9440-15-01-11
9440-15-01-11
9440-15-01-11
9440-15-01-11
9440-15-01-11
9440-15-01-11
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  • Lifecycle status

    Discontinued / Obsolete by OEM
    Apter Power supplies top-grade R. Stahl 9440/15-01-11 replacement hardware, offering industrial facilities a trusted source for critical automation components to maintain continuous and efficient plant operations.

9440/15-01-11

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The STAHL 9440/15-01-11 is an advanced CPU and Power Module engineered for IS1+ Remote I/O systems, providing reliable intrinsic safety power and robust PROFIBUS DP/Modbus communication in Zone 2 hazardous areas.
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Technical specifications for 9440/15-01-11

  • Manufacturer:
    STAHL
  • Part Number:
    9440/15-01-11
  • Product Family:
    STAHL
  • Product Type:
    CPU & Power Module
  • Stock:
    1
  • Nominal Input Voltage:
    24 V DC (Operating Range: 20 V ... 35 V DC)
  • Maximum Input Current (Iin):
    5.2 A
  • Maximum Voltage (Umax):
    250 V
  • Data/Communication Interfaces:
    RS-485 (Connectors X1, X2 for Fieldbus; X3 for ServiceBus)
  • Nonincendive Entity Parameters:
    Voc = 13.2 V, Isc = 110 mA, Ci = 0.12μF, Li = 0 mH
  • Operating Temperature Range:
    -20℃... +65℃ (dependent on system configuration)
  • Storage Temperature Range:
    -40℃...+70℃
  • Degree of Protection:
    IP30 (Housing), IP20 (Terminal connections)
  • Hazardous Area Approvals:
    ATEX, IECEx, FM (Class I, Div 2 / Zone 2)
  • Weight:
    0.2 kg
  • Estimated shipping dimensions:
    9.5x12.8x6.5cm
  • Tariff Code:
    8538900000
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen, Fujian, China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Specifications Applications Environmental Ratings Monitoring & Control

Features:

  • Intrinsically Safe Power Distribution
  • Flexible Dual-Protocol Communication & Redundancy
  • Advanced Asset Management & Comprehensive Diagnostics
The STAHL 9440/15-01-11 efficiently supplies and distributes reliable power to a maximum of 16 IS1+ I/O modules via the internal BusRail. It generates strictly limited intrinsically safe field circuits, allowing direct connection to field devices located in Zone 1 or Zone 2 hazardous areas without requiring cumbersome external barriers.

Equipped with high-speed RS-485 interfaces, the STAHL 9440/15-01-11 seamlessly supports PROFIBUS DP (V0/V1 with HART) or Modbus RTU communication protocols. Its native architecture fully supports system-level controller redundancy and optical communication ring topologies, ensuring zero downtime and high data availability in mission-critical process loops.

Integrating effortlessly into modern plant asset management systems via ServiceBus and FDT/DTM protocols, the STAHL 9440/15-01-11 delivers deep diagnostic visibility. Engineers can continuously monitor module health, communication quality, and internal error states remotely, significantly reducing mean time to repair (MTTR) and operational overhead.

The 9440/15-01-11 STAHL CPU & Power Module may still be available for purchase and support from Apter Power beyond End-Of-Life (EOL) by the manufacturer (OEM).
STAHL 9440/15-01-11 CPU & Power Module Manuals,Datasheets,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. All prices are shown in USD.
STAHL 9440/15-01-11 CPU & Power Module

