Overview
The Allen-Bradley 1769-ECL is a CompactLogix left end cap designed to terminate and protect the left side of a Compact I/O system. It ensures proper electrical termination of the backplane communication bus and maintains system integrity in modular PLC configurations.
General Information
Part Number: 1769-ECL
Brand: Allen-Bradley (Rockwell Automation)
Country of Origin: USA
Series: CompactLogix 1769 Series
Type: Left End Cap / Terminal Module
Installation: Mounted at the left end of 1769 CompactLogix I/O assembly
Function: Provides electrical termination and protection for I/O backplane
Application: CompactLogix system termination, modular PLC assembly protection
Power Specifications
Supply Method: Passive module (no external power required)
Input Voltage: Not applicable (termination device)
Power Consumption: None
Protection: Ensures stable backplane signal termination and system stability
Status Indication: No indicators or active electronics
Communication & Interface
Interface Type: CompactLogix backplane termination interface
Functionality: Terminates left-side I/O communication bus
Compatibility: 1769 Compact I/O system
Diagnostics: System-level detection via controller (no onboard diagnostics)
Role: Ensures correct electrical impedance and stable communication flow
Environmental
Operating Temperature: 0 to 60 °C
Storage Temperature: -40 to 85 °C
Relative Humidity: 5% to 95% non-condensing
Shock & Vibration: Industrial control cabinet installation
Protection Rating: Industrial-grade passive hardware component
Dimensions & Weight
Dimensions (L × W × H): 118 × 15 × 87 mm
Weight: 0.05 kg
System Stability Starts Here – Reliable Termination for Secure Performance!