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Product Name: A1SJ71AT21B Data Link Unit
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Series: MELSEC-A Series
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Type: Data Link Unit
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Status: Discontinued by Manufacturer
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Points: 32 Point Module
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Operating Voltage: 5 VDC
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Current Rating: 0.66 AMP
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Ideal for industrial automation and PLC communication
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Supports legacy Mitsubishi system
A1SJ71AT21B
Brand Name:
Mitsubishi
Original price was: د.إ1,800.00.د.إ900.00Current price is: د.إ900.00.
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- By purchasing this item, you agree to the Terms & Conditions
- The Seller is responsible for shipping the product and invoicing
ILM SURPLUS FZE Disclaimer:The product is used surplus. ILM SURPLUS FZE is not an authorized surplus dealer or affiliate for the Manufacturer of this product. The product may have older date codes or be an older series than that available direct from the factory or authorized dealers. Because ILM SURPLUS FZE is not an authorized distributor of this product, the Original Manufacturer’s warranty does not apply. While many Mitsubishi A1SJ71AT21B products will have firmware already installed, ILM SURPLUS FZE makes no representation as to whether a A1SJ71AT21B product will or will not have firmware and, if it does have firmware, whether the firmware is the revision level that you need for your application. ILM SURPLUS FZE also makes no representations as to your ability or right to download or otherwise obtain firmware for the product from ILM SURPLUS FZE, its distributors, or any other source. ILM SURPLUS FZE also makes no representations as to your right to install any such firmware on the product. IL MSURPLUS FZE will not obtain or supply firmware on your behalf. It is your obligation to comply with the terms of any End-User License Agreement or similar document related to obtaining or installing firmware.
Specifications
Part #
A1SJ71AT21B
Category
PLC
Sub Category
HMI (HUMAN-MACHINE INTERFACE)
Weight
0.10 kg
Product Description
Products Highlights
The A1SJ71AT21B Data Link Unit is a reliable and high-performance communication module designed for the MELSEC-A Series industrial automation platform. Engineered to support stable and accurate data exchange, this module features 32 communication points, enabling seamless connectivity between multiple PLCs and networked devices within complex automation environments. Its 0.66 AMP rating and efficient 5 VDC operation ensure consistent performance, even under heavy communication loads or continuous runtime conditions.
As a critical part of legacy Mitsubishi PLC systems, the A1SJ71AT21B excels in applications where dependable data transfer and synchronized system communication are essential. It is widely used in manufacturing plants, production lines, material handling systems, and process automation setups where MELSEC-A hardware remains operational. The module facilitates smooth data flow, reduces communication delays, and supports real-time coordination of industrial processes.
Although discontinued by the manufacturer, the A1SJ71AT21B remains a highly sought-after replacement unit for maintaining older automation systems. Its compatibility with existing MELSEC-A racks makes installation straightforward, minimizing downtime and avoiding costly system upgrades. Known for its durability and long service life, this module continues to deliver stable and dependable connectivity for industrial facilities relying on legacy Mitsubishi PLC frameworks.
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