The Allen-Bradley 1756-EN2F is a high-performance ControlNet communication interface module designed for use in ControlLogix systems. It enables deterministic, real-time control and data exchange across ControlNet networks, supporting both redundant and non-redundant media configurations. The module is engineered for demanding industrial environments, providing reliable connectivity for up to 99 nodes per network segment. With dual BNC ports for coaxial cable attachment, the 1756-EN2F ensures robust signal integrity and fault-tolerant operation, ideal for process control, discrete manufacturing, and safety-critical applications.
| Parameter |
Specification |
| Product Series |
ControlLogix 1756 |
| Model Number |
1756-EN2F |
| Network Type |
ControlNet (coaxial) |
| Number of Ports |
2 (BNC female) |
| Redundancy Support |
Yes (redundant media via dual ports) |
| Data Rate |
5 Mbps (full-duplex ControlNet) |
| Maximum Nodes per Network |
99 |
| Maximum Cable Length (per segment) |
1000 m (RG-6 coaxial) |
| Power Consumption |
3.5 W typical (from backplane) |
| Backplane Current Draw |
0.7 A at 5.1 VDC |
| Operating Temperature |
0°C to 60°C (32°F to 140°F) |
| Storage Temperature |
-40°C to 85°C (-40°F to 185°F) |
| Relative Humidity |
5% to 95% (non-condensing) |
| Enclosure Type |
Open-style (panel or chassis mount) |
| LED Indicators |
Status, Network Activity, Module OK, Fault |
| Communication Protocol |
ControlNet (CIP-based) |
| Compatible Chassis |
1756-A4, A7, A10, A13, A17 (ControlLogix) |
| Firmware Compatibility |
Revision 10.x and above |
| Certifications |
CE, UL, CSA, ATEX (Zone 2), IECEx |
| Weight |
0.45 kg (1.0 lb) |
| Shipping Dimensions |
12.5 x 10 x 5 cm (4.9 x 3.9 x 2.0 in) |
What Does Our Clients Say
Mitsubishi MR-J4
Laura Navas
Great product!
2019/12/01
Keyence sensor
EQDR SALES
Original and fast!
2020/02/22