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Allen Bradley POINT I/O 1734-485ASC RS-485 ASCII Interface

Allen Bradley POINT I/O RS-485/422 ASCII Interface module.

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ManufacturerAllen Bradley

Part number1734-485ASC

Manufacturer Allen Bradley

Series POINT I/O

Part Number 1734-485ASC

Communication Type RS-485/RS-422 ASCII

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Veteran-owned

CAGE: 9NK75

RS-485/RS-422 ASCII communication Supports up to 38400 bps DIN rail mounting Seamless integration with Logix controllers LED status indicators Compact design

Product description

The Allen-Bradley 1734-485ASC is a POINT I/O RS-485/422 ASCII communication interface module. It is designed to add serial connectivity to your distributed I/O system, enabling communication between Logix controllers and ASCII-based devices such as barcode readers, printers, and serial displays.

This module is ideal for integrating serial devices into Allen-Bradley control systems. Applications include packaging and labeling systems, data logging, OEM machine communication, and industrial monitoring where ASCII serial data exchange is required. Its DIN rail mountable design ensures easy integration into control cabinets.

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Technical specifications

Manufacturer	Allen Bradley
Series	POINT I/O
Part Number	1734-485ASC
Communication Type	RS-485/RS-422 ASCII
Baud Rate	Selectable (300 to 38400 bps)
Protocol	ASCII
Power Consumption	250 mA @ 5V DC
Operating Temperature	-20°C to +55°C
Mounting	DIN rail

Common applications

Barcode scanner communication

Printer interfacing

Serial data logging

Sensor communication

Machine-level HMI

Industrial monitoring

Compatible systems

POINT I/O system Logix5000 controllers

Also known as

Allen Bradley ASCII serial module POINT I/O RS-485 converter 1734-485ASC communication module

Replaces / compatible with

This module expands the communication capabilities of POINT I/O systems by adding serial ASCII ports.

Technical note

Expert tip

Requires a wiring base assembly (e.g., 1734-TBS) for connection to the POINT I/O backplane and terminal connections.

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Frequently asked questions

What is the maximum baud rate supported by the Allen Bradley 1734-485ASC module?

The Allen Bradley 1734-485ASC module supports selectable baud rates from 300 bps up to a maximum of 38400 bps, allowing for flexible configuration with various serial devices.