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The K1409 is a 5 HU standard 19-inch subrack for the HIMA Planar4 safety system used for the installation of safety-related modules. Operating as the physical and electrical backbone of solid-state logic control configurations this subrack complies with SIL 3 safety standards in accordance with IEC 61508. It provides a secure and vibration-proof platform for housing safety modules and power supplies and communication interfaces across process industries including oil and gas and petrochemicals and power generation.
Backplane fault loop enables continuous subrack status monitoring (fuses/modules) for central diagnostics
Chromated surfaces and metal bonding ensure inherent EMC shielding against high-frequency interference
Redundant 24 V DC inputs ensure uninterrupted power; 16 A rated bus lines minimize chassis voltage drops
The K1409 supports multi-chassis cascading and flexible layout configurations to accommodate evolving system expansions during cabinet integration. This subrack incorporates a hot-swappable, front-loading configuration for module replacement, reducing plant downtime without disrupting active wiring or adjacent loops. Certified under international standards like IEC 61511 and EN 50156, it combines mechanical ruggedness with a wear-free backplane to support industrial safety operations over a service life.
For harsh industrial climates, the subrack utilizes vertical convection to prevent localized heat pockets under full module termination. Its protective coating resists chemical corrosion and salt spray for use on offshore oil platforms, desert oilfields, and coastal chemical facilities. Furthermore, the backplane interfaces with modern digital diagnostic protocols to translate raw physical events—such as micro-voltage fluctuations or chassis temperature thresholds—into metrics for plant asset management networks.
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
HIMA K1409 5 HU Subrack Manuals, Datasheets, Drivers, Link
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description.
Oil & Gas Refining
Used as the primary system subrack for Emergency Shutdown systems in large crude distillation units of oil refineries housing dual redundant processors to execute safety interlock logic to prevent process overpressure.
Nuclear Power
Used as the core rack for Overspeed Protection Control systems of steam turbine generator sets in nuclear power plants utilizing TÜV SIL 3 safety certifications to secure safe shutdowns during sudden load rejections.
Coal-Fired Power Plants
Used in Furnace Safeguard Supervisory Systems for massive supercritical boilers to safely house high-density I/O cards to execute fuel cutoff and pulverized coal silo explosion-proof interlocks.
Iron & Steel Metallurgy
Used as the safety interlock protection framework for Blast Furnace Top Gas Recovery Turbine units and blower trains utilizing K 9212 fan cooling units for forced convective cooling within high-thermal steel plant environments.
Semiconductor Specialized Gas Monitoring
Used as the central bus rack for highly toxic or flammable gas leak Fire and Gas networks within wafer fab gas rooms to deliver standalone electrical isolation to prevent field noise from disturbing the primary CPU.
Water Hub Dam Safety & Flood Control
Used in the safety PLC subrack for emergency cluster control networks of massive water hub spillway gates maintaining a 10 cm clearance for embedded installation to secure the safety execution of flood-control trip commands.
During use, ensure the subrack is mounted horizontally in a vibration-free environment with at least 1 U of clear space above and below to maintain vertical convection cooling. Power must be verified within the 18...30 V DC range, with both redundant inputs active and properly earthed via the M6 grounding bolt to mitigate electrical noise.
All field wiring requires secure termination up to 2.5 mm², and module replacements must follow standard front-loading procedures without applying mechanical force to the backplane. Lastly, periodic checks on fuse status and dust accumulation are essential to preserve contact integrity in corrosive or high-humidity atmospheres.
Alternative Names
Alternative Names
KI409K14O9KI4O9
Technical notes
Technical notes
The HIMA K 1409 is a 5U 19-inch standard system subrack compliant with SIL 3 safety standards designed to house core processors and I/O modules of the HIQuad safety control system. It integrates a Z 1009 backplane bus to execute safety power distribution and noise-immune data transmission while typically pairing with four K 9212 fans for forced convective cooling. The subrack transmits real-time fuse and fan telemetry via a rear monitoring board and supports online hot-swapping to guarantee uninterrupted safety interlock operation.
The K 1409 is a 5U 19-inch standard system subrack for the HIMA HIQuad safety control system.
What is the main function of the K 1409?
It serves as a physical and electrical carrier to house safety central modules and power supplies and I/O cards while distributing power and transmitting data via the integrated Z 1009 backplane bus.
How to use system subrack products like the K 1409?
Secure it onto standard 19-inch industrial cabinet rack rails and insert processors like F 8652A alongside I/O modules into their corresponding front slots and connect a 24V DC safety power supply to the rear.
What is the core safety certification level of the K 1409?
Working alongside HIQuad hardware and firmware the control system assembled on this subrack is TÜV certified up to SIL 3 Safety Integrity Level 3.
What specification of backplane is standard or integrated in the K 1409?
It natively integrates the Z 1009 backplane bus wiring board to ensure high-speed and interference-free transmission of multiple safety signals across slots.
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