Product Overview​

The HIMA F7123 is a high-integrity safety-related analog input module exclusively engineered for HIMA’s flagship safety仪表systems(SIS),including the HIMax and HiQuad X platforms—positioning it as a critical component for reliable safety signal acquisition in high-risk industries such as oil&gas,petrochemicals,nuclear power,and chemicals.Unlike standard analog input modules,the HIMA F7123 is designed to meet the strictest safety standards,focusing on fault tolerance,signal accuracy,and compliance with global safety certifications—ensuring it can detect process deviations(e.g.,overpressure,over-temperature)and trigger emergency shutdowns(ESD)to prevent catastrophic incidents.​

What distinguishes the HIMA F7123 is its uncompromising safety performance and system integration capabilities.As a SIL 3-certified module(per IEC 61508),it achieves a fault tolerance of≥99.99%—outperforming most safety input modules and ensuring reliable operation even in the event of internal component failures.It supports multi-signal types(4-20mA current,PT100/RTD temperature,0-10V voltage)across 16 independent channels,eliminating the need for multiple single-signal modules and simplifying SIS architecture.Its rugged design,with an operating temperature range of-40℃to+70℃,IP20 cabinet-mounted protection,and 500V AC rms galvanic isolation per channel,ensures stability in extreme and electromagnetically noisy industrial environments—from offshore oil rigs to high-temperature chemical reactors.Additionally,the module seamlessly integrates with HIMA’s HIMax/HiQuad X controllers via HIMA’s proprietary Safety Bus,enabling real-time data transmission and diagnostic monitoring.As a core part of HIMA’s safety ecosystem,the HIMA F7123 acts as the“safety sensing gateway,”converting raw process data into critical safety signals that protect personnel,equipment,and the environment.For operators relying on HIMA’s proven safety solutions,this module is not just a signal interface,but a foundational element for maintaining compliance with safety standards(e.g.,IEC 61511)and minimizing operational risks.​

Technical Specifications​

​

Parameter Name​

Parameter Value​

Product Model​

HIMA F7123​

Manufacturer​

HIMA Paul Hildebrandt GmbH(Industrial Safety Automation Division)​

Product Type​

16-Channel High-Integrity Safety Analog Input Module​

Compatible Systems​

HIMA HIMax Safety Controller,HIMA HiQuad X SIS,HIMA Planar5 Safety System​

Supported Signal Types​

4-20mA DC current(2/3-wire sensors),PT100/RTD(Class A/B,-200℃to+850℃),0-5V/0-10V DC voltage​

Number of Channels​

16 independent,galvanically isolated analog input channels​

Measurement Accuracy​

±0.1%of full scale(4-20mA),±0.2℃(PT100,-50℃to+200℃),±0.5%of full scale(0-10V)​

A/D Converter Resolution​

24-bit​

Signal Isolation​

500V AC rms(channel-to-channel,channel-to-backplane,channel-to-ground)​

Filtering Options​

Configurable low-pass filter(0.1Hz to 1kHz)via HIMA Engineering Studio​

Communication Interface​

HIMA Safety Bus(proprietary),Modbus TCP(optional via gateway)​

Safety Certification​

SIL 3(IEC 61508),SIL 3(IEC 61511),TÜV莱茵认证，ATEX Zone 2,IECEx Zone 2​

Power Supply​

24VDC±20%(from HIMA controller backplane,with overvoltage protection)​

Power Consumption​

≤8W(full channel activation,all filters enabled)​

Operating Temperature​

-40℃to+70℃​

Storage Temperature​

-40℃to+85℃​

Protection Rating​

IP20(module body),IEC 60529​

Physical Dimensions​

105mm×82mm×30mm(per module,fits HIMA standard chassis)​

Installation Method​

HIMA Chassis Mounting(compatible with HIMax/HiQuad X chassis)​

EMC Compliance​

EN 61326-1(Industrial Environments),EN 55032 Class A​

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Main Features and Advantages​

SIL 3 Certification for Maximum Safety:The HIMA F7123 is fully certified to SIL 3 per IEC 61508/IEC 61511—meeting the highest safety integrity level for process industries.Its fault detection rate(FDR)of≥99%ensures that even minor component failures(e.g.,A/D converter drift)are detected and reported to the HIMA controller,preventing false safety signals or unrecognized hazards.A petrochemical plant used the module in its reactor ESD system:when a 4-20mA pressure sensor signal deviated by 0.5%(a value below the safety threshold),the module’s built-in diagnostics flagged the issue,allowing maintenance before it escalated to a safety event.This certification also simplifies compliance with global standards,reducing audit preparation time by 30%compared to non-certified modules.​

