1756-EN2TRXT

Technical specifications

Manufacturer

Allen-Bradley

Manufacturer part no.

1756-EN2TRXT

Type

Communication module

Application

Communication module

Used with

ControlLogix 1756 chassis

EtherNet/IP communication rate

10/100 Mbps

Logix communication connections

256

TCP communication connections

128

Current draw @ 5.1V DC

1 A

Power dissipation

5.1 W

Thermal dissipation

17.4 BTU/hr

Isolation voltage

30V (continuous), Basic Insulation Type, Ethernet to Backplane, USB to Backplane, and USB to Ethernet, Compliant and tested according to IEC/UL 61010-1

Slot width

1

Module location

Chassis-based, any slot

Chassis

1756-A7XT/C, 1756-A10XT/C, 1756-A7ZXT, 1756-A10ZXT

Ethernet port

2 Ethernet RJ45 Category 5

Ethernet cable

802.3 compliant shielded or unshielded twisted-pair

USB port

USB full speed (12 Mbps)

Wiring category

2 - on Ethernet ports 3 - on USB ports

Temperature code

T4

Enclosure type rating

None (open-style)

Temperature, operating

-25 ≤Ta ≤ +70 °C (-13 ≤ Ta ≤ +158 °F) -25 ≤Ta ≤ +70 °C (-13 ≤ Ta ≤ +158 °F)

Temperature, nonoperating

-40…85 °C (-40…185 °F)

Relative humidity

5…95% noncondensing

Conformal Coated

Yes

Vibration

2 g @ 10…500 Hz

Shock, operating

30 g

Emissions

Class A

ESD immunity

6 kV contact discharges 8 kV air discharges

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

Technical documents (1)

• Rockwell Automation technical data 1756-TD003

Key features

• Two RJ45 Ethernet ports (Category 5)
• USB port, full speed (12 Mbps)
• Operating temperature -25 to +70 °C
• Current draw 1 A
• Fits any slot of a 1756 chassis

About the Allen-Bradley 1756-EN2TRXT

The Allen-Bradley 1756-EN2TRXT is a ControlLogix EtherNet/IP communication module. Rockwell's own summary: EtherNet/IP communication module, dual port, 10/100M twisted pair, 128 TCP connections, extreme environment. Rockwell's technical data gives 10/100 Mbps on two RJ45 Ethernet ports (Category 5), 128 TCP and 256 Logix communication connections, and a current draw of 1 A. Rockwell Automation lists it as Active.

What is the 1756-EN2TRXT used for?

The 1756-EN2TRXT connects a ControlLogix chassis to EtherNet/IP, for I/O, messaging, and links to other controllers and HMIs.

Lifecycle and successor

Active.

Before you order

What to photograph or confirm so the right unit is quoted.

Check the catalog number 1756-EN2TRXT on the module's label, with the series letter and firmware revision. Send us a photo of the label and we will confirm the details before quoting.