1756-EN2F
Allen-Bradley ControlLogix EtherNet/IP module, 100 Mbps multimode fiber
Image is for illustrative purposes only. Please refer to product description.
Delivery options
Allen-Bradley 1756-EN2F is a ControlLogix EtherNet/IP communication module with one multimode LC fiber port, 10/100 Mbps communication rate, 128 TCP connections and single-slot chassis mounting, listed by Rockwell as Active.
- Manufacturer
- Allen-Bradley
- Manufacturer part no.
- 1756-EN2F
- Product family
- ControlLogix Communication Modules (1756)
- Type
- EtherNet/IP communication module
- Lifecycle
- Active
- OEM successor
- Not stated
- Technical datasheet
- Data sheet
Technical specifications
- Manufacturer
- Allen-Bradley
- Manufacturer part no.
- 1756-EN2F
- Type
- EtherNet/IP communication module
- Application
- Communication module
- Used with
- ControlLogix 1756 chassis
- Application
- EtherNet/IP
- Communication
- Ethernet/IP
- Display
- Digital
- Enclosure
- None (open-style)
- Mounting
- Chassis
- Special Features
- Fiber Optic
- Sub Brand
- ControlLogix
- Type
- Communication Module
- Interface
- 1 Fiber MM LC (100 Mbps)
- Number Of Channels
- 1
- ATEX temp code
- T4
- CIP unconnected messages
- 128 + 128 (backplane + Ethernet)
- Communication rate
- 10/100 Mbps
- Conducted RF immunity
- 10V rms with 1 kHz sine-wave 80% AM from 150 kHz...80 MHz
- Connections supported, max
- TCP: 128, CIP: 256 (CIP connections can be used for all explicit or all implicit applications. for exAle, a 1756-ENBT module has a total of 128 CIP connections that can be used for any combination of connections.)
- Current draw
- 1.2A @ 5.1V DC, 3mA @ 24V DC
- Emissions
- CISPR 11: Class A
- Enclosure type rating
- None (open-style)
- ESD immunity
- 6 kV contact discharges, 8 kV air discharges
- Ethernet cable
- Multimode fiber, LC connector
- Ethernet ports
- 1 Ethernet fiber
- Isolation voltage
- 30V (continuous), basic insulation type, USB to backplane type tested at 980V AC @ 60s
- Module location
- Chassis based, any slot
- Operating temperature
- 0 °C <Ta <60 °C (32 °F <Ta <140 °F)
- Power dissipation
- 6.2 W
Show all 43 specificationsShow fewer
- Radiated RF immunity
- 10 V/m with 1 kHz sine-wave 80% AM from 80...2000 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 900 MHz, 10 V/m with 200 Hz 50% Pulse 100% AM @ 1890 MHz, 3 V/m with 1 kHz sine-wave 80% AM from 2000...2700 MHz
- Relative humidity
- 5...95% noncondensing
- Shock
- Operating: 30 G, Nonoperating: 30 G
- Slot width
- 1
- Storage temperature
- -40 °C <Ta <85 °C (-40 °F <Ta <185 °F)
- Supporting protocol for EtherNet/IP
- Yes
- Supporting protocol for TCP/IP
- Yes
- Surrounding air temperature, max
- 60 °C
- Thermal dissipation
- 21.28 btu/h
- Transmitter launch power, min
- At beginning of Life (BOL): -19 dBm into 62.5/125 µm fiber, N/A = 0.275, -22.5 dBm into 50/125 µm fiber, N/A = 0.20, Allow -1 dB at End of Life (EOL)
- Vibration
- 2 G @ 10...500 Hz
- Wiring category
- 3 - on USB ports
- With optical interface
- Yes
Technical documents (1)
Key features
- One multimode fiber LC Ethernet port
- 10/100 Mbps communication rate
- Supports EtherNet/IP and TCP/IP protocols
- Up to 128 TCP and 256 CIP connections
- Chassis based, any slot, one slot wide
About the Allen-Bradley 1756-EN2F
The Allen-Bradley 1756-EN2F is a ControlLogix communication module, named by Rockwell Automation as CLX ENet/IP 100M Fiber. Rockwell's product data describes it as an EtherNet/IP module with 10/100M LC2 multi-mode fiber and 128 TCP connections. Rockwell lists a current draw of 1.2A at 5.1V DC and 3mA at 24V DC, power dissipation of 6.2 W, and an operating temperature of 0 to 60 °C. Rockwell shows its lifecycle status as Active.
What is the 1756-EN2F used for?
The module connects a ControlLogix chassis to an EtherNet/IP network through a single multimode fiber link with an LC connector. Rockwell lists its application as EtherNet/IP, and it can be fitted in any slot of the chassis.
Lifecycle and successor
Active.
Before you order
What to photograph or confirm so the right unit is quoted.
Check that the catalog number on the module label reads 1756-EN2F, and note the series letter and firmware revision shown there. Send us a photo of the label if you want us to confirm the part before you order.
Alternatives for 1756-EN2F
The manufacturer’s named successor and other parts in the same family. None is a drop-in replacement without checking wiring, I/O and configuration for your installation.
| Product | Manufacturer | Type | Lifecycle | Relationship | Qty Available | Price | Action |
|---|---|---|---|---|---|---|---|
| Allen-Bradley 1756-CN2ControlLogix ControlNet interface module, BNC | Allen-Bradley | ControlNet communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-CN2RControlLogix ControlNet redundant interface module | Allen-Bradley | ControlNet interface module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-CN2RXTControlLogix ControlNet redundant interface module, XT | Allen-Bradley | ControlNet communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-CNBControlLogix ControlNet communication module, 1 BNC | Allen-Bradley | ControlNet communication module | Discontinued | Same family | On Request | On request | View › |
| Allen-Bradley 1756-CNBRControlLogix ControlNet communication module, redundant | Allen-Bradley | ControlNet communication module | Discontinued | Same family | On Request | On request | View › |
| Allen-Bradley 1756-DNBControlLogix DeviceNet bridge and scanner module | Allen-Bradley | DeviceNet scanner module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-EN2TControlLogix EtherNet/IP communication module, 10/100 Mbps | Allen-Bradley | EtherNet/IP communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-EN2TRControlLogix EtherNet/IP module, dual port 10/100 Mbps | Allen-Bradley | EtherNet/IP communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-EN2TXTControlLogix EtherNet/IP module, extended temperature | Allen-Bradley | EtherNet/IP communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-EN3TRControlLogix EtherNet/IP module, dual port copper | Allen-Bradley | EtherNet/IP communication module | Active | Same family | On Request | On request | View › |
| Allen-Bradley 1756-ENBTControlLogix EtherNet/IP communication module, 10/100 Mbps | Allen-Bradley | EtherNet/IP communication module | Discontinued | Same family | On Request | On request | View › |
| Allen-Bradley 1756-EWEBControlLogix EtherNet/IP web server module, 10/100 Mbps | Allen-Bradley | EtherNet/IP communication module | Discontinued | Same family | On Request | On request | View › |
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