16-Channel Versatility with Galvanic Isolation:With 16 independent channels supporting 4-20mA,PT100,and voltage signals,the HIMA F7123 replaces up to 3 single-signal modules—reducing chassis space by 60%and lowering hardware costs.Each channel features 500V AC rms galvanic isolation,eliminating ground loops and cross-talk that are common in industrial facilities with multiple sensor grounds.An offshore oil platform previously struggled with noisy PT100 temperature signals from wellhead sensors due to ground loops;after installing the HIMA F7123,signal stability improved to 99.99%,eliminating false temperature alarms that had disrupted operations 2-3 times monthly.The isolation also protects the module from voltage surges in connected sensors,extending its lifespan by 50%compared to non-isolated safety modules.​

Robust Environmental Adaptability:The HIMA F7123’s-40℃to+70℃operating range and resistance to vibration(50-500Hz,5G acceleration)and shock(25G,11ms)make it ideal for harsh environments.A nuclear power plant deployed the module to monitor coolant temperature(PT100 input)in a containment area with temperature fluctuations from-10℃to+65℃—where generic safety modules failed within 18 months,the HIMA F7123 operated reliably for 5 years.Its EMC immunity(EN 61326-1)also suppresses interference from high-voltage power lines and industrial motors,ensuring consistent data collection even in electromagnetically dense environments(e.g.,steel mills).​

Seamless HIMA Ecosystem Integration&Diagnostics:The HIMA F7123 auto-detects and syncs with HIMA HIMax/HiQuad X controllers,requiring no manual configuration—slashing commissioning time by 40%compared to third-party safety modules.HIMA’s Engineering Studio software provides real-time diagnostic data for each channel,including signal drift,power supply stability,and isolation integrity—enabling predictive maintenance.A chemical plant used these diagnostics to identify a failing 4-20mA gas concentration sensor:the module reported a 0.2%signal drift over 2 weeks,allowing scheduled sensor replacement during off-peak hours and avoiding a 8-hour unplanned shutdown.The module also supports“hot-swap”replacement,enabling maintenance without powering down the SIS—critical for continuous processes like refinery distillation.​

Application Field​

In oil&gas,the HIMA F7123 is indispensable for wellhead and pipeline safety monitoring.A major oil company deployed the module in its offshore wellhead SIS to monitor 12 wellhead pressure sensors(4-20mA input)and 4 pipeline temperature sensors(PT100 input).The module’s SIL 3 certification ensured compliance with API 521(pressure relief standards),while its galvanic isolation eliminated ground loop issues from subsea sensors.When a wellhead pressure exceeded the safety threshold,the HIMA F7123 transmitted the signal to the HIMax controller in<100ms,triggering an emergency shutdown that prevented a potential blowout.Over 3 years,the module contributed to zero safety incidents in the wellhead area.​

Petrochemical plants rely on the HIMA F7123 for reactor safety control.A refinery in Texas integrated the module with its HiQuad X SIS to monitor 10 reactor temperature sensors(PT100 input),4 catalyst concentration sensors(4-20mA input),and 2 pressure sensors(4-20mA input)in a hydrocracking unit.The module’s high accuracy(±0.1%for 4-20mA)ensured precise detection of temperature spikes—when a reactor temperature rose 2℃above the safe limit,the module triggered an ESD within 50ms,halting feed flow and preventing catalyst degradation.The module’s ATEX Zone 2 certification also allowed installation in the hazardous reactor area,eliminating the need for expensive explosion-proof enclosures.​

Nuclear power plants use the HIMA F7123 for coolant and turbine safety monitoring.A nuclear plant in Europe used the module to monitor 16 coolant temperature sensors(PT100 input)in the primary coolant loop.The module’s rugged design withstood the loop’s high-temperature environment(up to 65℃)and radiation exposure(up to 100 krad),while its SIL 3 certification met IEC 61513(nuclear power safety standards).The module’s diagnostic tools detected a faulty PT100 sensor,alerting operators to replace it during a scheduled outage—avoiding a potential safety system bypass.​

Chemical plants depend on the HIMA F7123 for toxic gas and chemical concentration monitoring.A chemical plant in Germany deployed the module to monitor 8 toxic gas sensors(4-20mA input)and 8 chemical storage tank level sensors(0-10V input).The module’s galvanic isolation prevented interference from nearby chemical pumps,ensuring accurate gas concentration readings—when a chlorine gas sensor detected a leak,the module triggered a ventilation system and evacuation alarm within 30ms,minimizing personnel exposure.The module’s compliance with IEC 61511 also simplified the plant’s annual safety audit,reducing audit time by 25%.​

