Product Introduction
The Allen Bradley 1769-ECR CompactLogix Right End Cap/Terminator is an essential accessory for CompactLogix 1769 I/O systems, designed to terminate the right end of a Compact I/O module bank. Proper termination is critical to maintaining stable backplane communication between modules and ensuring signal integrity throughout the I/O rack.
The 1769-ECR provides a reliable electrical termination that prevents signal reflections, reduces communication errors, and ensures the Compact I/O backplane functions as intended. Its compact and durable design allows easy installation in control panels, making it suitable for dense or space-limited industrial environments.
This module is widely used in industrial automation, including machine control, process automation, and manufacturing systems, where robust communication and data integrity between the PLC and I/O modules are essential. Its low current draw and compatibility with all 1769 series modules make it a convenient and maintenance-free solution for system termination.
Product Specifications
| Parameter | Description |
|---|---|
| Manufacturer | Allen Bradley |
| Model | 1769-ECR |
| Product Type | Right End Cap / Terminator |
| Series | CompactLogix 1769 Compact I/O |
| Function | Terminates right side of I/O bank; ensures proper backplane communication |
| Compatibility | 1769 Compact I/O modules |
| Operating Temperature | 0–60 °C |
| Current | 5 mA @ 5.1 VDC |
| Mounting | DIN Rail |
| Material | Industrial-grade plastic with conductive termination elements |
| Dimensions | 118 × 18 × 85 mm |
| Weight | 0.05 kg |
Applications
• Compact I/O bus termination – Ensures stable communication across 1769 I/O module banks.
• Industrial control panels – Maintains signal integrity in compact or crowded I/O racks.
• Machine automation systems – Provides proper termination for PLC-connected I/O modules controlling machinery.
• Manufacturing automation lines – Supports accurate data exchange in production equipment.
• Process automation – Prevents communication errors in critical control loops.
• Distributed I/O configurations – Allows multiple I/O banks to be terminated correctly for expansion purposes.
Advantages
• Reliable backplane termination – Prevents signal reflections and communication errors on the right side of the I/O bank.
• Compact design – Fits easily into limited space within control panels.
• Seamless integration – Fully compatible with all 1769 Compact I/O modules.
• Industrial durability – Can operate in standard industrial temperatures with stable performance.
• Low current draw – Consumes only 5 mA at 5.1 VDC, reducing power impact on the system.
• Simple installation – Snap-on design enables quick mounting on DIN rails.
• System reliability enhancement – Helps maintain consistent communication and prevents bus errors.
Excellent PLC
