Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC-L Series – Network / LJ71E71-100 Mitsubishi MELSEC-L Series Ethernet

Available on request

LJ71E71-100 Mitsubishi MELSEC-L Series Ethernet

MPN: LJ71E71-100 · Brand: Mitsubishi Electric (Factory Automation)

Price on request

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12-month warranty (new) · 3-month (used/refurbished)

30-day returns, no restocking fee on unused parts

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Quick facts

Availability	Confirmed on request
Category	Mitsubishi MELSEC-L Series – Network
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can LJ71E71-100 be shipped?

LJ71E71-100 is sourced on request — request a quote and we'll confirm the exact availability and shipping timeline for this specific unit.

Can I pick up LJ71E71-100 in person?

Local pickup from our Groningen, Netherlands warehouse may be possible — contact us before ordering to check availability and arrange a collection time.

Is express delivery available?

Yes — mention it when you request a quote for LJ71E71-100 and we'll include express shipping options in our reply.

My factory is down and I need this urgently — can you help?

For a critical breakdown, contact us directly at +31 (0)50-7110348 or sales@partnerplc.com — we can look into same-day courier or dedicated taxi/hotshot delivery for LJ71E71-100, subject to availability and destination.

The Mitsubishi Electric LJ71E71-100 is a ethernet in the MELSEC-L Series. 10BASE-T/100BASE-TX. Mitsubishi Electric has announced its discontinuation (2027/09 To be end of order) — plan spares now; PartnerPLC also sources it on the surplus market after the end of order. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC-L Series
Category	Ethernet
Sales status	2027/09 To be end of order (Mitsubishi Electric)
Outline	10BASE-T/100BASE-TX

Specifications

Transmission specifications: Type	100BASE-TX/10BASE-T
Transmission specifications: Data transmission speed	100 Mbps/10 Mbps
Transmission specifications: Flow control	100BASE-TX: IEEE802.3(Full-duplex), Back pressure congestion control(Half-duplex) 10BASE-T: Back pressure congestion control(Half-duplex)
Transmission specifications: Communication mode	100BASE-TX: Full-duplex/half-duplex 10BASE-T: Half-duplex
Transmission specifications: Interface	RJ45 (AUTO MDI/MDI-X)
Transmission specifications: Transmission method	Base band
Transmission specifications: Maximum segment length	100 m (length between hub and node)
Sending/receiving data storage memory: Number of simultaneously open connections	16 connections (connections usable on a program)
Sending/receiving data storage memory: Fixed buffer	1K words × 16
Sending/receiving data storage memory: Random access buffer	6K words × 1
Sending/receiving data storage memory: E-mail: Attached file	6K words × 1
Sending/receiving data storage memory: E-mail: Main text	960 words × 1
Number of occupied I/O points	32 points (I/O assignment: Intelligent 32 points)
Internal current consumption (5 V DC)	0.60 A
External dimensions: Height	90 mm
External dimensions: Width	28.5 mm
External dimensions: Depth	95 mm
Weight	0.18 kg

Specifications

General specifications

Refer to the general specifications of the CPU module.

Downloads & documentation

Official documents from Mitsubishi Electric (Factory Automation), downloaded directly from the manufacturer.

Data sheets & manuals

MELSEC-L Ethernet Interface Module User's Manual (Basic) (SH-081105ENG-G)	PDF · 7.32MB
MELSEC-Q/L Ethernet Interface Module User's Manual (Application) (SH-080010-R)	PDF · 4.51MB
MELSEC-Q/L Ethernet Interface Module User's Manual (Web function) (SH-080180-H)	PDF · 2.06MB
MELSEC Communication Protocol Reference Manual (SH-080008-AB)	PDF · 6.70MB
Before Using the Product (BCN-P5964E-E)	PDF · 0.14MB