Advanced Ethernet/IP Connectivity for Modern ControlLogix Systems
The 1756-ENBT delivers robust industrial networking for Allen-Bradley ControlLogix platforms. This Ethernet/IP bridge module enables seamless data exchange across your automation architecture. It provides high-performance communication with enhanced diagnostic capabilities for reliable operation.
Network Specifications & Communication Performance
- EtherNet/IP Speed: 10/100 Mbps auto-negotiating with full/half duplex
- Connection Capacity: 128 CIP connections and 64 TCP/IP sessions
- Message Handling: 64+64 CIP unconnected messages capability
- Packet Rate: 500pps I/O and 900pps HMI/MSG throughput
- Multicast Support: 32 multicast tags for efficient data distribution
- Port Configuration: Single RJ45 and USB 1.1 configuration port
- Network Features: Socket services and SNMP with password protection
- Security: Duplicate IP detection starting from revision 3.3
Electrical Specifications & Power Management
- Current Consumption: 700 mA at 5.1V DC and 3 mA at 24V DC
- Power Dissipation: 3.7 watts maximum during normal operation
- Thermal Output: 12.6 BTU per hour heat dissipation
- Insulation Rating: 30 volts continuous isolation protection
- Slot Requirement: Single slot installation in any chassis position
- Enclosure Type: Open-style for protective cabinet installation
- Operating Voltage: Standard ControlLogix backplane power
System Integration & Compatibility
- Software Requirement: RSLogix 5000 version 16.03.00 or later
- Network Topology: Linear network configuration support
- Remote I/O: Functions as adapter in remote I/O chassis
- Protocol Support: Full Ethernet/IP industrial protocol
- Web Interface: Built-in web server for diagnostics and monitoring
- Backwards Compatibility: Works with existing ControlLogix systems
- Application: Processor interlocking and distributed I/O control
Diagnostic & Monitoring Capabilities
- Web Diagnostics: IP traffic, TCP/UDP statistics, connection management
- Network Monitoring: Collision histogram and storm detection
- System Information: Module revision, IP configuration, uptime tracking
- Boot Status: Comprehensive boot process monitoring and reporting
- Vendor Data: Complete module identification and code information
- Name Server: Integrated network name resolution services
- Real-time Data: Processor mode and network performance metrics
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
- Installation: Any slot in compatible ControlLogix chassis
Packaging & Shipping Information
- Package Contents: One 1756-ENBT Ethernet communication module
- Documentation: Includes basic installation and setup guidelines
- Shipping Methods: Global delivery via FedEx, UPS, and DHL
- Quality Assurance: 12-month comprehensive warranty coverage
Expert Technical Questions Answered
- What is the maximum number of I/O connections this module supports?
- The 1756-ENBT handles 128 CIP connections for I/O and information messaging.
- Can I access diagnostic information without programming software?
- Yes, the built-in web server provides comprehensive diagnostics through any browser.
- What software version do I need for unicast functionality?
- You need RSLogix 5000 version 16.03.00 or later for unicast communication features.
- Does this module support network redundancy features?
- No, it only supports linear topology; consider newer modules for ring redundancy.
- What is the purpose of the USB port on the module?
- The USB 1.1 port provides local configuration access and maintenance capabilities.
Technical Resources & Compatible Controllers
- Download the complete technical specification manual here: Download ControlLogix Manual
- Pair with high-performance controllers like the 1756-L71K
- For extreme environments, consider the 1756-L73XT
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