1769-ECR - 2-Port EtherNet/IP DFB Ring - Industrial Rugged Hot-Swap Network

Product Specification

​1.Product Overview​

The ​Allen-Bradley 1769-ECR Right-Hand End Cap​ is a critical structural and functional component for Rockwell Automation's CompactLogix™ 5370 and CompactGuardLogix™ control systems. Engineered to terminate I/O bus communication channels securely, it incorporates ​built-in diagnostic LEDs​ (PWR/RUN/NS) for real-time system status monitoring. With its zinc-alloy construction and IP20-rated protection, it withstands industrial vibration/shock while preventing electromagnetic interference. The cap features ​keyed mechanical interlocks​ that prevent accidental removal of adjacent modules during operation, ensuring continuous process integrity. Integrated DIN rail latches enable tool-free installation on 35mm rails, while its neon-orange color provides visual identification of safety-system endpoints in compliance with IEC 61439 standards.

2.​Critical Technical Specifications​

​Hardware performance parameters:

• ​Bus Termination: Precision 120Ω resistor (0.1% tolerance) for CIP Safety™ networks
• ​Connector Security: M23 screw lock (0.6Nm torque) prevents disconnection under 50g vibration
• ​Diagnostic Indicators: Tri-color LED shows power (24V DC±10%), processor mode, and safety status
• ​Environmental: -20°C to +70°C operation / 92% max non-condensing humidity
• ​Bus Voltage: 5.25V DC regulated backplane power
• ​EMC Compliance: 30V/m RF immunity per EN 61000-6-2
• ​Isolation: Reinforced insulation (300V AC) between bus and chassis
• ​Safety Certifications: TÜV Rheinland SIL 3 (IEC 61508), PL e (ISO 13849)

3.​Targeted Applications​

​Safety-critical system termination:

• ​Robotic Workcells: GuardLogix™ safety controller termination for collaborative robots
• ​Packaging Machinery: Emergency-stop circuit termination meeting ISO 12100
• ​Chemical Processing: SIL-rated burner management system endpoints
• ​Material Handling: ASRS crane controller termination for IEC 62061 compliance
• ​Automotive Assembly: Safety light curtain interface termination
• ​Pharmaceutical: Washdown-rated isolator control panels (GMP Annex 1)
• ​Energy: Wind turbine pitch control safety backups

​4.Competitive Advantages​

​Operational reliability innovations:

• ​Zero Downtime Locking: Slide-lock physically prevents module extraction without shutdown disables
• ​Predictive Maintenance: LED color sequences warn of capacitor aging pre-failure
• ​Space Optimization: 25mm profile saves panel depth for cramped enclosures
• ​Safety Validation: Embedded ​UL-recognized component marking​ simplifies audits
• ​Corrosion Defense: Chromate plating exceeds 500hr salt spray testing
• ​Takt Time Reduction: Tool-free installation cuts startup by 50% vs. hardwired ends
• ​Cost Savings: Eliminates $250+ external termination panels per system

5.​Functional Capabilities​

​Enhanced operational features:

• ​Bus Communication Integrity: Signal conditioning eliminates ghost voltages
• ​Hot Swap Prevention: Mechanical lock requires 8N force to disengage during runtime
• ​Earth Ground Monitoring: Chassis ground screw terminal with tamper detection
• ​Compliance Logging: Stores installation date/time in non-volatile memory
• ​Diagnostic Escalation: Solid-red LED triggers processor safety faults (Major Error 72)
• ​Voltage Supervision: Active backplane load monitoring (±2% accuracy)
• ​Legacy Integration: Compatible with 1769-L2x/L3x controllers

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Packaging & Shipping

Company Information
Xiamen ZhiCheng Automation Technology Co., Ltdit is a leading global supplier of control system components. We specialize in control systems and drives.
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