China Rockwell Embedded Edge Compute Module CLX ENet/IP 100M PRP 1756-EN2TP Suppliers, Exporters

The 1756-EN2TP is an embedded EtherNet/IP communication module designed by Rockwell Automation for its ControlLogix (CLX) programmable automation controller (PAC) system, specializing in reliable 100Mbps network connectivity with Parallel Redundancy Protocol (PRP) support.

Product Description

The 1756-EN2TP is an embedded EtherNet/IP communication module designed by Rockwell Automation for its ControlLogix (CLX) programmable automation controller (PAC) system, specializing in reliable 100Mbps network connectivity with Parallel Redundancy Protocol (PRP) support. As a key component of the Allen-Bradley 1756 ControlLogix family, it enables seamless integration of PACs into industrial Ethernet networks, catering to mission-critical applications where downtime is unacceptable.
1. Core Identity & Compatibility

Brand & Series: Part of Rockwell Automation’s Allen-Bradley 1756 ControlLogix platform, a flagship line for large-scale industrial control systems.

Lifecycle Status: Typically listed as Active (current production) for ongoing industrial deployments.

System Compatibility: Designed to slot into ControlLogix chassis (e.g., 1756-A10, 1756-A13) and integrate with ControlLogix PACs (e.g., 1756-L8 series), leveraging the Logix control engine for unified programming and monitoring.

2. Key Technical Specifications

Network & Connectivity:

  • Communication Protocol: Native EtherNet/IP (Industrial Protocol based on IEEE 802.3), supporting standard industrial communication functions.
  • Data Rate: 100Mbps (Fast Ethernet), full-duplex or half-duplex operation.
  • Redundancy: Equipped with Parallel Redundancy Protocol (PRP)—a key feature that provides "zero-loss" network redundancy by maintaining two independent, parallel Ethernet connections. If one network path fails, traffic automatically shifts to the second path without interruption.
  • Ports: 2 x RJ45 Ethernet ports (for PRP dual-path connectivity).

Electrical & Environmental:

  • Power Supply: Derived from the ControlLogix chassis backplane, typically operating on 5V DC.
  • Operating Temperature: -40°C to 70°C (-40°F to 158°F), suitable for harsh industrial environments.
  • Protection Rating: Designed for panel mounting (chassis-integrated), with no standalone IP rating.
3. Physical Characteristics

Form Factor: ControlLogix "wide" module (fits standard 1756 chassis slots).

Dimensions: Approx. 130mm (height) x 32mm (width) x 160mm (depth).

Weight: ~0.3kg (0.66lbs), consistent with other ControlLogix module standard weights.

Mounting: Chassis-mounted via the 1756 backplane, secured with a front-panel latch.

4. Core Features & Benefits
  • High Availability via PRP: Eliminates network downtime with redundant paths, ideal for applications requiring 24/7 operation.
  • Seamless Logix Integration: Works natively with Studio 5000 software, enabling centralized configuration, programming, and diagnostics.
  • Industrial Ruggedness: Built to withstand vibration, temperature extremes, and electrical noise common in factory floors.
  • Scalable Connectivity: Supports connection to multiple EtherNet/IP devices and integration with enterprise systems.
5. Typical Applications
  • Mission-critical industrial control systems (power, chemical processing, mining).
  • High-availability manufacturing lines (automotive, semiconductor).
  • Distributed control systems (DCS) where network redundancy is mandatory.
  • Integration of ControlLogix PACs into enterprise-wide industrial networks.
Parameter Specification details
Power dissipation 5.1W
Thermal dissipation 17.4 btu/h
Enclosure type rating None (open-style)
Ethernet ports 1 Ethernet RJ45 Category 5
CIP unconnected messages 128 + 128 (backplane + Ethernet)
Current draw 1A @ 5.1V DC, 3mA @ 24V DC
Ethernet cable 802.3 compliant shielded or unshielded twisted pair
Wiring category 2-on Ethernet ports, 3-on USB ports
Communication rate 10/100 Mbps
Connections supported, max TCP: 128, CIP: 256 (CIP connections can be used for all explicit or all implicit applications. For example, a 1756-ENBT module has a total of 128 CIP connections that can be used for any combination of connections.)
Isolation voltage 30V (continuous), Basic Insulation Type, Ethernet to Backplane, USB to Backplane, and USB to Ethernet (Applies only to these modules/series: 1756-EN2T/D, 1756-EN2TR/C, 1756-EN3TR/B), Type tested at 980V AC @ 60s
Surrounding air temp., max 60°C
Storage temperature -40°C < 85°C (-40°F < 185°F)
Emissions CISPR 11: Class A
Vibration 2 G @ 10...500 Hz
ESD immunity 6 kV contact discharges, 8 kV air discharges
Relative humidity 5...95% noncondensing
Shock Operating: 30 G
Conducted RF immunity 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
Surge transient immunity +2 kV line-earth(CM) on Ethernet ports
Operating temperature 0°C < 60°C (32°F < 140°F)
Radiated RF immunity 10V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3V/m with 1 kHz sine-wave 80% AM from 2000...6000 MHz
1756-EN2TP Module
Rockwell Embedded Edge Compute Module CLX ENet/IP 100M PRP 1756-EN2TP
EtherNet/IP communication module, PRP dual-port, 10/100M twisted-pair cable, 128 TCP connections
130 × 32 × 160 mm
Dimension
0.3 kg
Weight
Without battery
Battery
Delivery information typically includes delivery times, shipping methods, packaging, etc., which may vary depending on the seller and the location of purchase.
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Rockwell Embedded Edge Compute Module CLX ENetIP 100M PRP 1756-EN2TP datasheet.pdf
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Frequently Asked Questions (FAQ)
QWhat is the main function of the 1756-EN2TP module?
The 1756-EN2TP is an embedded EtherNet/IP communication module that connects ControlLogix PACs to 100Mbps industrial Ethernet networks with built-in Parallel Redundancy Protocol (PRP).
QWhat is Parallel Redundancy Protocol (PRP) on this module?
PRP provides "zero-loss" network redundancy by operating two active parallel Ethernet connections. If one path fails, the other continues transmission without any downtime.
QWhat is the operating temperature range of the 1756-EN2TP?
In normal storage, it handles temperatures between -40°C and 85°C, while standard operating limits are specified between 0°C and 60°C (with extreme design tolerances supporting -40°C to 70°C in compatible setups).
QDoes the module require an external power source?
No, the 1756-EN2TP draws power directly from the ControlLogix backplane. It draws a current of 1A at 5.1V DC and 3mA at 24V DC.
QHow many connections can the 1756-EN2TP support?
The module supports a maximum of 128 TCP connections and 256 CIP connections for explicit and implicit applications.
QWhat are the physical dimensions and weight of the module?
The module is approximately 130mm high, 32mm wide, and 160mm deep, weighing approximately 0.3kg. It mounts directly onto a standard ControlLogix chassis slot.

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