Product Details
Module Performance and Architecture
The F 8620/11 (Part Number F-8620/11) is the high-integrity computational core designed for HIMA H41q and H51q safety systems. As a central processing unit, it executes complex safety-instrumented functions (SIF) with a focus on deterministic logic solving. The module is engineered for SIL 3 safety environments, utilizing a 1oo2D internal diagnostic structure to ensure that all processing tasks are validated in real-time before output commands are committed to the field.
Detailed Hardware Specifications
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Model Identification: F 8620/11
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Part Number: F-8620/11
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Microprocessor: Dual 32-bit RISC safety processors
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Clock Frequency: 50 MHz
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Memory Capacity: 1 MB Flash EPROM / 1 MB SRAM
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Logic Execution Time: 0.05 ms per 1K instructions
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Backplane Supply Voltage: 5.0 VDC ± 5%
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Current Consumption: 1.2 A at 5 VDC
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Communication Interface: Integrated system bus for I/O and peer-to-peer links
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Diagnostics Display: Front-facing alphanumeric LED status array
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Safety Integrity Level: SIL 3 (IEC 61508) / AK 6 (DIN V 19250)
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Heat Dissipation: Max 6.0 W
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Operating Temperature: 0 to +60°C
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Storage Temperature: -40 to +85°C
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Physical Weight: 0.5 kg (1.10 lbs)
System Integration and Safety Logic
The F8620/11 handles the central arbitration of all safety data. It operates by cyclically scanning inputs, executing the user-defined logic, and updating outputs via the HIMA system bus. To ensure maximum reliability, the module performs continuous self-tests on its ALUs, registers, and memory sectors. In high-availability configurations, two F 8620/11 modules are utilized in parallel, allowing the system to tolerate a single hardware failure without tripping the process, provided the redundant partner is healthy.
Technical FAQ
What is the maximum program size supported by the F 8620/11?The module supports user programs up to 1 MB in size, which is sufficient for large-scale ESD or BMS applications involving several hundred I/O points.
How does the F 8620/11 handle memory errors?The CPU utilizes Error Correction Code (ECC) and parity checks. If a non-recoverable memory fault is detected, the F-8620/11 triggers a fail-safe shutdown of the CPU to prevent erratic logic execution.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
Tech & Buying Guide
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