General

  • Manufacturer STAHL
  • Model 9440/15-01-11
  • Condition New Original ready stock
  • Product Family 9182/20-51-11,9470/32-16-11
Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.
  • Process Automation Hubs: Acts as the central processor and power distributor for modular IS1+ Remote I/O stations in large-scale continuous chemical and petrochemical plants.
  • Hazardous Area Data Acquisition: Deployed directly in Zone 2 / Division 2 environments to aggregate signals from field instruments residing in explosive Zone 1 areas.
  • High-Availability Redundant Networks: Integrated into redundant PROFIBUS DP architectures within oil and gas production facilities to eliminate single points of communication failure.
  • Marine & Offshore Skids: Utilized in shipboard automation, floating production storage and offloading (FPSO) modules, and offshore drilling skid control panels requiring marine-certified components.
  • Explosive Atmosphere Suitability: Certified for Zone 2, Zone 21, and Zone 22 gas/dust hazardous areas with type of protection Ex ec [ia, ib Gb] IIC T4 Gc.
  • Thermal Endurance: Engineered to operate reliably under harsh industrial ambient temperatures ranging from -20℃ up to +65℃.
  • Ingress Protection (IP): Features an IP30 rated robust enclosure housing alongside IP20 protected terminal block connections.
  • Electrical Isolation Withstand: Built to handle high insulation voltage ratings up to Umax = 250 V against transient industrial grid surges.
  • Real-Time Bus Diagnostics: Continuously monitors PROFIBUS/Modbus packet integrity, frame errors, and network traffic status to preempt communication degradation.
  • Power Supply Health Tracking: Actively tracks internal voltage levels and total current consumption across the 24 V DC input and BusRail outputs to prevent overload trips.
  • FDT/DTM Asset Integration: Communicates diagnostic parameters transparently through the ServiceBus, enabling asset management systems to track device wear and operational metrics.
  • Redundancy State Supervision: Supervises primary and secondary CPM synchronization status in redundant setups to guarantee seamless bumpless switchover during faults.
Description
Designed specifically for harsh and explosive industrial environments, the STAHL 9440/15-01-11 functions as the core intelligence and power distribution hub for up to 16 IS1+ I/O modules. It ensures seamless data acquisition and process control while maintaining stringent hazardous area protection standards. By combining processing power and intrinsically safe power supplies into a single compact unit, it minimizes cabinet footprint and reduces overall system engineering complexity for process automation plants.

The unit features versatile fieldbus communication capabilities via RS-485 interfaces, predominantly supporting PROFIBUS DP V0/V1 with HART integration as well as Modbus RTU protocols. This guarantees high-speed, deterministic data exchange with upper-level distributed control systems (DCS) or programmable logic controllers (PLCs). Furthermore, it supports system redundancy configurations and optical communication rings, safeguarding critical continuous processes against unexpected single-point communication failures.

Plant asset management is greatly enhanced through built-in ServiceBus architecture and support for FDT/DTM technology. Maintenance engineers can perform real-time device diagnostics, parameterization, and health monitoring without interrupting the active control loops. Certified for global hazardous locations including ATEX, IECEx, and FM, the STAHL 9440/15-01-11 delivers uncompromising safety, high availability, and long-term reliability for oil and gas, chemical, and marine applications.
Alternative Names
9440-15-01-11 9440150111 944O/15-O1-11 9440/I5-0I-II 944O15O111 9182/20-51-11 9470/32-16-11
Technical notes
The STAHL 9440/15-01-11 requires an external 24 V DC (20 to 35 V DC) auxiliary power input and must not be plugged into or unplugged from the BusRail while energized unless the area is verified to be gas-free. Fieldbus and ServiceBus connections utilize standard 9-pin Sub-D sockets adhering strictly to RS-485 nonincendive entity parameters (Voc= 13.2 V, Isc = 110mA).
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
What communication protocols and firmware environments are natively supported by the STAHL 9440/15-01-11?
The STAHL 9440/15-01-11 natively supports PROFIBUS DP V0/V1 protocols with integrated HART transparent data transmission, as well as Modbus RTU variants, making it fully compatible with major DCS/PLC automation masters through standard GSD/EDD files.
How are the fieldbus and service bus lines physically wired to the STAHL 9440/15-01-11?
Physical connections are executed via standard 9-pin Sub-D receptacles designated as X1 and X2 for primary/redundant fieldbus lines and X3 dedicated to the ServiceBus, ensuring clean separation between process control data and maintenance channels.
What level of diagnostic depth does the STAHL 9440/15-01-11 provide for third-party control integration?
The STAHL 9440/15-01-11 provides extensive diagnostics covering internal module temperatures, supply voltage variations, communication error rates, and individual channel statuses, which are easily mapped via FDT/DTM-based asset management tools.
Can the STAHL 9440/15-01-11 be hot-swapped or plugged into the BusRail under live, energized conditions?
No, hot-swapping the STAHL 9440/15-01-11 directly onto an energized BusRail or disconnecting its non-IS power supply at terminal X5 is strictly prohibited unless the area has been officially declared gas-free or non-hazardous.
What international safety standards and explosion protection certifications does the STAHL 9440/15-01-11 hold?
The STAHL 9440/15-01-11 holds comprehensive global hazardous area certifications including ATEX, IECEx, and FM (cFM/US), complying fully with NEC Article 504/505 and Canadian Electrical Code standards.