Allen-Bradley 1756-ENET ControlLogix EtherNet/IP Bridge Module

Description

The Allen-Bradley 1756-ENET is a ControlLogix communication module. It is an EtherNet/IP (Ethernet Industrial Protocol) interface communication module. It has been discontinued by the company and replaced with new model number 1756-ENBT with the same specification. It supports general messaging, real-time I/O messaging, and the information exchange for applications like real-time control, time synchronization, and motion. The 1756-ENET also meats the CIP safety standard by allowing simultaneous transfer of safety and control data and diagnostics information. It uses advanced communication chips and physical media.

The 1756-ENET Module has 100 Mbps EtherNet/IP communication rates and uses copper wire. It supports 128 Logix and 64 TCP/IP communication connections. It can support a maximum of 8 axes for integrated motion on the Ethernet/IP Network. It draws a 700 mA current at 5.1V DC and 3 mA at 24V DC. It has a maximum power dissipation of 3.7 W and thermal dissipation of 12.6 BTU/hr. It can be installed in any slot in the ControlLogix Chassis. For wiring, it uses unshielded RJ45, category 5, twisted-pair cable connectors to interface with the controller. The 1756-ENET is configured using RSLinx software to be used at the workstation. To operate an EtherNet/IP network, parameters such as IP address, Subnet mask, Gateway etc., must be defined.

The 1756-ENET bridge has various functions like providing support for messaging, distributed I/O, and tags. It encapsulates messages within standard TCP/IP protocol. ControlNet and DeviceNet network protocols allow it to share a common application layer. It does not require any scheduling or routing table to store information. Other features include explicit protected mode, electronic keying, device level ring network, and parallel redundancy protocol network support

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Allen Bradley Main Products:

1. SLC500:1747/1746 series 2.MicroLogix: 1761/1763/1762/1766/1764 series 3.CompactLogix: 1769/1768 series 4. The ControlLogix: 1756/1794/1760/1788 series 5. PLC-5:1771/1785 series 6.2711,2711P PanelView man-machine interface, touch screen, operation panel 7.22A,22B, 20 small frequency converter,150 soft starter 8. ProSoft: MVI69 / PS69 / MVI56 / MVI94 / MVI71 / MVI46/3150 9. ICS TRIPLEX: T8431 / T8461 / T3401 / T8310

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