Q: What PLC series is this module compatible with?
A: It is designed for Mitsubishi Electric MELSEC‑Q (QnU) series PLCs.
1 actual photo shown first. Reference images are model-matched and must be confirmed before purchase.
Mitsubishi
QJ71E71-100
Ethernet Communication Module, MELSEC-Q QnU Series, 100BASE‑TX
Mitsubishi
From $619.56In stock
Product Description
The QJ71E71-100 is an Ethernet communication module for Mitsubishi Electric MELSEC‑Q (QnU) series PLCs, designed to provide reliable Ethernet connectivity for industrial automation networks. It supports Ethernet communications for data exchange between PLC CPUs, HMIs, and supervisory systems, enabling integration into plant networks and SCADA architectures. The module is commonly referenced as equivalent to model QJ71E71100. Use it to implement deterministic control messaging, diagnostics, and remote programming over standard Ethernet infrastructure. This unit fits within the MELSEC‑Q platform communication module lineup and is suitable for applications requiring 100BASE‑TX connectivity. Package includes the communication module only; cabling and accessories are sold separately. Ensure compatibility with your MELSEC‑Q backplane and firmware before deployment and follow proper grounding and shielding practices for industrial Ethernet environments.
Key Features
- •Ethernet communications for MELSEC‑Q PLCs, 100BASE‑TX interface, Integrates PLCs with SCADA and HMIs, Suitable for industrial Ethernet networks, Equivalent to model QJ71E71100
Buy Options
Condition, indicative price, stock, and lead time. Confirm current availability via RFQ.
ConditionPriceAvailabilityLead time
New
Price: $1,788
Availability: 22 in stock
Lead time: ~2 day lead
Never Used
Price: $1,553
Availability: 3 in stock
Lead time: ~6 day lead
Used
Price: $619.56
Availability: 164 in stock
Lead time: ~2 day lead
FNFP
Price: $2,352
Availability: 1 in stock
Lead time: ~9 day lead
Specifications
- Manufacturer
- MITSUBISHI
- Manufacturer Part Number
- QJ71E71-100
- Product Type
- Ethernet communication module
- Series
- MELSEC‑Q (QnU) series
- Communication Protocol
- Ethernet
- Interface Speed
- 100BASE‑TX
- Equivalent Model
- QJ71E71100
- Manufacturer Product Status
- Commercialized
- Part #
- QJ71E71-100
- Category
- PLCs/Machine Control
- Subcategory
- PLC Module/Rack
- Weight
- 0.20 lbs
Before we quote this part
Actual photos when available
Nameplate, condition, and visible wear can be shared before quote when stock photos are not enough.
Test notes for used units
Power-on or function test status is stated when available, with clear condition grading.
Trackable global shipping
DHL, FedEx, UPS, or forwarder options can be quoted with packing photos and tracking details.
Clear DOA boundary
For tested units, quote terms can include 7-day DOA support unless otherwise stated.
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We are not an authorized distributor, reseller, or representative of Siemens, Mitsubishi, Omron, or other manufacturers listed on this site. All product names, trademarks, brands, and logos are the property of their respective owners. Products may be used, refurbished, surplus, or sourced from the secondary market unless otherwise stated.
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FAQ
Q: What Ethernet speed/interface does it support?
A: It supports Ethernet 100BASE‑TX.
Q: Is QJ71E71-100 the same as QJ71E71100?
A: The manufacturer lists it as equivalent to QJ71E71100.
Q: Does the package include cables or accessories?
A: No, the module only; accessories are sold separately.
Q: Can it be used for SCADA and HMI integration?
A: Yes, it enables Ethernet communication with SCADA and HMI systems.