High-Performance Ethernet Connectivity for ControlLogix Systems
The 1756-EN2TR delivers advanced industrial networking for Allen-Bradley ControlLogix platforms. This dual-port EtherNet/IP module enables seamless integration across your automation architecture. It provides robust communication for real-time control and data exchange in demanding environments.
Network Specifications & Communication Features
- EtherNet/IP Speed: 10/100 Mbps auto-negotiating dual RJ45 ports
- Connection Capacity: 256 CIP connections and 128 TCP/IP sessions
- Motion Support: Controls up to 8 axes simultaneously over Ethernet
- Network Topologies: Supports ring, star, and linear configurations
- Redundancy Protocols: Device Level Ring and Parallel Redundancy support
- USB Port: USB 1.1 for local configuration and maintenance access
- Cable Requirements: Category 5 or 6 twisted-pair Ethernet cables
- IP Configuration: BOOTP/DHCP tool for initial network setup
Electrical Specifications & Power Requirements
- Backplane Current: 1A at 5.1V DC and 3mA at 24V DC operation
- Power Consumption: 5.1 watts maximum during normal operation
- Thermal Dissipation: 21.28 BTU per hour heat output
- Current Rating: 1.2 amps total module power draw
- Insulation Voltage: 30 volts continuous isolation rating
- Slot Requirement: Single slot installation in any chassis position
- Enclosure Type: Open-style for protective cabinet installation
Compatibility & Integration Capabilities
- Controller Support: ControlLogix, CompactLogix, and legacy PLC systems
- I/O Systems: Flex IO, POINT IO with redundant Ethernet adapters
- Third-Party Integration: HMI, SCADA, and gateway device connectivity
- Safety Protocols: CIP Safety for simultaneous standard and safety data
- Time Synchronization: Precision timing for coordinated system operation
- Programming Access: Direct computer connection without extra adapters
- Electronic Keying: Module replacement protection and configuration safety
Environmental & Physical Specifications
- Operating Temperature: 0°C to +60°C (32°F to 140°F) range
- Storage Temperature: -40°C to +85°C for non-operating conditions
- Relative Humidity: 5% to 95% non-condensing operation
- Vibration Resistance: 2.0G from 10-500 Hz frequency range
- Shock Rating: 30G operational shock withstand capability
- Dimensions: Standard single-slot ControlLogix module size
- Weight: Typical module weight for easy installation
Packaging & Shipping Information
- Package Contents: One 1756-EN2TR EtherNet/IP communication module
- Shipping Methods: Worldwide delivery via FedEx, UPS, and DHL
- Quality Commitment: 12-month comprehensive warranty coverage
Expert Technical Questions Answered
- What network redundancy features does this module support?
- It supports Device Level Ring and Parallel Redundancy Protocol for fault-tolerant networks.
- How many devices can communicate simultaneously with this module?
- The module handles 256 CIP connections and 128 TCP/IP sessions concurrently.
- Can I use this for safety system communication?
- Yes, it supports CIP Safety for transmitting both standard and safety data simultaneously.
- What is the purpose of the USB port on the module?
- The USB 1.1 port provides local access for configuration and maintenance tasks.
- Does this module require special network configuration tools?
- Initial IP setup uses the standard Allen-Bradley BOOTP/DHCP utility tool.
Technical Resources & Compatible Products
- Download the complete technical specification manual here: Download ControlLogix Manual
- Pair with compatible power supplies like the 1756-PB50
- For higher power needs, consider the 1756-PB72K
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