Mitsubishi QJ71LP21-25 MELSEC-Q Network Data link Unit Made in Japan New

$159.00

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Item Condition: Used

1 in stock



Description

Mitsubishi MELSEC-Q Network Data Link Unit

Model: QJ71LP21-25 | High-Speed MELSECNET/H Communication Module

Condition New (Other) / Listed as Used — This is a brand new, unused module. However, since the original factory packaging is missing, we are listing it under ‘Used’ pricing for transparency. The unit is pristine and has never been commissioned.

Product Overview

The genuine Mitsubishi QJ71LP21-25 is a high-performance MELSECNET/H network module engineered specifically for the MELSEC-Q series PLC platform. Made in Japan, this unit serves as a critical data link for industrial automation, facilitating ultra-high-speed, high-capacity communication between controllers and remote I/O stations. Designed for optical loop configurations, it ensures maximum noise immunity and data integrity over long distances. This module is essential for complex automation architectures requiring seamless synchronization and high-bandwidth data transmission across demanding manufacturing environments.

Technical Specifications

Parameter Specification Details
Brand / Origin Mitsubishi Electric / Made in Japan
Catalog Number QJ71LP21-25
Network Type MELSECNET/H (Optical Loop)
Transmission Speed 25 Mbps / 10 Mbps (Selectable)
Max Link Points 8192 Points (for LB/LW/LX/LY)
Medium Support SI/H-PCF/QSI Optical Fiber Cable
Platform Support Mitsubishi MELSEC-Q Base Units

Key Features & Integration Benefits

  • Advanced Noise Immunity: The optical fiber interface provides total isolation from electromagnetic interference (EMI), making it ideal for high-voltage industrial zones.
  • Redundant Loop Architecture: Supports dual-loop wiring to maintain network continuity in the event of a single cable failure, ensuring zero downtime.
  • Diagnostic LED Array: The front panel features active status indicators (RUN, ERR, MST) for rapid real-time troubleshooting and link verification.
  • High-Capacity Data Sharing: Facilitates massive cyclically transmitted data between processors, essential for synchronized multi-axis control or large-scale facility monitoring.

Additional information

Brand

Mitsubishi

MPN

Model

Type

Shipping Policy

Shipping Policy

1. Handling & Delivery Times
Handling Time: All orders are processed and packed within 1–3 business days.
Delivery Time: Once shipped, international delivery typically takes 6–10 business days.
You will receive a tracking number via email as soon as your order dispatches.

2. International Flat-Rate Shipping
We ship worldwide using a fixed flat rate.
The exact shipping cost for your location will be displayed directly in your shopping cart before checkout.

3. Need a Lower Shipping Rate?

If you are ordering multiple items or need relief on shipping costs, please reach out to us before purchasing. We are happy to check alternative carriers to find you a more cost-effective option.

Contact Us
Email: heecotechnical@gmail.com
WhatsApp/Phone: +923702502354

Refund Policy

Returns & Refunds Policy
Thank you for shopping with us. We want to ensure you get the exact technical hardware you need. Please review our policy regarding returns and refunds below.

1. Return Window & Eligibility
15-Day Limit: You have 15 days from the date of delivery to request a return or refund.

Inspection Clause: All returned items are subject to a thorough technical inspection upon arrival. A refund or exchange will only be approved if the item passes inspection based on the valid issues outlined below.

2. Valid Reasons for a Return
A return request will be accepted only under the following specific circumstances:

Description Mismatch: The item has an issue or defect that was not mentioned or disclosed in the product description.

Wrong Item Delivered: The item received does not match the order you placed.

Visual Discrepancy: The item delivered does not match the product images shown on our store.

Specification Changes: The item delivered is a different model, version, or hardware revision than the one advertised and ordered.

3. Non-Returnable Conditions
Returns will not be accepted if:

The item was ordered by mistake due to buyer error (e.g., ordering the wrong voltage or specification without checking compatibility).

The item shows signs of installation, misuse, wiring damage, or alteration after delivery.

The request is made after the 15-day window has expired.

Cancellation / Return / Exchange Policy

4. The Refund Process
Approval: Once your return is received and inspected, we will notify you whether your refund is approved or rejected based on the item\'s condition and the reason for return.

Payout: Approved refunds will be processed back to your original method of payment within [5-7] business days.

Exchanges: If the issue is a wrong model or revision, we will happily exchange it for the correct item (subject to stock availability) at no extra shipping cost to you.

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