1734-ADNX Allen-Bradley POINT I/O Dual DeviceNet Adapter Scanner

Allen-Bradley 1734-ADNX Technical Overview

The Allen-Bradley 1734-ADNX is a specialized POINT I/O DeviceNet adapter module manufactured by Rockwell Automation. Functioning as a dual-role communication hub, this unit operates simultaneously as a slave on a primary DeviceNet trunk and as a master scanner for a local expansion subnet. Installed at the starter position of a Bulletin 1734 assembly, it delivers 1000 mA of POINTBus backplane current, features Auto Start Mode and Auto Catalog Replace for rapid maintenance, and operates efficiently on a nominal 24 VDC supply voltage.

Part Number Breakdown

• 1734: Allen-Bradley POINT I/O Hardware Architecture & Modular Platform Series
• -ADN: DeviceNet Network Communication Interface Adapter
• -X: Expanded Subnet Master / Scanner Dual Network Capability

Technical Specifications Table

Key Features & Hardware Configurations

Features dual network master/slave functionality, 1000 mA POINTBus current, 0.25 kg weight, Auto Catalog Replace, 24VDC SELV input, and LED diagnostics.

Frequently Asked Questions (FAQs)

Q1: What are the primary specifications of the Allen-Bradley 1734-ADNX module?
A1: Dual-role DeviceNet master/slave adapter, 24 VDC SELV input, 0.25 kg weight, and 1000 mA POINTBus current.

Q2: What type of power supply is required for CE Low Voltage Directive compliance?
A2: The adapter requires a Safety Extra Low Voltage (SELV) or Protected Extra Low Voltage (PELV) power supply rated at 24 V DC nominal.

Q3: How does the Auto Catalog Replace feature assist during module replacement?
A3: It detects if backplane modules are re-inserted in the wrong physical position or substituted, correcting errors to preserve system mapping and operation.