I. Basic Information

Model: F8652X (Material Number: 984865265)

Brand: HIMA (Germany)

Series: HIQuad H41q/H51q (SIS Safety System)

Type: Dual CPU locked-step redundant safety controller

Safety Level: IEC 61508 SIL3 (TÜV Certification), ISO 13849 PL e

Installation: 19" Rack, 8SU Width (Standard Type)

Status: In Service, F865x Series High-Performance CPU

II. Hardware Core Specifications

Processor: 2×Intel 386EX 32-bit RISC, 25MHz, dual CPU lockstep redundancy

Memory (per CPU):

System Flash: 1MB

User Program Flash: 1MB

Data SRAM: 1MB (for security logic)

Dimensions: 163mm × 80mm × 58mm (length × width × height)

Weight: Approximately 0.5kg

III. Electrical Parameters

Power Supply: 24VDC (18~30VDC), redundant power input

Power Consumption: Typical 5W, maximum ≤ 8W

Safety Watchdog: 24V output, 500mA, short circuit protection

IV. Communication Interfaces (Enhanced)

Serial Port: 2×RS485 (electrical isolation, supports Modbus RTU)

Ethernet: Single port 10/100Mbps (Modbus TCP/IP, HIMax protocol)

Backplane Bus: Special I/O bus, connects H41q/H51q series I/O modules

Expansion: Can be equipped with F8627X and other communication modules, supports fiber optic / redundant networking

V. Environment and Reliability

Operating Temperature: -20℃ ~ +60℃ (industrial wide temperature)

Storage Temperature: -40℃ ~ +85℃

Humidity: 5%~95%, no condensation

Protection Grade: IP20 (dust-proof, used in cabinet)

Redundancy: Dual CPU lockstep operation, automatic fault switching, no single point failure

Maintenance: Supports hot swapping, redundant system can be replaced online without interruption

VI. Core Functions (Position: High-performance model)

SIL3 Safety Control: Meets IEC 61508 SIL3, suitable for ESD, F&G, safety interlock.

Dual CPU Redundancy: Lockstep operation, real-time comparison, fault-safe shutdown, high reliability.

High I/O Capacity: Supports up to 2048 points of I/O, suitable for medium and large SIS projects.

Fast Response: Cycle time 10ms, meets the real-time requirements of high-speed safety logic.

Multi-protocol Communication: Ethernet + Serial Port, supports Modbus TCP/RTU, HIMax, easy integration with DCS/PLC.