HIMA F8650E

  • Product Name:​ HIMA F8650E Safety System Central Processing Unit (CPU) Module
  • Product Introduction:​ The core processor for HIMA HIQuad (H51q) Safety Instrumented Systems. Executes user safety application program, performs 1oo2D / 2oo4D redundant processing, manages I/O communication, and logs Sequence of Events (SOE). Certified SIL 3 for ESD, HIPPS, F&G, burner management applications.
Category:
Description
  • Technical Specifications:
    • Architecture:​ Dual Intel 386EX 32-bit microprocessors @ 25 MHz, running in lock-step comparison (1oo2D within 2oo4D frame)
    • Memory:​ 1 MB Flash EPROM (firmware + user program) + 1 MB battery-backed SRAM per CPU
    • Onboard I/O:​ 16 DI (24 VDC), 8 DO (24 VDC relay/solid-state), 2 AI (4–20 mA) for local monitoring
    • Communication Ports:​ 2 × RS-485 (isolated, for I/O expansion or Modbus), optional SafeEthernet via piggyback module (F8627X), Profibus-DP slave/master via add-on
    • Battery:​ Onboard lithium cell for SRAM retention (> 5 years typical)
    • Supply Voltage:​ 24 VDC (18–30 VDC range, reverse polarity protected)
    • Power Consumption:​ typ. < 10 W
    • Safety Certification:​ SIL 3 per IEC 61508, AK 6 (DIN V 19250), TÜV certified; ATEX / IECEx available
    • Display:​ 4-digit alphanumeric LED + RUN / ERR / COM LEDs
    • Operating Temp.:​ -40 °C to +70 °C
    • Dimensions:​ approx. 100 × 80 × 40 mm (8 SU / 4 TE width)
  • Structure & Material:​ Metal-reinforced Eurocard with EMC shielding, gold-plated backplane connector, accessible battery holder on front.
  • Working Principle:​ Two CPUs execute identical safety logic in parallel; results are compared cycle-by-cycle. Any mismatch triggers a safe state and diagnostic alarm. The module scans connected I/O racks via the HIMA proprietary Fieldbus, processes SOE timestamps, and communicates with DCS/SCADA via gateway modules.
  • Installation & Notes:​ Install in CPU slot of H51q rack. Redundant pairs require two F8650E modules with synchronization cable. Replace battery during powered operation. Recommended replacement: F8650X for new projects. Backup user program before removal.
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