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Allen-Bradley 1756-EN2T EtherNet/IP Communication Module
Manufacturer:Allen Bradley
Product Number:1756-EN2T
Product Type:EtherNet/IP Communication Module
Origin:USA
Dimensions:145 mm × 55 mm × 125 mm
Weight:0.45 kg
Views:163
Payment Methods:T/T, PayPal, Western Union
Condition:New & In Stock
Warranty:1 Year
Lead Time:1-3 Working Days
Certificate:COO
Courier partners:DHL, UPS, TNT, FedEx and EMS.
Business hours:7*24
Product Description
The Allen-Bradley 1756-EN2T is a dual-port EtherNet/IP communication module designed for the ControlLogix family. It provides reliable, high-speed network connectivity between controllers, HMIs, drives, and other industrial devices. With support for 64 simultaneous connections, deterministic I/O messaging, and dual RJ45 ports, this module is ideal for complex automation systems that require redundant communication paths, fast data exchange, and robust diagnostics.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Module Type | EtherNet/IP Communication Module | High-speed network interface for ControlLogix systems |
| Ports | 2 × RJ45 (10/100 Mbps) | Supports daisy-chain or ring network topologies |
| Protocols Supported | EtherNet/IP, TCP/IP, UDP, DHCP, DNS, SNMP | Industrial and enterprise network compatibility |
| Max Connections | 64 simultaneous connections | Handles multiple controllers, HMIs, and devices |
| I/O Data Capacity | 16,384 bytes | Input and output data for networked devices |
| Update Rate | 1 ms typical | Fast communication for real-time control |
| LED Indicators | STATUS, LINK/ACT, PORT1, PORT2 | Provides diagnostic and network status feedback |
| Power Supply | 5.1 V DC (from backplane) | Powered directly from ControlLogix chassis |
| Current Draw | 1.2 A typical | Power drawn from backplane under normal operation |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) | Suitable for industrial environments |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) | Storage or transport conditions |
| Relative Humidity | 5%–95% non-condensing | Industrial-grade humidity tolerance |
| Shock Resistance | 30 g operational | Complies with IEC 60068-2-27 |
| Vibration Resistance | 5–2000 Hz @ 1 g | Designed for industrial use |
| Dimensions (H × W × D) | 145 mm × 55 mm × 125 mm (5.7″ × 2.2″ × 4.9″) | Fits standard 1756 series chassis |
| Weight | 0.45 kg (0.99 lbs) | Lightweight for installation |
Applications
The 1756-EN2T module is used in industrial and manufacturing systems requiring reliable Ethernet connectivity:
-
Factory Automation – Connects ControlLogix controllers with HMIs, drives, and sensors.
-
Process Control – High-speed, deterministic communication for chemical, food, or pharmaceutical processes.
-
SCADA Systems – Integration with remote monitoring and data acquisition.
-
Distributed Control Networks – Supports multiple chassis and I/O modules over Ethernet/IP.
-
Motion Control Systems – Real-time coordination of drives and servo devices.
-
Enterprise Integration – Facilitates connection between plant floor and corporate networks.
Advantages
-
Dual-Port Flexibility: Supports daisy-chain, ring, or redundant network configurations.
-
High-Speed Communication: 10/100 Mbps ports with 1 ms update rates ensure deterministic control.
-
Large Connection Capacity: Up to 64 simultaneous connections for complex automation networks.
-
Comprehensive Diagnostics: LED indicators and software tools simplify troubleshooting.
-
Seamless ControlLogix Integration: Compatible with all standard ControlLogix CPUs and I/O modules.
-
Industrial Reliability: Designed for harsh environments with shock, vibration, and temperature tolerance.
-
Scalable Architecture: Easily expands to multiple modules for large networked systems.
-
Enterprise Connectivity: Supports TCP/IP, UDP, DHCP, DNS, and SNMP for broad integration
FAQs
-
Q: Can the EN2T module be used with older ControlLogix CPUs?
A: Yes, it supports all standard ControlLogix processors with compatible firmware.
-
Q: How many simultaneous connections can the module handle?
A: Up to 64 connections for EtherNet/IP messaging.
-
Q: Can it support ring network topology for redundancy?
A: Yes, the dual RJ45 ports allow ring or daisy-chain configurations.
-
Q: Is it possible to connect directly to an enterprise LAN?
A: Yes, it supports standard TCP/IP and EtherNet/IP protocols.
-
Q: What is the typical I/O update rate?
A: Approximately 1 ms per update cycle under normal load.
-
Q: Are the two Ethernet ports independent?
A: Yes, both can operate independently or in a ring configuration.
-
Q: How can I monitor the module’s network status?
A: Through LEDs on the module and Studio 5000 diagnostics.
-
Q: Can multiple EN2T modules be installed in the same chassis?
A: Yes, provided each occupies a free slot and network design supports it.
-
Q: Does the module support DHCP for IP addressing?
A: Yes, it can obtain IP addresses via DHCP.
-
Q: Can it withstand high-vibration environments?
A: Yes, it is rated for industrial shock and vibration compliance.
