HIMA K9203 996920302

Product Introduction:
The HIMA K9203 (Order No. 996920302) is a high-reliability safety controller designed for critical process safety applications. It executes safety logic for Emergency Shutdown (ESD), Burner Management (BMS), and other SIS functions. The unit supports Triple Modular Redundant (TMR) architecture in larger systems and is certified to SIL 3 / AK6 per IEC 61508.
Category:
Description
Technical Specifications:
  • Manufacturer:​ HIMA Paul Hildebrandt GmbH
  • Model / Order Number:​ K9203 / 996920302
  • Architecture:​ Single or TMR-capable safety processor (part of HIMA Planar / H51q family)
  • Processor:​ High-performance 32-bit embedded RISC/ARM-based or equivalent
  • Memory:​ Typically 1 MB Flash + 1 MB SRAM (expandable in some backplanes)
  • Safe I/O Capacity:​ Up to 128 I/O points (depending on rack configuration)
  • Safety Certification:​ SIL 3 per IEC 61508; EN ISO 13849-1PL e
  • Supply Voltage:​ 24 V DC (typical range 18–30 V DC)
  • Power Consumption:​ Approx. 5 W
  • Communication Interfaces:​ RS-232, RS-485, optional Ethernet (Modbus TCP / PROFINET via communications card)
  • Operating Temperature:​ -20 °C to +60 °C (some references cite -40 °C to +70 °C for extended versions)
  • Humidity:​ 10 %–95 % RH, non-condensing
  • Protection:​ IP20 (rack-mounted)
  • Dimensions (module):​ Standard HIMA Eurocard format for 19″ rack or proprietary backplane
Functional Features:
  • 1oo2 / 2oo3 voting logic programmable
  • Online modification of safety application (with password protection)
  • Extensive self-diagnostics and watchdog timers
  • Support for time-stamped event logging
  • Redundant power supply input capability
  • SOE (Sequence of Events) resolution down to 1 ms
Working Principle:
The CPU reads inputs from safety input modules, processes the user-defined safety function block diagram (compiled in ELOP / SILworX), performs voting/diagnostic checks, and drives outputs through safety output modules. A continuous watchdog and dual-processor cross-check prevent unsafe operation in case of internal fault.
Material & Structure:
  • Metal-reinforced PCB with conformal coating option
  • Gold-plated backplane connectors
  • Housing: flame-retardant UL94-V0 rated plastic
Installation & Notes:
  • Install in designated HIMA safety rack with proper earthing
  • Do not mix safe and non-safe I/O on same module
  • Firmware must match SILworX / ELOP engineering tool version
  • Periodic proof-test interval defined by risk analysis (typically 1–3 years)
Applications:​ ESD Level 1/2, BMS, Turbine Overspeed Protection, High-Speed Machine Safety in process industries.
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