Home / Mitsubishi Electric (Factory Automation) / Mitsubishi MELSEC network modules – CC-Link IE Control / Q81BD-J71GP21-SX Mitsubishi MELSEC network modules Network interface boards

Available on request

Q81BD-J71GP21-SX Mitsubishi MELSEC network modules Network interface boards

MPN: Q81BD-J71GP21-SX · 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 network modules – CC-Link IE Control
Lifecycle	Active mature
Warranty	12-month (new) · 3-month (used/refurbished)

Shipping & availability

When can Q81BD-J71GP21-SX be shipped?

Q81BD-J71GP21-SX 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 Q81BD-J71GP21-SX 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 Q81BD-J71GP21-SX 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 Q81BD-J71GP21-SX, subject to availability and destination.

The Mitsubishi Electric Q81BD-J71GP21-SX is a network interface boards in the MELSEC network modules. CC-Link IE Controller Network (fiber-optic cable), control/normal station, PCI Express ® slot, Japanese/English OS supported. Mitsubishi Electric has announced its discontinuation (2027/03 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 network modules
Category	Network interface boards
Type	Optical fiber cable
Subtype	Control/normal station
Sales status	2027/03 To be end of order (Mitsubishi Electric)
Outline	CC-Link IE Controller Network (fiber-optic cable), control/normal station, PCI Express ® slot, Japanese/English OS supported

Specifications

Maximum number of link points per network: LB	32K points (32768 points, 4K bytes)
Maximum number of link points per network: LW	128K points (131072 points, 256K bytes)
Maximum number of link points per network: LX	8K points (8192 points, 1K bytes)
Maximum number of link points per network: LY	8K points (8192 points, 1K bytes)
Maximum number of link points per station: LB	Normal: 16K points (16384 points, 2K bytes) Extended mode: 32K points (32768 points, 4K bytes)
Maximum number of link points per station: LW	Normal: 16K points ( 16384 points, 32K bytes) Extended mode: 128K points (131072 points, 256K bytes)
Maximum number of link points per station: LX	8K points (8192 points, 1K bytes)
Maximum number of link points per station: LY	8K points (8192 points, 1K bytes)
Transient transmission capacity	Maximum 1920 bytes
Communication speed	1 Gbps
Communication cable	Optical fiber cable which satisfies 1000BASE-SX standard: Multi-mode optical fiber (GI)
Connector specifications	Duplex LC connector
Laser class (IEC 60825-1)	Class 1 laser product
Overall cable distance	66000 m (when 120 stations are connected)
Maximum station-to-station distance	550 m
Maximum number of connectable stations	120 stations (control station: 1, normal station: 119)
Maximum number of networks	239
Maximum number of groups	32
Communication method	Token ring
Network topology	Duplex loop
Number of installable boards	Maximum 4 boards
Installation slot	PCI Express ® X1, X2, X4, X8, X16 slot (half size)
Number of occupied slots	1
Internal current consumption (3.3 V DC)	2.07 A
Weight	0.13 kg

Specifications

Operating ambient temperature	0...55 ˚C
Storage ambient temperature	-25...75 ˚C
Operating ambient humidity	5...95 %RH, non-condensing
Storage ambient humidity	5...95 %RH, non-condensing
Vibration resistance: IEC 61131-2: 2007 and JIS B 3502: 2011: Under intermittent vibration	Frequency: 5...8.4 Hz, Half amplitude: 3.5 mm Frequency: 8.4...150 Hz, Constant acceleration: 9.8 m/s 2 Sweep count: 10 times each in X, Y, and Z directions
Vibration resistance: IEC 61131-2: 2007 and JIS B 3502: 2011: Under continuous vibration	Frequency: 5...8.4 Hz, Half amplitude: 1.75 mm Frequency: 8.4...150 Hz, Constant acceleration: 4.9 m/s 2
Shock resistance: IEC 61131-2: 2007 and JIS B 3502: 2011	147 m/s 2 , 3 shocks in each direction per axis, on 3 mutually perpendicular axes (total of 18 shocks)
Operating atmosphere	No corrosive gases
Operating altitude	0...2000 m
Installation location	Inside a control panel
Overvoltage category	II or less
Pollution degree	2 or less

Downloads & documentation

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

Data sheets & manuals

Model Q80BD/Q81BD CC-Link IE Controller Network Interface Board User's Manual (SH-080691ENG-AI)	PDF · 2.30MB
MELSEC Data Link Library Reference Manual (SH-081035ENG-W)	PDF · 1.67MB
Before Using the Product (BCN-P5825)	PDF · 0.13MB
CC-Link IE Controller Network Q80BD-J71GP21-SX/Q81BD-J71GP21-SX Driver Development Reference Manual (SH-080819ENG-C)	PDF · 1.56MB

12-month warrantyon all new stock

3-month warrantyon used & refurbished parts

30-day returnsno restocking fee on unused parts

Global shippingFast, tracked delivery worldwide