The Allen-Bradley 1734-AENT is a POINT I/O Ethernet I/P communication adapter. This module is part of the bulleting 1734 POINT I/O Product family, enabling a POINT I/O rack to exchange real-time I/O data to the master controller in the Ethernet I/P network. It interfaces POINT I/O modules and facilitates transfer not only I/O but diagnostic information as well.

The 1734-AENT has a built-in Ethernet communication port, with RJ45 physical interface. This port supports transmission speed of 10/100 Mbps in half or full-duplex operation. It comes with auto-negotiation capability, eliminating the need to specifically set the transmission rate of the module. The 1734-AENT connects the POINT I/O rack in star and tree topology. It uses Category 5 cable, Shielded or unshielded wires, installed with RJ45 connector on both ends of the cable.

The 1734-AENT is provided with LED status indicators used for monitoring the operation of the module and diagnosing in the event of module fault. These indicators include Three (3) red/green status indicators located on the CPU to indicate Module, Network and POINTBus status.

The 1734-AENT is supplied with 24V DC voltage to energize the module with field bus power supply current of 10 A. The acceptable supply range of the 1734-AENT is 10-28.8VDC. The 1734-AENT has an integral Reverse Polarity Protection.

The 1734-AENT may be installed up to 63 POINT I/O modules or maximum of 504 input and output points. Expansion power supplies may be installed to provide sufficient POINTBus current to the modules installed in the POINT I/O rack. One (1) expansion power supply may supply power to a maximum of 17 modules.

This module can communicate with other POINT I/O modules on the same DIN rail. This module’s communication is supported by RSLinx software. The IP addresses in this module are assigned via the standard BootP or DHCP tools. The Allen-Bradley 1734-AENT can support connections from several controllers simultaneously. The 1734-AENT adapter has 24 Volts DC input voltage rating and an inrush current of 6 A, maximum with dimensions of 30x 2.16 x 5.25 inches. This Ethernet/IP adapter module has an RJ-45, Category 5 Ethernet Connector.

The Allen-Bradley 1734-AENT adapter acts as a bridge between the POINT I/O module and the network, so the user control real-time I/O data. This module has messaging data support for configuration and programming information (these are also known as explicit messages). The 1734-AENT adapter uses a Common Industrial Protocol (CIP). CIP is the application layer protocol that is specified for Ethernet/IP or Ethernet Industrial Protocol and for the ControlNet network and DeviceNet. This is a message-based protocol that implements a relative path for sending messages from the device in a system to the consuming device. When you apply power to the POINT I/O system and create an I/O connection, transition the output to Idle State, apply the Idle State data before switching to RUN mode. This happens even when the controller makes the connection in RUN mode.