Technical Specifications

About 1756-ENBT

The 1756-ENBT ControlLogix bridge module is an Ethernet/IP bridge by Allen-Bradley. It provides an Ethernet speed of 10 to 100 Mbps. This communication module is used to transfer data and information by using the Ethernet port. The bridge is capable of handling high-speed communication and it comes with auto-negotiating functions. It supports real-time I/O messaging, information exchange, and general messaging. It meets the common industry protocol (CIP) for safety in data transmission. The 1756-ENBT bridge has a current draw of 700 milliamps at 5.1 Volts DC. The power dissipation of the bridge module is 3.7 Watts and it has a thermal dissipation rating of 12.6 BTU/hour. Basic insulation is present with an isolation voltage of 30 Volts from the Ethernet network to the backplane. It has a slot width of 1.

The Allen-Bradley 1756-ENBT ControlLogix Ethernet/IP bridge module can be installed in any slot of the chassis. The ambient temperature should be set between 0 and 60 degrees Celsius for normal operation. A single Ethernet RJ 45 Cat 5 port is present on the front of the module. Both shielded and unshielded twisted pair cables are supported for communication. No USB port is available in this bridge module variant. The 1756-ENBT bridge module supports upto 128 Logix connections. It has a current rating of 3 milliamps and voltage rating of 24 Volts DC. The bridge is able to process up to 5000 I/O packets per second at a time.