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Allen-Bradley 1756-EN2T EtherNet/IP Communication Module
Manufacturer:Allen Bradley
Product Number:1756-EN2T
Product Type:EtherNet/IP Communication Module
Origin:USA
Dimensions:145 mm × 55 mm × 125 mm
Weight:0.45 kg
Views:163
Payment Methods:T/T, PayPal, Western Union
Condition:New & In Stock
Warranty:1 Year
Lead Time:1-3 Working Days
Certificate:COO
Courier partners:DHL, UPS, TNT, FedEx and EMS.
Business hours:7*24
Product Description
The Allen-Bradley 1756-EN2T is a dual-port EtherNet/IP communication module designed for the ControlLogix family. It provides reliable, high-speed network connectivity between controllers, HMIs, drives, and other industrial devices. With support for 64 simultaneous connections, deterministic I/O messaging, and dual RJ45 ports, this module is ideal for complex automation systems that require redundant communication paths, fast data exchange, and robust diagnostics.
Technical Specifications
| Parameter | Specification | Description |
|---|---|---|
| Module Type | EtherNet/IP Communication Module | High-speed network interface for ControlLogix systems |
| Ports | 2 × RJ45 (10/100 Mbps) | Supports daisy-chain or ring network topologies |
| Protocols Supported | EtherNet/IP, TCP/IP, UDP, DHCP, DNS, SNMP | Industrial and enterprise network compatibility |
| Max Connections | 64 simultaneous connections | Handles multiple controllers, HMIs, and devices |
| I/O Data Capacity | 16,384 bytes | Input and output data for networked devices |
| Update Rate | 1 ms typical | Fast communication for real-time control |
| LED Indicators | STATUS, LINK/ACT, PORT1, PORT2 | Provides diagnostic and network status feedback |
| Power Supply | 5.1 V DC (from backplane) | Powered directly from ControlLogix chassis |
| Current Draw | 1.2 A typical | Power drawn from backplane under normal operation |
| Operating Temperature | 0°C to +60°C (32°F to 140°F) | Suitable for industrial environments |
| Storage Temperature | -40°C to +85°C (-40°F to 185°F) | Storage or transport conditions |
| Relative Humidity | 5%–95% non-condensing | Industrial-grade humidity tolerance |
| Shock Resistance | 30 g operational | Complies with IEC 60068-2-27 |
| Vibration Resistance | 5–2000 Hz @ 1 g | Designed for industrial use |
| Dimensions (H × W × D) | 145 mm × 55 mm × 125 mm (5.7″ × 2.2″ × 4.9″) | Fits standard 1756 series chassis |
| Weight | 0.45 kg (0.99 lbs) | Lightweight for installation |
Applications
The 1756-EN2T module is used in industrial and manufacturing systems requiring reliable Ethernet connectivity:
-
Factory Automation – Connects ControlLogix controllers with HMIs, drives, and sensors.
-
Process Control – High-speed, deterministic communication for chemical, food, or pharmaceutical processes.
-
SCADA Systems – Integration with remote monitoring and data acquisition.
-
Distributed Control Networks – Supports multiple chassis and I/O modules over Ethernet/IP.
-
Motion Control Systems – Real-time coordination of drives and servo devices.
-
Enterprise Integration – Facilitates connection between plant floor and corporate networks.
Advantages
-
Dual-Port Flexibility: Supports daisy-chain, ring, or redundant network configurations.
-
High-Speed Communication: 10/100 Mbps ports with 1 ms update rates ensure deterministic control.
-
Large Connection Capacity: Up to 64 simultaneous connections for complex automation networks.
-
Comprehensive Diagnostics: LED indicators and software tools simplify troubleshooting.
-
Seamless ControlLogix Integration: Compatible with all standard ControlLogix CPUs and I/O modules.
-
Industrial Reliability: Designed for harsh environments with shock, vibration, and temperature tolerance.
-
Scalable Architecture: Easily expands to multiple modules for large networked systems.
-
Enterprise Connectivity: Supports TCP/IP, UDP, DHCP, DNS, and SNMP for broad integration
FAQs
-
Q: Can the EN2T module be used with older ControlLogix CPUs?
A: Yes, it supports all standard ControlLogix processors with compatible firmware.
-
Q: How many simultaneous connections can the module handle?
A: Up to 64 connections for EtherNet/IP messaging.
-
Q: Can it support ring network topology for redundancy?
A: Yes, the dual RJ45 ports allow ring or daisy-chain configurations.
-
Q: Is it possible to connect directly to an enterprise LAN?
A: Yes, it supports standard TCP/IP and EtherNet/IP protocols.
-
Q: What is the typical I/O update rate?
A: Approximately 1 ms per update cycle under normal load.
-
Q: Are the two Ethernet ports independent?
A: Yes, both can operate independently or in a ring configuration.
-
Q: How can I monitor the module’s network status?
A: Through LEDs on the module and Studio 5000 diagnostics.
-
Q: Can multiple EN2T modules be installed in the same chassis?
A: Yes, provided each occupies a free slot and network design supports it.
-
Q: Does the module support DHCP for IP addressing?
A: Yes, it can obtain IP addresses via DHCP.
-
Q: Can it withstand high-vibration environments?
A: Yes, it is rated for industrial shock and vibration compliance.
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