1785-ENBT Allen Bradley

Description

Product Name: 1785-ENBT Allen Braley Output module

Product details:

The Allen-Bradley 1785-ENBT is an Ethernet/IP communication interface module specifically designed for the PLC-5 control system. While the PLC-5 series is now considered a legacy platform by Rockwell Automation, the 1785-ENBT remains a critical component for users looking to bridge older industrial systems with modern Ethernet networks.

1. Product Description

The 1785-ENBT serves as a high-speed communication bridge that plugs into a PLC-5 chassis. It allows the PLC-5 processor to communicate over an Ethernet/IP network, enabling seamless data exchange with newer Logix-based controllers (like ControlLogix), HMI systems, and enterprise software.

2. Technical Specifications

3. Key Advantages

• Modern Connectivity for Legacy Systems: It brings modern networking capabilities to aging hardware without requiring a full system replacement.
• High-Speed Data Transfer: Supports 100 Mbps full-duplex communication, which is significantly faster than older DH+ or Remote I/O protocols.
• Web Services: Features an internal web server that allows for basic module diagnostics and configuration via a standard web browser.
• Seamless Integration: Supports CIP (Common Industrial Protocol), allowing it to talk directly to PowerFlex drives, PanelView HMIs, and other Allen-Bradley Ethernet devices.
• Simplified Messaging: Facilitates MSG (Message) instructions between PLC-5 and ControlLogix controllers.

4. Application Areas

• Data Collection: Sending production data from a PLC-5 to an ERP or SCADA system.
• HMI Upgrades: Replacing old serial-based HMIs with modern Ethernet-based PanelView Plus terminals.
• Distributed Control: Linking multiple PLC-5 chassis over a plant-wide Ethernet backbone.
• Phased Migration: Used as a temporary bridge during the migration process from PLC-5 to ControlLogix.

5. Important Considerations & Precautions

Note: As of today, the 1785-ENBT is categorized as “End of Life” or “Legacy” by Rockwell Automation. Availability is primarily through refurbished stock or secondary markets.

• Backplane Power: Ensure your power supply has enough overhead, as the module draws a significant 1.0 A from the 5V backplane.
• Firmware Compatibility: Ensure the PLC-5 processor firmware is compatible with Ethernet messaging before installation.
• Network Security: Because the 1785-ENBT is an older module, it does not have the robust built-in cybersecurity features found in the modern Stratix or GuardLogix lines. Always use a managed switch or VPN for external access.
• Static Discharge: Always use an anti-static wrist strap when handling the module to prevent damage to the internal circuitry.

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Colour：new Warranty: 12 months
Lead Time：3-day working day Country of origin: Sweden
Price: Please contact us Product weight：0.515kg
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