Rated 4.8 with 14 reviews


Description:  DL20 series Message Display with 2 line, 16 character VFD and 12-24V DC input power and 8K RAM memory

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Warranty: 1 year DO Supply Warranty Included
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About 2706-B21J8

The Allen Bradley 2706-B21J8 is a Dataliner DL20 message display with a Vacuum Fluorescent Display (VFD) screen with dimensions of 14.4 x 14.4 in. This screen has a two-line configuration with a parallel port and it can display up to 16 characters per line. It has 8 KB of RAM and 12 - 24V DC input power. The display on the Allen-Bradley 2706-B21J8 module has capabilities like dynamic message chaining, invisible messages, and a data trigger mode. The parallel data lines can receive AC or DC input signals at up to 120V. The 2706-B21J8 performs self-testing and diagnostics during power on and has autorun features. The messages can be configured or entered manually with a keyboard, CRT monitor, or any extra terminal. It has a real-time clock that tells the current date and time. External devices like printers, slave displays, and alarms can be connected. The Allen-Bradley 2706-B21J8 is highly customizable. This module is also able to deliver alarms and messages in a factory or warehouse. 
The Allen-Bradley 2706-B21J8 is designed to accept slave addresses, message triggers, and variable data from SLC or PLC modules. There is also an RS-422 port for file transfer and an RS-232 port for file uploading and downloading. This module also displays a variety of symbols and characters that can be read up to 25 feet away. To connect the RS-232 output to one slave unit, the distance limit is 50 feet. The 2706-B21J8 module supports offline programming software for creating and editing application files. This module is mounted on a panel or in an enclosure with a NEMA Type 12/13 rating.

Technical specifications:

Manufacturer:Rockwell Automation
Part Number/Catalog No.:2706-B21J8
Product Line:DL20
Display Size:14.4 x 14.4 in.
Display Color:Vacuum Fluorescent Display (VFD)
Input Type:ASCII
Communication :RS-422 and RS-232
Input Power:12-24V DC
Memory:8K RAM
Enclosure Type:NEMA Type 12/13
Line Count:2
Character Count:16


The Allen Bradley DataLiner Message Display offer the hardware and customization needed for effective factory-wide display. The DataLiner family features the DL5, DL10, DL20, DL30, DL40, DL40P, and DL50 marquee product lines. These products feature Vacuum Fluorescent, Red, or Tri-Color displays with from 1 to 5 lines of characters. There are parallel ports that provide both RS-232 and RS-485 communication. DataLiners allow for viewing of messages up to 240 feet away. These highly compatible and customizable message displays effectively deliver messages and alarms across the warehouse floors.

Type Lead Time Price Action
Repair Service 2-4 weeks $460.60Add to Cart

Our highly skilled technicians can repair your 2706-B21J8. All of our repairs come with a 1 Year Warranty. Please contact us for additional information about our repair process.

Common misspellings: 27O6-B21J8