Description
Allen-Bradley 1747-DCM: Data Communications Module for Enhanced PLC Connectivity
If you’re working with Allen-Bradley PLC systems, the 1747-DCM module is a game-changer for simplifying data communication between your devices. One thing I appreciate is how it bridges older DH+ networks with modern Ethernet systems, making legacy integration smoother than ever.
Key Features
- DH+ to RS-232 Conversion: Seamlessly connects DH+ networks to serial devices like PCs or HMIs, which seems to be a frequent need in retrofit projects.
- Compact Design: Its small form factor allows easy installation in control cabinets where space is at a premium.
- Plug-and-Play Setup: From my experience, this feature saves hours during commissioning compared to more complex alternatives.
- LED Status Indicators: These provide quick diagnostics, helping troubleshoot communication issues without additional tools.
Technical Specifications
| Specification | Details |
|---|---|
| Brand/Model | Allen-Bradley 1747-DCM |
| HS Code | 85371090 |
| Power Requirements | 24V DC (via PLC backplane) |
| Dimensions & Weight | 3.5 x 2.75 x 2 inches, 0.7 lbs |
| Operating Temperature | 0°C to 60°C (32°F to 140°F) |
| Signal Input/Output Types | DH+, RS-232 |
| Communication Interfaces | Serial Port (DB9) |
| Installation Method | DIN Rail or Panel Mount |
Application Fields
The 1747-DCM module finds its place in industries that rely heavily on PLC automation, such as manufacturing plants, water treatment facilities, and packaging lines. You might notice that it’s particularly useful when integrating older equipment into newer SCADA systems, ensuring minimal downtime during upgrades.
Advantages & Value
For procurement teams, reliability and compatibility are top priorities—and the 1747-DCM delivers both. It appears that many clients choose this module because it reduces the need for costly custom solutions. Additionally, Rockwell Automation’s robust technical support ensures any challenges are resolved quickly, saving time and resources in the long run.
Installation & Maintenance
Installing the 1747-DCM typically involves mounting it on a DIN rail within a control cabinet. Ensure proper ventilation around the unit to prevent overheating, especially in high-temperature environments. Wiring should follow standard practices for industrial communications, and routine firmware updates can help maintain optimal performance. Cleaning the module periodically will also extend its lifespan.
Quality & Certifications
This product carries certifications including CE, UL, and RoHS compliance, ensuring safety and environmental responsibility. The manufacturer offers a one-year warranty, providing peace of mind for your investment.
Order Placement Process: We require a 50% advance payment for all orders, with full payment due before delivery. Delivery times range from one week for in-stock items to no more than one month for special orders. Express shipping via FedEx, UPS, or DHL is available upon request.
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