Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC iQ-R Series – Information/network / RJ71LP21-25 Mitsubishi MELSEC iQ-R Series MELSECNET/H

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RJ71LP21-25 Mitsubishi MELSEC iQ-R Series MELSECNET/H

MPN: RJ71LP21-25 · Brand: Mitsubishi Electric (Factory Automation)

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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 iQ-R Series – Information/network
Lifecycle	Active
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can RJ71LP21-25 be shipped?

RJ71LP21-25 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 RJ71LP21-25 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 RJ71LP21-25 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 RJ71LP21-25, subject to availability and destination.

The Mitsubishi Electric RJ71LP21-25 is a MELSECNET/H in the MELSEC iQ-R Series. MELSECNET/H PLC to PLC network, control/normal station, optical loop system, connection cable: SI/H-PCF/broadband H-PCF/QSI optical cable, transmission path format: duplex loop. Specifications and manuals below are Mitsubishi Electric's own data.

Specifications

Product

Series	MELSEC iQ-R Series
Category	MELSECNET/H
Type	Optical loop (SI/QSI cable)
Outline	MELSECNET/H PLC to PLC network, control/normal station, optical loop system, connection cable: SI/H-PCF/broadband H-PCF/QSI optical cable, transmission path format: duplex loop

Specifications

Maximum number of link points per network: LB	16384 points (MELSECNET/10 mode: 8192 points)
Maximum number of link points per network: LW	16384 points (MELSECNET/10 mode: 8192 points)
Maximum number of link points per network: LX	8192 points
Maximum number of link points per network: LY	8192 points
Maximum number of link points per station: LB, LW, LX, LY	• MELSECNET/H mode, MELSECNET/10 mode: {(LY+LB)/8+(2×LW)}≦2000 bytes • MELSECNET/H Extended mode: {(LY+LB)/8+(2×LW)}≦35840 bytes
Communication speed	25 Mbps/10 Mbps (MELSECNET/10 mode: 10 Mbps)
Maximum number of connectable stations	64 stations (Control station: 1, Normal stations: 63)
Communication cable	SI optical cables, H-PCF optical cables, Broadband H-PCF optical cables, QSI optical cables, Broadband silica glass optical fiber cables
Applicable connector	2-core optical connector plug F06/F08 or equivalent (JIS C5975/5977 compliant)
Overall cable distance	30 km
Maximum station-to-station distance	The maximum station-to-station distance varies depending on the optical fiber cable used. SI optical fiber cable (Old type: A-2P-□) Type L: 200 m (25 Mbps), 500 m (10 Mbps) SI optical fiber cable (Old type: A-2P-□) Type H: 100 m (25 Mbps), 300 m (10 Mbps) SI optical fiber cable: 200 m (25 Mbps), 500 m (10 Mbps) H-PCF optical fiber cable: 400 m (25 Mbps), 1000 m (10 Mbps) Broadband H-PCF optical fi
Maximum number of networks	239
Maximum number of groups	32 (MELSECNET/10 mode: 9)
Network topology	Duplex loop
Communication method	Token ring
Transient transmission capacity	1920 bytes maximum (MELSECNET/10 mode: 960 bytes maximum)
Number of occupied I/O points	32 points
Internal current consumption (5 V DC)	0.48 A
External dimensions: Height	106 mm (base unit mounting side: 98 mm)
External dimensions: Width	27.8 mm
External dimensions: Depth	110 mm
Weight	0.15 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 iQ-R MELSECNET/H Network Module User's Manual (Startup) (SH-082202ENG-E)	PDF · 3.35MB
MELSEC iQ-R MELSECNET/H Network Module User's Manual (Application) (SH-082204ENG-E)	PDF · 17.01MB
MELSEC iQ-R Module Configuration Manual (SH-081262ENG-AU)	PDF · 44.18MB
MELSEC iQ-R Ethernet, CC-Link IE, and MELSECNET/H Function Block Reference (BCN-P5999-0381-V)	PDF · 6.89MB
Before Using the Product (BCN-P5999-1200E-A)	PDF · 0.12MB
Safety Guidelines (IB-0800525E-AC)	PDF · 11.79MB