Description

The Allen-Bradley 1794-CE3-D01 is a specialized backplane extension cable designed for the FLEX I/O 1794 platform. This assembly provides a reliable method to extend the internal FLEXbus communication path between terminal bases, allowing for flexible physical layouts within industrial control enclosures. It is ideal for applications where I/O modules must be distributed across multiple DIN rail rows or separated by physical obstacles while maintaining full bus integrity and deterministic performance.

Features

• Bus Extension: Enables the separation of a single FLEX I/O cluster into multiple rows, facilitating efficient use of cabinet space.
• Robust Connectivity: Features factory-molded connectors that ensure a secure, low-resistance interface with 1794 terminal bases.
• EMI Protection: Designed with high-integrity shielding to maintain signal quality and noise immunity in demanding industrial environments.
• Flexible Routing: The durable, flexible cable sheath allows for easy installation in tight spaces without compromising internal wire integrity.
• System Capacity: Supports the standard FLEX I/O configuration, maintaining continuity for up to 8 modules per adapter drop.

Applications

This cable assembly is commonly utilized in distributed control systems, including oil and gas processing skids, automated manufacturing lines, water treatment facilities, and power distribution substations where space-optimized I/O mounting is required.

Technical Specifications

Installation Guidelines

• Ensure the system power is disconnected before installing or removing the cable assembly to prevent electrical damage.
• Align the cable connectors carefully with the side profile of the 1794 terminal bases; ensure they are fully seated and locked into position.
• Route the cable away from high-voltage power lines and sources of significant electromagnetic interference (EMI) to maintain signal integrity.
• Avoid sharp bends or mechanical stress on the cable sheath during installation to prevent internal conductor fatigue.
• This component is an open-style device and must be housed within a suitable, dust-tight industrial enclosure.

FAQ

Q: Can this cable be used to extend the distance between the adapter and the first terminal base?
A: No, the 1794-CE3-D01 is designed to extend the bus between terminal bases within a cluster. It is not intended to extend the distance between the communication adapter and the first I/O module.

Q: Is this cable compatible with all 1794 terminal bases?
A: Yes, the 1794-CE3-D01 is compatible with standard Allen-Bradley FLEX I/O 1794 terminal base units.