ASCII to Allen-Bradley PLC

The Fastest and Simplest Way to Move ASCII Serial Barcode, Weighscale, and RFID Slave Data to Allen Bradley PLCs





Move Your ASCII Data

You’ve just found the easiest way to move ASCII serial data to and from a MicroLogix, ControlLogix, CompactLogix, PLC-5, and SLC5/05 Allen-Bradley PLC over EtherNet/IP. Through simple browser-based configuration, you define the makeup of your ASCII string and then watch it get delivered directly to your user-defined tag or register location in the data table of your PLC. Perfect for barcode scanners, weigh scales and displays.

Need to send ASCII data from the PLC? Simply populate a second tag or register location with the message you wish to send. When the gateway sees a length greater than 0 it will process the data and send it out to the serial device.

One in tag/register one out tag/register, it’s really that simple. No message instruction or IO tree to deal with.

ASCII to PLC Conversion
ASCII to PLC Conversion

Legacy Device Support
Even though Ethernet is the standard, there is still an awful lot of ASCII data out there. There are a ton of perfectly good scales, barcode readers, RFID devices and a multitude of other units that generate an ASCII string. This is equipment that you’ve used for a long time. You know how to set it up, how to make it work and that it’s reliable for you. Plus, you can probably get it at a really good price since it doesn’t have all the fancy features of the new models.

Simpler is Better
Why wrestle with hours of programming and tedious ladder logic to integrate a simple gateway? Why deal with 50 additional features on a product you don’t need? Or pan through hundreds of pages of a manual just to get your unit configured? With our Barcode to PLC Gateway you don’t have to deal with any of those things. You can easily have our unit up and running in less than 5 minutes.

Product Video

Case Study
Crane Sentry System Adds Allen-Bradley Connectivity with Help from Real Time Automation’s 435NBX Gateway Read the case study.

Part Number
Good ForBarcode Readers, Weigh Scales, Displays and other ASCII devicesWeather Stations, UPS Systems and any other ASCII devices that output a compound ASCII string
PLC SetupASCII string gets mapped to a single Tag or RegisterASCII string can be parsed to multiple Tag or Register locations
AlarmingN/AEmail alarming available
Same Pricing Model
Weight2 lbs
Dimensions11 × 9 × 4 in

N700, NNA1


Din Rail, Din Rail with Power Supply, Panel Mount, Panel Mount with Power Supply, Wall Mount

Protocol Selector 2


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  • Manual
  • 3’ Power Cable with Flying leads
  • 6' Null Modem Cable
  • 5-Year Hardware Warranty
  • IPSetup software — Automatically locates RTA Gateway on the network
  • Unlimited Firmware Feature Upgrades for Life
  • CAT5 Cross over cable for direct connection to PC during programming
  • Complete, Unlimited Access to our Industry Leading Support Staff

ASCII Features

Maximum Number of ASCII devices: 2
Wide Characters: Add Padding on Outgoing
Serial Communications Port 0: RS232, RS485, RS422
Serial Communications Port 1: RS232
Message Queue Size: Configurable, 0-20 messages

EtherNet/IP Tag Client Features

PLC Support: ControlLogix, CompactLogix, FlexLogix, MicroLogix, SLC’s and PLC5E’s
Maximum Number of PLCs Supported: 1
Messaging Operation: Connected or Unconnected
Net ENI Support: Supported

Gateway Security
You can configure a user with access to diagnostic and configuration screens.

Status and Counters
Protocol specific status, counters and error messages are accessible within the gateways diagnostics page.

Diagnostic Logging Page
Allows users to see and log start up sequences, protocol specific messages and error messages.