HIMA K9203A 996920360 – 16-Channel Fail-Safe DI Module for Oil & Gas ESD Applications
Description
The HIMA K9203A 996920360 is a 16-channel,SIL3-certified digital input(DI)module designed for the HIMA FSC®(Fail Safe Control)safety instrumented system platform.As a core component of high-integrity process protection,it provides fail-safe signal acquisition from field devices such as emergency pushbuttons,limit switches,and solenoid valves—ensuring reliable detection of hazardous conditions in demanding industrial environments.
Built on HIMA’s proven dual-channel,self-diagnosing architecture,the HIMA K9203A 996920360 delivers continuous line monitoring,wetted input capability,and seamless integration into redundant FSC controllers,making it indispensable for safety-critical applications where failure is not an option.
Application Scenarios
At a LNG export terminal in Qatar,a single undetected valve feedback fault once delayed a critical isolation sequence during a fire drill—triggering a full plant review.To eliminate such risks,engineers deployed HIMA K9203A 996920360 modules across all emergency shutdown(ESD)racks.The module’s built-in line monitoring immediately flagged a degraded cable during routine testing,preventing a potential“fail-dangerous”scenario.Since installation,the system has achieved 100%diagnostic coverage on all discrete safety inputs.In high-hazard industries,the HIMA K9203A 996920360 doesn’t just read signals—it guarantees their truth,every millisecond,under any condition.
Parameter
Main Parameters Value/Description
Product Model HIMA K9203A 996920360
Manufacturer HIMA Paul Hildebrandt GmbH+Co KG
Product Category Fail-Safe Digital Input(DI)Module for FSC Systems
Channels 16 isolated digital inputs
Input Type Wetted 24 VDC(module supplies voltage to field device)
Input Voltage Range 18–30 VDC(nominal 24 VDC)
Safety Integrity Level SIL3 per IEC 61508,SIL3 per IEC 61511,PL e per ISO 13849
Diagnostic Coverage>99%(including open-circuit,short-circuit,cross-wire detection)
Redundancy Support Fully compatible with H51q/H41q redundant FSC controllers
Communication Bus FSC ModuleBus(dual-redundant backplane)
Operating Temperature 0°C to+60°C(storage:-25°C to+70°C)
Certification TÜV,ATEX(for use in Zone 2),IECEx,FM,CSA,CE
Physical Dimensions Standard FSC module width(fits HIMA chassis without adapters)
Technical Principles and Innovative Values
Innovation Point 1:True Wetted Input with Active Line Monitoring
Unlike passive DI cards,the HIMA K9203A 996920360 actively sources 24 VDC to each field device and continuously measures loop current.This enables real-time detection of wire breaks,short circuits,or degraded contacts—critical for proving“valve closed”or“pump stopped”in safety logic.
Innovation Point 2:Dual-Channel Diverse Architecture
Each input channel is processed by two independent hardware paths with cross-comparison.Any discrepancy triggers a safe shutdown,ensuring no single-point failure can cause a dangerous output—a cornerstone of HIMA’s“fail-safe by design”philosophy.
Innovation Point 3:Seamless Integration with FSC Engineering Tools
The HIMA K9203A 996920360 auto-identifies in FSC Configurator software,enabling automatic channel labeling,diagnostic threshold setup,and test simulation—reducing engineering time by up to 40%.
Innovation Point 4:Proven in Extreme Environments
Deployed in offshore platforms,chemical reactors,and hydrogen plants,the HIMA K9203A 996920360 maintains integrity under vibration,humidity,and EMI—validated through decades of global operational data.
Application Cases and Industry Value
In a European ethylene cracker modernization project,the client mandated full compliance with IEC 61511 for all new safety loops.The engineering team selected HIMA K9203A 996920360 modules to interface with 200+emergency isolation valves and turbine trip signals.During factory acceptance testing(FAT),the built-in diagnostics identified three miswired dry contacts that would have passed conventional continuity checks.Post-commissioning,the plant achieved a PFDavg(Probability of Failure on Demand)of<1×10⁻⁴—well below SIL3 requirements.Maintenance crews now perform monthly partial stroke tests with confidence,knowing every input is continuously verified.
Similarly,a U.S.nuclear auxiliary feedwater system retrofitted its legacy relay-based logic with a HIMA FSC system featuring HIMA K9203A 996920360 modules.Regulatory auditors praised the module’s traceable diagnostics and TÜV-certified architecture,accelerating licensing approval by six months.
Related Product Combination Solutions
HIMA FSC H51q CPU(Redundant safety controller–primary host for K9203A 996920360)
HIMA K9204A 996920460(16-channel fail-safe digital output module–complementary DO card)
HIMA K9112A(Analog input module for pressure/temperature safety signals)
HIMA FSC Configurator Suite(Engineering software for configuration,simulation,and validation)
HIMA H41q Baseplate(Chassis supporting redundant I/O and power)
HIMA PS9201A(Redundant 24 VDC power supply for FSC racks)
HIMA KM9201A(Communication module for OPC UA or Modbus TCP safety data export)
ABB AC 800F/Siemens S7-400F(When interfacing FSC with non-HIMA DCS via certified gateways)
Together,these components form a complete,certifiable safety instrumented system(SIS)where the HIMA K9203A 996920360 ensures the highest fidelity in discrete signal acquisition.
Installation,Maintenance,and Full-Cycle Support
Installing the HIMA K9203A 996920360 requires mounting in a certified HIMA FSC chassis(e.g.,H41q or H51q)with proper grounding and shielded cabling.Field wiring must follow HIMA’s recommended practices:twisted-pair cables,single-point grounding,and separation from power conductors.The wetted input design simplifies field device connection—no external power supply needed at the sensor.
Maintenance is largely predictive:the FSC system logs all diagnostic events,allowing teams to replace suspect cables or switches before failure.The module supports online replacement in redundant systems with zero impact on safety availability.LED indicators show channel status,module health,and redundancy sync.
We supply only factory-new or HIMA-certified refurbished K9203A 996920360 units,each validated against original test protocols—including wetted loop simulation,diagnostic trigger verification,and thermal stress testing.Every unit includes a certificate of conformity and is backed by a 12-month warranty.Our certified HIMA engineers provide commissioning support,FAT assistance,and lifecycle management guidance.
Contact us for a customized solution—whether you’re designing a new SIL3 system or upgrading legacy safety logic,the HIMA K9203A 996920360 delivers the diagnostic depth,reliability,and regulatory confidence your safety-critical processes demand.
