
- Develop and download the application program:
- Create function block diagrams or ladder logic
- Implement safety interlocks and logic
- Configure I/O assignments
- Compile and verify the program
- Download to the F8650X module
- Test the configuration and application program
- Save the configuration to a secure location
Bus Station Number Setting
The bus station number is set using switches S1-1/2/3/4/5/6/7 on the module:
- For serial interface (RS 485): Set bus station number 1-31 using switches S1-1/2/3/4/5
- For Ethernet network: Set bus station number 1-99 by additionally using switches S1-6/7
- The number of communication partners in a network is limited to 64
NOTE: The enhanced setting of the bus station number (1-99) is only possible from operating system BS 41Q/51Q V7.0-8 (05.31) or later.
Transmission Rate Setting
The transmission rate is set using switch S1-8 on the module. Refer to the system documentation for the specific rate corresponding to the switch position.
Self-Education Feature
NOTE: From operating system BS 41Q/51Q V7.0-8 (05.31), the F8650X supports a self-education feature for loading operating systems and application programs.
Communication Configuration
The F8650X supports various communication protocols and configurations:
- Connection to PADT (ELOP II TCP) using communication module F8627X
- Connection to other communication partners within an Ethernet network (Safe Ethernet, Modbus TCP)
- Communication runs from the central module via the backplane bus to the communication module F8627X
- Data transmission between Ethernet ports of F8627X and the Ethernet network
Troubleshooting Guide
NOTE: Before troubleshooting, always ensure that power is disconnected from the system to prevent electrical shock or damage to equipment, unless performing live diagnostics.
Using Sensory Checks for Initial Diagnostics
- Visual Inspection: Check for any visible abnormalities:
- Bending, deformation, or discoloration
- Broken or loose connections
- Signs of overheating (discoloration, burn marks)
- Smoke or oil leakage
- Corrosion or sparks
- Smell Test: Detect unusual odors that may indicate:
- Overheating components (burning smell)
- Damaged insulation
- Sound Check: Listen for abnormal sounds:
- Unusual vibrations
- Grinding or clicking noises
- Alarm buzzers or beeps
- Touch Test: (Only on insulated parts when safe to do so):
- Excessive heat on module housing
- Loose connections
Common Issues and Solutions
1. No Power Indication
- Check power supply connections
- Verify 5V DC power supply is active
- Check power supply fuse
- Inspect for damaged power terminals
- Verify proper grounding
2. Communication Errors
- Check Ethernet/RS 485 cable connections
- Verify bus station number settings
- Check for transmission rate mismatches
- Inspect communication port for damage
- Verify network settings and IP address configuration
- Check for IP address conflicts
3. Fault Alerts
- Check the four-digit matrix display for fault codes
- Connect to the module using configuration software for detailed fault information
- Inspect for open circuits, short circuits, or overvoltage conditions
- Verify all wiring connections
- Check for electromagnetic interference
- Run diagnostic tests using the configuration software
4. Module Not Responding
- Check power supply and connections
- Verify module is properly seated in the rack
- Check for visible damage to the module
- Attempt a power cycle of the system
- Check for configuration errors
- Verify communication settings
Diagnostic Procedures
- Connect to the module using HIMA configuration software
- Navigate to the Diagnostics tab or menu
- Run a full system diagnostic scan
- Review diagnostic results for any issues
- Follow recommended actions for any detected problems
- Use the four-digit matrix display to view real-time status information
Maintenance Schedule
- Monthly: Visual inspections for loose connections or corrosion
- Quarterly: Run diagnostic tests using configuration software
- Semi-annually: Check communication links and verify signal integrity
- Annually: Complete system test and backup configuration
- As needed: Replace modules or components as indicated by diagnostics
IMPORTANT: Use only HIMA-certified spare parts to maintain SIL 3 integrity and system reliability. Unauthorized parts may compromise safety and void certifications.
Interactive Connection Diagram
Component Identification
Front Panel Components
- Four-digit Matrix Display: Shows module status, fault codes, and diagnostic information
- LED Indicators:
- Power OK: Indicates proper power supply
- Comm Active: Shows active communication
- Fault: Indicates system or module fault
- Communication Ports:
- Ethernet: For network communication
- RS 485: For serial communication
- Configuration Switches: For setting bus station number and transmission rate
- Captive Screws: For securing the module in the rack
Internal Components
- Dual-core Processors: Intel 386 EX, 32 bits, 25 MHz, operating in lockstep
- Memory: Flash-EPROM for operating system and user program, SRAM for data
- Communication Controller: Manages Ethernet and RS 485 interfaces
- Watchdog Timer: Safety-related watchdog with 24V output (loadable up to 500 mA)
- Backplane Interface: For connection to HIMax system bus
Signal Flow
The HIMA F8650X processes signals in the following sequence:
- Input signals are received from field devices via I/O modules
- Signals are transmitted to the F8650X via the system bus
- Redundant processors execute the safety logic in lockstep
- Results are compared for consistency (lockstep verification)
- Output commands are sent to field devices via I/O modules
- Diagnostic information is continuously updated and made available
NOTE: For detailed wiring diagrams specific to your application, refer to the HIMA F8650X Technical Manual or consult with HIMA technical support.
HIMA F8650X Central Processing Unit Module - Technical Documentation
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