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Warranty:1 year
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ALLEN-BRADLEY / MESSAGEVIEW 421N
Numeric Message Display Terminal
MessageView 421N numeric entry.
Remote I/O messages with local operator acknowledgement.
MESSAGEVIEW 421N
PRODUCT PROFILE
Nominal DC supply
24 VDC
DC supply range
18-30 VDC
Maximum power consumption
20 W
CONTROLLER MESSAGE / VFD DISPLAY / NUMERIC RESPONSE
MessageView 421N numeric entry. Remote I/O messages with local operator acknowledgement.
LET’S DISCUSS YOUR REQUIREMENT
Send the model number and required quantity to Jim Pei for product information and a quotation.
| Parameter | Specification |
|---|---|
| Nominal DC supply | 24 VDC |
| DC supply range | 18-30 VDC |
| Maximum power consumption | 20 W |
| Supply current at 24 VDC | 833 mA |
| Display resolution | 128 × 32 dot matrix |
| Quarter-size text capacity | 21 characters × 4 lines |
| Half-size text capacity | 10 characters × 2 lines |
| Full-size text capacity | 7 characters × 1 line |
| Graphic symbol capacity | 5 symbols × 2 lines |
| Application message capacity | 4096 messages × 21 characters |
| Historical event stack | 4000 messages × 21 characters |
| Value-trigger queue | 64 messages × 100 characters |
| Application flash | 256 Kwords × 16 bits |
| Battery-backed SRAM | 128 Kwords × 16 bits |
| Display technology | Vacuum fluorescent display (VFD) |
| Controller network connection | Remote I/O |
| Additional communication port | RS-232 |
| Operator input | Numeric keypad with ACK and Enter |
Use DC power only. The M1N1 configuration includes Remote I/O; verify the application and port roles rather than substituting the serial-only M1N version.
NUMERIC MESSAGE DISPLAY TERMINAL
MessageView 421N
Allen-Bradley 2706-M1N1 is a MessageView 421N terminal with a numeric keypad and Remote I/O connection. Its vacuum fluorescent display presents text and graphic messages in selectable character sizes. Numeric entry keys allow the operator to enter permitted process values. The acknowledgement key supports messages requiring an operator response. The RS-232 port supports application transfer and the configured auxiliary communication role. MessageBuilder application configuration determines how messages and entry variables interact with the controller.
01 / Trigger the configured messages
The controller connection and application determine which messages are selected for presentation on the VFD.
02 / Enter numeric values
The numeric, sign and decimal keys provide the data-entry functions available to variables within an active message.
03 / Acknowledge and record events
Operators can acknowledge messages requiring a response, and the historical event stack retains the configured message history.
Remote I/O annunciation
Use the Remote I/O version where a compatible PLC or SLC application triggers the message terminal through that connection.
Operator value entry
The numeric keypad suits an application that requires local entry variables without a full graphical touchscreen interface.
Keep numeric entry within the configured application
The terminal writes only the data defined by its message application and controller interface. Preserve the original MessageBuilder project and addressing.
Years of Global Experience
With 20+ years of industry experience, we serve customers worldwide and have built long-term relationships across the UK, Russia, UAE, India, Venezuela, and more.
Professional Support Team
Our experienced team provides reliable pre-sales and after-sales support, helping customers select suitable products and resolve purchasing concerns.
Wide Range of Brands
We supply leading automation brands covering PLCs, DCS, I/O modules, drives, motors, power supplies, communication modules, and more.
Large In-Stock Inventory
A wide range of products is available from stock, including discontinued, obsolete, and hard-to-find parts, helping reduce sourcing time.
Honesty & Trust
We value long-term cooperation and treat every customer with honesty, respect, responsibility, and care.
Your Trusted Automation Partner
From a single replacement part to complete automation projects, we are ready to support your needs and build a long-term partnership.
The Beginning
Company was founded in Xiamen, Fujian, China, in 2005 with a team of only four people. At that time, we mainly served selected European and North American markets, supplying commonly requested industrial automation products from Siemens, Allen-Bradley and Bently Nevada. Although the business was still developing and we completed relatively few orders, this period helped us build essential product knowledge and international trade experience.
A Period of Growth
By 2017, our team had grown to approximately 30 people, and we had established a warehouse for in-stock automation components. Our business expanded across Europe, North America and Southeast Asia, while our product range grew from popular models to scarce and discontinued industrial automation parts. As our product knowledge and service experience increased, we completed nearly 20 orders per month on average.
Serving Customers Worldwide
Today, Company serves customers worldwide with a professional team of approximately 60 people. Our warehouse holds a broad selection of industrial automation components, including popular products, hard-to-find parts and discontinued models. We now complete more than 30 orders per month, with an average monthly transaction value of approximately USD 3 million. We have established long-term partnerships with nearly 30 customers from different countries and welcomed almost 40 international customers to visit our company.
Since our company was founded, we have served every customer with sincerity and professionalism. Our prices may not always be the lowest, but we earn long-term trust through quality products, dependable after-sales support, honest condition reporting, timely communication and responsible delivery. Our goal is to build lasting partnerships rather than pursue one-off transactions.
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