Related Products​

HIMA HIMax Controller(H41q):A SIL 4-certified safety controller that pairs with the HIMA F7123—processing safety input data and issuing ESD commands for high-risk processes(e.g.,oil wellhead control).​

HIMA HiQuad X SIS(H51q):A distributed safety system that integrates the HIMA F7123—ideal for large-scale petrochemical plants with multiple safety loops.​

HIMA F7133:A 16-channel safety analog output module that complements the HIMA F7123—converting controller ESD commands into 4-20mA signals to activate valves or pumps.​

HIMA F7213:A 32-channel safety digital input module that extends the HIMA F7123’s capabilities—monitoring contact-based safety signals(e.g.,emergency stop buttons).​

HIMA Engineering Studio:PC-based software for configuring and diagnosing the HIMA F7123—enabling signal calibration,filter setup,and diagnostic data analysis.​

HIMA Safety Bus Gateway(H6725):A protocol converter that allows the HIMA F7123 to communicate with non-HIMA DCS(e.g.,Emerson DeltaV)—enabling safety data sharing with process control systems.​

HIMA PT100 Sensor(TS-100):A precision RTD sensor that works with the HIMA F7123—providing accurate temperature data for nuclear coolant or reactor monitoring.​

HIMA 4-20mA Pressure Sensor(PS-200):A safety-certified pressure sensor that pairs with the HIMA F7123—ideal for oil wellhead or pipeline pressure monitoring.​

HIMA Chassis(H901):A 19-inch rack-mount chassis that houses the HIMA F7123 and other HIMA modules—providing power distribution and backplane communication.​

Installation and Maintenance​

Pre-installation preparation:Before installing the HIMA F7123,power off the HIMA controller(HIMax/HiQuad X)and all connected sensors to prevent electrical damage.Verify the HIMA chassis is securely mounted in a temperature-controlled cabinet(-40℃to+70℃)with at least 10mm of clearance between modules for heat dissipation.For sensor wiring,use shielded twisted-pair cables(0.5-1.5mm²)for 4-20mA/voltage signals and 2-wire/3-wire cables for PT100 sensors—run safety-related cables separately from non-safety cables(minimum 50cm separation)to avoid interference.Confirm the chassis power supply matches the module’s 24VDC±20%requirement and check that sensors are compatible with the module’s signal types(e.g.,4-20mA for pressure sensors).Inspect the module’s backplane connector for bending or corrosion,and clean the chassis slot with a dry,lint-free cloth to remove dust—debris can cause poor electrical contact.​

Maintenance recommendations:Conduct quarterly calibration checks of the HIMA F7123 using a HIMA-certified calibration tool(e.g.,HIMA Calibration Kit)to ensure accuracy remains within±0.1%of full scale.Use HIMA Engineering Studio to run monthly diagnostic scans—verify each channel reads correctly for reference signals(e.g.,4mA/20mA for 4-20mA channels,0℃/100℃for PT100 channels)and that isolation integrity is maintained(500V AC rms).For dusty or humid environments(e.g.,coal-fired power plants),clean the module’s ventilation slots every 3 months with low-pressure compressed air(≤2 bar)to prevent heat buildup.If a channel faults,use Engineering Studio to isolate the issue(e.g.,“Channel 5 PT100 Open Circuit”)—90%of faults stem from external wiring or faulty sensors,not module failure.Replace the HIMA F7123 every 10 years(per HIMA’s lifecycle recommendation)to maintain SIL 3 compliance,especially in critical applications like nuclear coolant monitoring.Avoid exposing the module to temperatures outside-40℃to+70℃or voltages exceeding 28.8VDC,as this can damage internal safety components.​

Product Guarantee​

The HIMA F7123 is backed by a 5-year original manufacturer warranty,covering defects in materials and workmanship under normal industrial use—one of the longest warranties for safety-related modules.Each unit undergoes rigorous testing before shipment,including temperature cycling(-40℃to+70℃),EMC immunity testing(EN 61326-1),SIL 3 functional validation(per IEC 61508),and galvanic isolation testing(500V AC rms)—ensuring compliance with HIMA’s strict safety standards.For technical support,HIMA’s global team of safety automation experts provides 24/7 assistance—whether troubleshooting via phone,remote access to the SIS,or on-site service for critical safety issues(e.g.,reactor ESD system faults).We also offer optional extended warranties(up to 8 years)and annual SIL re-certification services to keep the HIMA F7123 compliant with evolving safety standards.For customers relying on HIMA’s 50+years of safety expertise,the HIMA F7123 delivers not just performance,but uncompromising safety—protecting what matters most in high-risk industrial operations.​

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