Safety Central CPU Module Overview
F8650X is a safety central module used in PES H51q safety systems.
It runs two synchronized processors for reliable safety control.
The module meets SIL 3 requirements according to IEC 61508.
It supports safe communication, system diagnostics, and fault shutdown.
Main Hardware Architecture
- Central processing module for safety automation systems.
- Used in PES H51q-MS, H51q-HS, and H51q-HRS platforms.
- Safety integrity level up to SIL 3.
- Dual microprocessor architecture for redundancy.
- Processor type: Intel 386EX.
- 32-bit industrial processor structure.
- Clock speed: 25 MHz.
Memory Structure
- Operating system memory: 1 MB Flash-EPROM.
- User application memory: 1 MB Flash-EPROM.
- Process data memory: 1 MB SRAM.
- Memory usage depends on firmware version.
- Fast memory access improves response time.
Communication Interfaces
- Two serial communication interfaces.
- Communication protocol: RS485.
- Electrical isolation protects the system.
- Stable data transmission between safety modules.
- Supports communication with Ethernet modules.
RS485 Pin Signal Definition
- Pin 1 – not used.
- Pin 2 – RP signal, 5 V decoupled by diodes.
- Pin 3 – RxD/TxD-A data line.
- Pin 4 – CNTR-A control signal.
- Pin 5 – Data ground.
- Pin 6 – VP power supply 5 V positive.
- Pin 7 – not used.
- Pin 8 – RxD/TxD-B data line.
- Pin 9 – CNTR-B control signal.
Diagnostic Display System
- Four-digit alphanumeric diagnostic display.
- Two LED indicators for system status.
- CPU LED indicates central processor faults.
- IO LED indicates input or output errors.
- Toggle switches allow detailed error reading.
- ACK button resets the fault indication.
- In failure stop, ACK restarts the system.
Safety Shutdown Features
- Integrated safety watchdog.
- Automatic shutdown on internal fault.
- Safety output voltage: 24 V.
- Maximum load current: 500 mA.
- Short circuit protected output channel.
- Designed for critical protection applications.
Integration With Communication Module
- Works with communication module F8627X.
- Allows connection to engineering workstation PADT.
- Supports ELOP II TCP engineering system.
- Enables communication through Ethernet network.
- Supports SafeEthernet and Modbus TCP.
- Data transfer occurs via backplane bus.
Special Functional Capabilities
- Self-education function available from OS version V7.0-8.
- Supports remote configuration and program loading.
- Works with ELOP II engineering software.
- Improves system learning and maintenance efficiency.
Installation and Maintenance Notes
- Buffer battery lifetime about 1000 days at 25°C.
- Battery lifetime about 200 days at 60°C.
- Battery replacement recommended every six years.
- Recommended battery type: CR2477N lithium battery.
- Check bus station number using switch S1.
- Verify correct transmission rate before start-up.
- Cooling concept must change when upgrading from F8650.
Mechanical Construction
- Two European standard printed circuit boards.
- Dedicated board for diagnostic display.
- Rack installation format.
- Space requirement: 8 SU.
Operating Power Requirements
- Logic supply voltage: 5 V.
- Current consumption: 2 A.
- Designed for stable industrial operation.
Industrial Advantages
- Certified safety processor architecture.
- High reliability for critical shutdown systems.
- Advanced diagnostics reduce maintenance time.
- Stable communication with safety networks.
- Long operating life in harsh environments.
Shipping Options
- FedEx fast international delivery.
- UPS global express service.
- DHL priority logistics.
- Professional protective packaging included.
Warranty Policy
- 12-month warranty after delivery.
- Covers manufacturing defects.
- Technical support available during warranty.
- Professional assistance for system integration.
Professional FAQ
- What safety level does the F8650X module support?
- The module supports safety applications up to SIL 3.
- Why does the module use dual processors?
- Two processors verify each other and improve safety reliability.
- How does the module communicate with Ethernet networks?
- It connects through the F8627X communication module.
- What maintenance action should engineers perform regularly?
- Check the buffer battery and replace it when needed.
- How to select the correct HIMA central module?
- Confirm system platform, safety level, and communication modules.
Contact Information
- Email: info@oiltechcontrols.com
- WhatsApp: +86 158 8020 0923
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