801-CMC144-A Allen-Bradley

801-CMC144-A Allen-Bradley Interface Module

Product  Description：

Allen-Bradley Interface Modules, manufactured by Rockwell Automation, serve as essential interconnectivity and communication hardware within industrial automation systems, including ControlLogix, CompactLogix, Point I/O, and FLEX I/O platforms. These modules function as bridge devices, field-bus adapters, or physical wiring termination interfaces, enabling seamless data exchange between central processing units, remote input/output racks, and field devices.

By converting proprietary backplane communications into standard industrial protocols such as EtherNet/IP, ControlNet, DeviceNet, or PROFIBUS, interface modules allow distributed control architectures to operate efficiently over long distances. In addition to network communication adapters, passive interface modules simplify cabinet wiring by converting high-density multi-pin ribbon cables from controller cards into accessible, labeled screw-terminal or push-in connection blocks. This combination of physical terminal adaptation and intelligent protocol conversion reduces panel space requirements, streamlines system expansion, and lowers installation costs.

Product Parameters

• Module Types: Communication Interface Modules, Network Adapters, Fiber Optic Link Interface Modules, and Wiring/Terminal Interface Modules.

• Supported Protocols: EtherNet/IP, ControlNet, DeviceNet, DH+, RIO, Modbus RTU/TCP, and PROFIBUS DP.

• Communication Rates: 10/100/1000 Mbps for Ethernet interfaces; configurable baud rates up to 12 Mbps for serial/fieldbus interfaces.

• I/O Capacity: Supports up to 63 remote I/O modules per network adapter depending on the backplane architecture.

• Topology Compatibility: Star, Linear, and Device Level Ring (DLR) network topologies.

• Isolation Ratings: 500V AC to 2500V AC isolation between network ports, backplane logic, and power supply circuitry.

• Operating Voltage: 24V DC auxiliary power input or direct backplane bus power supply.

• Connection Types: RJ45, BNC, terminal block, D-subminiature, or fiber optic transceivers.

• Operating Temperature Range: -25°C to +70°C for extreme environment variants; 0°C to +60°C for standard industrial units.

• Mounting Options: DIN rail mounting, panel mounting, or direct chassis rack installation.

Product Advantages

• Modular and Scalable Design: Enables easy expansion of distributed I/O systems without requiring modifications to the main controller chassis layout.

• Network Redundancy Support: Supports Device Level Ring (DLR) and duplicate network paths, ensuring uninterrupted operational media redundancy in critical processes.

• Reduced Cabinet Wiring Time: Pre-wired cable interfaces replace individual point-to-point field wiring, reducing panel building labor and minimizing connection errors.

• Integrated System Diagnostics: Onboard LED indicators and software tags provide real-time visibility into network health, connection status, collision detection, and bus faults.

• Seamless Software Integration: Plug-and-play identification within Studio 5000 Logix Designer allows rapid hardware configuration, Electronic Data Sheet (EDS) file management, and online monitoring.

Important Precautions

• Strict Media and Distance Limits: Adhere strictly to the maximum cable lengths, trunk line rules, and tap-off lengths specified for the specific network protocol being used.

• Proper Cable Shielding and Grounding: Use shielded twisted-pair or fiber optic cables where appropriate, and ensure shielding is properly grounded to prevent electromagnetic interference from surrounding equipment.

• Verify Firmware Compatibility: Ensure the interface module firmware version is compatible with the main controller firmware and the Studio 5000 software revision.

• Avoid Hot-Plugging Non-RIUP Modules: Do not insert or remove interface modules or field terminal blocks under power unless the specific module explicitly supports Removal and Insertion Under Power (RIUP).

• Bus Termination Requirements: Ensure proper line termination resistors are installed at both physical ends of serial and fieldbus communication trunks to prevent signal reflection.

Product Applications

• Distributed I/O Control Systems: Connecting remote control cabinets and field I/O racks to centralized PLCs across large manufacturing facilities.

• Motion Control and VFD Networks: Linking multi-axis servo drives, variable frequency drives, and human-machine interfaces (HMIs) over high-speed EtherNet/IP links.

• Factory Network Bridging: Interfacing legacy communication networks (such as Data Highway Plus or Remote I/O) with modern industrial Ethernet networks during plant modernization projects.

• Assembly Line Machinery: Streamlining signal connections between main control panels and robot arm tools, valve manifolds, and operator station pushbuttons.

• Energy and Infrastructure Monitoring: Facilitating real-time data collection from distributed power meters, substations, and environmental monitoring equipment across remote sites.

The structure and details of the product：

Our services：

Shipping Port:  China

Payment: Bank of Chicago, Bank of Singapore

Express cooperation: fedex, DHL, UPS and your express account

Service: Professional Sales provides 24 hours /7 days online service

Warranty: one year

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JUSTWELL PTE. LTD

Our main products include DCS control system spare parts, PLC system spare parts, and robot system spare parts. Our advantageous brands include Allen Bradley, Bently Nevada, ABB, HIMA, Reliance, Bender, National Instruments, Emerson Ovation, Honeywell, Siemens, Allen Bradley, ICS Triplex, FOXBORO, Schneider, GE Fanuc, Motorola, HIMA, Prosoft, and other imported industrial components. Our main products serve a wide range of electronic, metallurgical, chemical, and power plants Industries such as steel mills, rubber, cement, machinery and equipment, and construction.