HIMA F-8650 H41q H51q Central Processing Unit Modules
Manufacturer: HIMA
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Part Number: F8650
Condition：New with Original Package
Product Type: Central Processing Unit Modules
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Country of Origin: Germany
Payment:T/T, Western Union
Shipping port: Xiamen
Warranty: 12 months
HIMA F8650 H41q/H51q Central Processing Unit Module
The HIMA F8650, also cataloged as the F8650 Central Processing Unit Module, operates as a dedicated hardware component for safety logic execution and real-time parameter monitoring within H41q/H51q Safety Controller platforms.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | F8650 |
| Brand | HIMA |
| Origin | Germany |
| Weight | 0.34 kg |
| Dimensions | 117 mm x 270 mm x 123 mm |
| Operating Temp | Standard Industrial Limits |
| Power Consumption | 24 V DC nominal |
| Series | H41q / H51q |
| Function | Central Processing Unit (CPU) Module |
| Processor Architecture | Dual Intel 386EX, 32-bit, 25 MHz |
| Onboard Memory | 1 MB Flash-EPROM (OS), 512 KB Flash-EPROM (user program) |
| Safety Certification | SIL 3 (IEC 61508), SIL 4 (EN 50126/28/29), PL e (EN ISO 13849-1) |
| Communication Interfaces | Redundant Ethernet, RS232, RS485, PROFIBUS, INTERBUS |
| Diagnostics | Voltage, temperature, and watchdog monitoring |
| Backup Battery | Lithium (CR2477N), 6-year replacement interval |
| Mounting Type | Rack-mounted |
Galvanic Isolation and SIL 3 Fail-Safe State Execution
Internal optocouplers maintain galvanic isolation between core microprocessor logic circuits and external serial communication pathways, preventing field interference from disrupting safety processing loops. Dual Intel 386EX microprocessors execute safety algorithms in synchronized lockstep mode, running continuous self-testing diagnostic routines to evaluate memory allocation, clock cycle timing, and backplane bus synchronization. If an unrecoverable internal processing mismatch or bus corruption event occurs, integrated hardware watchdog circuits force active control loops directly into a de-energized fail-safe state. This deterministic safety behavior maintains compliance across SIL 3 (IEC 61508), PL e (EN ISO 13849-1), and railway SIL 4 (EN 50126/28/29) execution standards.
Frequently Asked Questions
Q: How does the dual-processor architecture respond when internal execution diverges?
A: Hardware comparators evaluate lockstep execution cycle by cycle, instantly releasing safety relays to force system outputs into a de-energized fail-safe state if logic discrepancies occur.
Q: Are hot-swap replacements permitted during continuous system operation?
A: The physical rack enclosure interface supports hot-swappable replacement, allowing technicians to swap a module in redundant configurations without interrupting active backplane communications.
Q: How do integrated communication interfaces prevent external ground transients?
A: Dedicated galvanic isolation circuitry decouples RS232, RS485, PROFIBUS, and Ethernet channels from primary logic buses to isolate external electrical noise.
Field Installation Guidelines
Disconnect main system power feeds before inserting or extracting the assembly from the rack frame card cage. Slide the module carefully along card guide channels to ensure alignment with backplane socket pins. Tighten top and bottom retaining screws to establish frame grounding continuity and secure the module against mechanical vibration. Route Ethernet, PROFIBUS, and serial communication cables through segregated cable conduits, keeping signal lines separate from high-voltage AC wiring. Terminate cable shielding at a single enclosure entry rail using 360-degree grounding clamps to prevent ground loops.