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As a trusted supplier in industrial automation with over a decade of experience serving global markets, Rossonix Co., Limited is proud to offer the genuine Allen-Bradley 20-COMM-P Profibus Communication Adapter. This module is a critical component for integrating Allen-Bradley PLC-5 controllers into Profibus DP networks, a widely adopted standard in European and global automation systems. We understand the need for reliable, high-performance communication solutions that ensure seamless data exchange and system uptime in demanding industrial environments. Our commitment to quality, backed by ISO9001 certified processes, ensures you receive a product that meets the exacting standards of Rockwell Automation.
The 20-COMM-P adapter bridges the world of Allen-Bradley control with Profibus fieldbus networks, enabling your PLC-5 to communicate with a vast array of Profibus-compatible devices such as sensors, drives, and HMIs. This integration capability is essential for modernizing legacy systems or designing new installations that require interoperability between different vendor ecosystems.
Key Features & Technical Specifications:
Genuine Allen-Bradley Component: Provides assured compatibility, reliability, and performance as intended by the original manufacturer.
Profibus DP Protocol Support: Enables high-speed, deterministic data exchange between the PLC-5 controller and Profibus slave devices.
Seamless PLC-5 Integration: Designed specifically for the PLC-5 controller family, installing directly into the I/O chassis.
Configurable Operation: Can be configured as a Profibus DP Master or Slave, offering flexibility in network architecture design.
Comprehensive Diagnostics: Features LED status indicators for quick visual confirmation of module health, network activity, and communication status, facilitating faster troubleshooting.
Rugged Industrial Design: Built to withstand the electrical noise, vibration, and temperature variations typical of factory floors and process plants.
Detailed Technical Parameters:
| Parameter | Specification |
|---|---|
| Product Model | 20-COMM-P |
| Manufacturer | Allen-Bradley / Rockwell Automation |
| Compatible Controller | Allen-Bradley PLC-5 Series (e.g., PLC-5/11, PLC-5/20, PLC-5/40, PLC-5/60, PLC-5/80) |
| Communication Protocol | Profibus DP (Decentralized Peripherals) |
| Network Role | Configurable as Master or Slave |
| Data Transfer Rates | Supports standard Profibus DP baud rates (e.g., 9.6 kbps to 12 Mbps) |
| Physical Interface | 9-pin D-sub female connector (Profibus) |
| Power Requirements | Powered from the PLC-5 chassis backplane |
| Status Indicators | LEDs for Module OK, Network Active, Communication Status |
| Typical Applications | Automotive manufacturing, chemical processing, material handling, packaging lines |
Advantages and Customer Benefits:
Extended System Lifespan: Allows you to continue using reliable PLC-5 controllers while connecting to modern Profibus networks, protecting your investment.
Enhanced Interoperability: Unlocks communication with thousands of Profibus-certified devices from various manufacturers, increasing design flexibility.
Reduced Wiring Complexity: Profibus networks significantly reduce the amount of control wiring needed compared to traditional point-to-point connections, lowering installation time and cost.
Improved Data Accessibility: Facilitates the collection of detailed device data for monitoring, control, and predictive maintenance strategies.
Simplified Procurement: Sourcing this genuine module from a reputable supplier like Rossonix ensures you get a fully functional part without compatibility concerns.
With an annual export value ranging between US$5-10 Million and a presence in key markets across North America, Europe, Asia, and beyond, Rossonix has built a strong reputation for reliability and service in the industrial components sector. Our established operations since 2011, ISO9001 certification, and strategic shipping points from Shenzhen, Hong Kong, and Europe enable us to deliver the Allen-Bradley 20-COMM-P Profibus Adapter efficiently and reliably to your project location. Choosing this adapter means choosing a proven solution for robust and efficient plant-floor communication. Contact us today to discuss your requirements, check stock availability, or request technical support for integrating this module into your automation system.
Frequently Asked Questions (FAQ)
Q1: Is the 20-COMM-P adapter compatible with all PLC-5 models?
A: The 20-COMM-P is designed for the PLC-5 family of controllers. It is compatible with standard PLC-5 models like the PLC-5/11, /20, /40, /60, and /80. It is always recommended to verify compatibility with your specific PLC-5 processor model and firmware revision.
Q2: Can this module function as both a Profibus Master and Slave?
A: Yes, the 20-COMM-P is configurable to operate in either Master or Slave mode on the Profibus DP network. The configuration is typically done through the PLC-5 programming software (such as RSLogix 5).
Q3: What software is needed to configure the 20-COMM-P module?
A: Configuration is performed using Rockwell Automation's programming software for the PLC-5 platform, primarily RSLogix 5. You will need the appropriate configuration files (EDS or GSD) for the Profibus devices you intend to connect.
Q4: What is the maximum cable length supported for the Profibus network using this adapter?
A: The maximum cable length depends on the selected Profibus baud rate. Higher speeds support shorter distances. Refer to Profibus International guidelines for specific details, but typical ranges are up to 1000 meters at lower baud rates with repeaters.
Q5: Does this adapter require any external power supply?
A: No, the 20-COMM-P draws its operating power directly from the PLC-5 chassis's backplane, so no separate power wiring is needed for the module itself.
Q6: Are status LEDs present on the module for troubleshooting?
A: Yes, the module features LED indicators that provide visual feedback on module status, network activity, and communication health, which are invaluable for quick diagnostics.
Q7: Can I connect multiple Profibus devices to one 20-COMM-P module?
A: Yes, as a Profibus DP Master, a single 20-COMM-P module can communicate with multiple slave devices (sensors, drives, I/O blocks) on the same network segment, subject to the total number of devices and data size limits defined in the Profibus standard.
Q8: Is technical documentation available for this product?
A: Comprehensive technical manuals, user guides, and configuration instructions are available from Rockwell Automation. As a supplier, we can assist in directing you to the relevant official documentation resources.
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