Product Description
Model: 9470/32-16-11, R.STAHL IS1+ intrinsically safe remote I/O, 8-channel HART Analog Universal Module (AUMH). Each channel can be flexibly configured via software as analog input AI or analog output AO. HART protocol supported, with circuit diagnostics for wire break and short-circuit. Designed with Ex ia intrinsic safety, hot-swap capable in hazardous areas. It can directly connect instruments in Zone0/1/2 gas hazardous areas and Zone20/21/22 dust hazardous areas. It collects field instrument signals and transmits control outputs for IS1+ remote I/O bus system, critical I/O spare part for DCS in petrochemical hazardous locations.
Technical Specifications
- Brand: R.STAHL
- Model: 9470/32-16-11
- Product Type: IS1+ 8-channel HART Analog Universal Module (AUMH)
- Series: IS1+ Remote I/O System, 9468/32 Series
- Channel: 8 channels, software configurable AI / AO per channel
- Signal: 4~20mA, HART compatible
- Explosion Protection: Ex ia [ia Ga] IIC T4 Gb; [Ex ia Da] IIIC
- Hazardous Zones: Zone0/1/2 (gas), Zone20/21/22 (dust)
- Diagnostics: Wire break & short-circuit monitoring, fault report via bus
- Hot Swap: Support hot replacement in hazardous area
- Backplane Bus: IS1+ backplane bus
- Power Supply: Powered by IS1+ backplane
- Protection Class: IP20 (module, installed inside certified explosion-proof cabinet)
- Housing Material: Polyamide 6GF, UL94 V2 flame retardant
- Operating Temperature: -20℃ ~ +60℃
- Certifications: ATEX, IECEx, FM, NEPSI, EAC, marine approvals
- Mounting: DIN rail mounting inside explosion-proof enclosure
Application
Widely used in oil & gas, refinery, chemical, coal chemical, offshore platform and pharmaceutical hazardous environments. Connect to field HART pressure, level, temperature transmitters and intrinsically safe control valves, acquire 4-20mA analog signals and output control signals. Data is transmitted to DCS through IS1+ remote I/O system for remote monitoring and regulation of field instruments. Suitable for new explosion-proof projects, system expansion, legacy I/O spare replacement and offshore control system retrofit.
9468/32 Series Model List
9468/32-08-1 9468/32-08-10 9468/32-08-11 9468/32-04-1 (4-channel HART analog universal module) 9468/20-16-1 (16-channel DI digital input module) 9468/22-08-1 (8-channel DO digital output module)








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