Description
Product Name : 1784-T37AC Allen Braley Controller module
Product details:
The Allen-Bradley 1784-T37AC is a specialized communication cable used primarily within the Rockwell Automation ecosystem. It is designed to facilitate high-speed data transfer and communication between programming terminals (such as industrial laptops or desktop PCs) and Allen-Bradley programmable logic controllers (PLCs).
Specifically, this cable is often associated with connecting peripheral devices to Data Highway Plus (DH+) or Universal Remote I/O networks via PC-based interface cards.
Product Specifications (Parameters)
| Feature | Specification |
| Manufacturer | Rockwell Automation / Allen-Bradley |
| Model Number | 1784-T37AC |
| Connection Type | Multi-pin Serial/Specialty Connector to PLC Interface |
| Cable Length | Standard length (typically ~10 feet / 3 meters) |
| Protocol Support | Data Highway Plus (DH+), Remote I/O (RIO) |
| Compatibility | 1784-PCMK, 1784-PKTX, and 1784-U2DHP interfaces |
| Shielding | High-density industrial shielding for EMI/RFI protection |
Key Product Advantages
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Industrial Reliability: Built with high-quality materials to withstand the electrical noise and physical rigors of a factory floor environment.
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Seamless Integration: Designed specifically for Allen-Bradley hardware, ensuring “plug-and-play” compatibility with RSLogix software and PLC-5 or SLC 500 series controllers.
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High-Speed Data Integrity: Optimized to minimize signal loss and data corruption over the DH+ network.
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Secure Locking: Features rugged connectors that prevent accidental disconnection during critical programming or monitoring tasks.
Important Considerations & Precautions
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Static Sensitivity: As with all electronic communication equipment, ensure you are properly grounded before handling the cable to prevent Electrostatic Discharge (ESD) damage to the PLC ports.
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Correct Port Alignment: Never force the connectors. The pins are delicate; ensure the orientation is correct before applying pressure.
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Avoid Tight Bends: Do not exceed the minimum bend radius of the cable. Constant sharp bending can cause internal wire fatigue and intermittent communication failures.
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Power Down: It is best practice to ensure the programming terminal is not in a state of high-power surge when connecting to an active PLC network.
Product Applications
The 1784-T37AC is widely used in the following scenarios:
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PLC Programming & Troubleshooting: Connecting a laptop equipped with a PCMK card to a PLC-5 or SLC 500 for uploading/downloading logic or monitoring real-time tags.
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Network Diagnostics: Bridging a diagnostic tool to the DH+ network to analyze traffic or identify faulty nodes.
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SCADA/HMI Interface: Used in legacy systems to provide a physical data link between a PC-based HMI and the controller network.
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Legacy System Maintenance: Vital for maintaining older industrial installations that rely on Data Highway Plus communication before the transition to EtherNet/IP.
Advantages: Foxboro, OVATION, TRICONEX, Allen-Bradley, ABB, Motorola, Siemens Moore, Ge Fanuc, Woodward, Bently Nevada and other major import brands!
We have the same series of models in stock. If you don’t find the model you need, please contact us and we will provide you with an official quotation！
Colour：new Warranty: 12 months
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Price: Please contact us Product weight：0.515kg
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