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  • 1734-ACNR
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1734-ACNR

Allen-Bradley 1734-ACNR | ControlNet POINT I/O Module

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  • Manufacturer: Allen-Bradley

  • Product No.: 1734-ACNR

  • Product Type: I/O Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 100g

  • Shipping port: Xiamen

  • Warranty: 12 months

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Product Overview

The Allen-Bradley 1734-ACNR is a POINT I/O ControlNet adapter module designed by Rockwell Automation to interface I/O modules directly to high-speed ControlNet networks. It provides high-speed data transfer between controllers and field devices while supporting redundant media connections to maintain network reliability in critical automation systems. Powered by a standard 24V DC input supply (10.2 to 28.8V DC range), the 1734-ACNR supplies up to 1000 mA (1 Amp at 5V DC) of POINTBus backplane current to drive connected expansion modules. Featuring a compact form factor with an approximate net weight of 0.10 kg (0.22 lbs), it supports up to 5 rack-optimized connections for digital modules and up to 25 direct connections for analog/specialty modules, expandable up to 63 modules per node using 1734-EP24DC expansion power supplies (compatible with Series C or later modules).

Technical Specifications

Parameter Specification
Catalog / Part Number 1734-ACNR
Manufacturer / Brand Rockwell Automation / Allen-Bradley
Product Series / Module Type POINT I/O ControlNet Adapter Module (Redundant)
Input Voltage Nominal 24 Volts DC
Inrush Current 6 Amps for 10 milliseconds
Power Requirements / Consumption 425 mA / 8 Watts (10.2W Max Power)
POINTBus Backplane Current 1000 mA (1 Amp) at 5 Volts DC
Power Dissipation 2.8 Watts (at 28.8 Volts DC)
Overvoltage Protection Reverse Polarity Protected
Product Net Weight 0.10 kg (0.22 lbs)
Module Compatibility Series C or later POINT I/O Modules
UPC Code 10612598283702

Key Hardware & Operational Features

  • Redundant ControlNet Media Ports: Dual coax media connectors allow redundant cabling configurations to prevent communication downtime on industrial networks.
  • High-Density Expansion Capacity: Supports 5 rack-optimized connections and 25 direct analog connections, expandable up to 63 I/O modules per node with 1734-EP24DC power supplies.
  • Network Access Port (NAP): Includes a dedicated local communication port for convenient field diagnostics and configuration tools without interrupting main control traffic.
  • Integrated Reverse Polarity Protection: Built-in electrical protection safeguards internal electronics against reverse wiring errors during field setup.

Installation & Field Wiring Guidelines

1. DIN Rail Mounting: Snap the adapter module onto a standard 35 mm DIN rail prior to installing adjacent POINT I/O terminal bases.

2. Power Wiring: Connect a clean 24V DC class 2 power supply to the removable field-power terminals, adhering to polarity markings.

3. Media Connection: Attach ControlNet coaxial cables to channel A and channel B BNC ports. Ensure proper network termination resistors are installed at network endpoints.

Frequently Asked Questions (FAQs)

Q1: What is the maximum backplane output current of 1734-ACNR?
A1: Provides up to 1000 mA (1 Amp) at 5V DC.

Q2: How many I/O modules can the 1734-ACNR support?
A2: Up to 63 modules with 1734-EP24DC power supplies.

Q3: Which module series are compatible with 1734-ACNR?
A3: Controls Series C or later POINT I/O modules.

Product Resources

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🏷️ Tags: I/O Module

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