The Allen-Bradley 1756-EN2F is a ControlLogix communication module. This module is used to enable Remote I/O connection, capable of acting as a communication adapter and scanner; permits data exchange between controller and visualization systems such as Human Machine Interface (HMI) or Supervisory Control and Data Acquisition (SCADA) and bridge ethernet networks to link messages from different ethernet nodes.
ManufacturerRockwell Automation
Thermal Dissipation21.28 BTU/hr
Part Number/Catalog No.1756-EN2F
BrandAllen-Bradley
Communication Port:One (1) Ethernet; One (1) USB
Ethernet Data Transfer speed:10 /100 Mbps
USB Data Transfer rate:12 Mbps
Mounting:Any 1756 Chassis
Backplane current:1.2 A at 5.1 VDC; 3 mA at 24VDC
Power Dissipation:6.2 W
Slot width1
Chassis1756-A4, 1756-A7, 1756-A10, 1756-A13, 1756-A17
Power supply, standard1756-PA72, 1756-PA75, 1756-PB72, 1756-PB75, 1756- PC75, 1756-PH75
Power supply, redundant1756-PA75R, 1756-PB75R, 1756-PSCA2
SeriesControlLogix
Module TypeEthernet Communication Module
TCP Connections128
CIP Connections256
Maximum Multicast Tags32
EnclosureOpen
Ethernet-IP Communication Rate10-1000 Megabites per second
Current Draw (5.1 Volts)1.2 Amps
Current Draw (24 Volts)3 milliamps
Voltage5.1 Volts DC
Current Rating1.2 Amps
The 1756-EN2F features a single Ethernet port that uses fiber connection. Physical connection can be established using a Multimode fiber cable with LC connector. The module’s fiber port supports 10/100 Mbps transmission speed.
The 1756-EN2F is a single slow width module that is compatible for installation to any slot of 1756-A4, 1756-A7, 1756-A10, 1756-A13, and 1756-A17 ControlLogix chassis. It is also compatible for use with standard power supplies such as 1756-PA72, 1756-PA75, 1756-PB72, 1756-PB75, 1756-PC75, and 1756-PH75. It may also be installed with redundant power supplies such as 1756-PA75R, 1756-PB75R, and 1756-PSCA2.