A1SJ71UC24-R4-S2 | Mitsubishi| Computer Link Module
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The Mitsubishi A1SJ71UC24-R4-S2 serves as an indispensable MODBUS interface module, specifically engineered to extend the communication capabilities of Mitsubishi's reliable MELSEC-A series PLCs. This sophisticated component enables seamless RS-422 and RS-485 serial communication, furthermore facilitating robust data exchange with a myriad of external intelligent devices such as HMIs, sensors, and barcode readers. Designed for high-speed and stable data transmission, it offers enhanced flexibility in industrial control systems, whether expanding existing infrastructure or integrating legacy equipment into modern factory automation environments. Crucially, its support for both dedicated and general-purpose communication protocols, including MODBUS RTU/ASCII, underscores its versatility for complex networking demands.
| Parameter | Specification |
|---|---|
| Model | A1SJ71UC24-R4-S2 |
| Product Type | MODBUS Interface Module / Computer Link Module |
| Brand | Mitsubishi Electric |
| Series Compatibility | MELSEC-A Series PLCs |
| Interface | RS-422 / RS-485 |
| Communication Protocols | MODBUS (RTU/ASCII), Dedicated Protocol |
| Transmission Speed | 300 to 19200 bps |
| Channels | 1 Channel |
| Transmission Modes | RTU or ASCII (for MODBUS) |
| Transmission Distance | 500 meters (RS-422/485) |
| Power Supply | From PLC rack base |
| Current Consumption | 5VDC 0.1A |
| Occupied I/O Points | 32 points |
| Weight | 0.25 kg (0.56 lb) |
| Dimensions (W x H x D) | 5.1 cm x 15.2 cm x 12.7 cm (2.0 in x 6.0 in x 5.0 in) |
Shipping
At itrustbot, we prioritize fast, reliable shipping to minimize your industrial automation downtime, with warehouse operations Monday-Friday (closed on national holidays). Most orders ship within 2–3 business days; some specific items have a 3–5 day lead time, and we’ll notify you promptly of any unexpected delays.
Free Standard Shipping is available for all non-rush/next-day orders (no minimum purchase). For expedited shipping, we use DHL, FedEx, and UPS for items under 150kg; sea freight or economical options are available for heavy/bulky equipment (contact us to arrange). A $100 flat fee + expedited carrier costs applies for rush orders, with same-day dispatch for orders placed before 3:00 PM EST.
Estimated delivery times (after dispatch): USA & Canada/UK & EU (3–7 business days); Australia & New Zealand (4–8 business days); Rest of the World (7–12 business days). Times are estimates only—carrier/customs delays may occur.
Return
Return Windows: Notify us within 30 days of delivery for wrong/defective items (our error); within 14 days for incorrect orders/unwanted items (customer error).
Return Conditions: Items must be unused, in original received condition, and in unopened original packaging. Opened factory boxes are non-returnable unless the item is defective (sealed boxes opened cannot be resold as new).
