Mitsubishi Electric

Mitsubishi Electric Q80BD-J71LP21-25 MELSECNET/H PCI Interface Board

SKU Q80BD-J71LP21-25

In stock
  • 12-month warranty
  • Free returns within 30 days
  • Manufacturer: Mitsubishi Electric
  • Product No.: Q80BD-J71LP21-25
  • Origin United States
  • Product Type: PCI Communication Boards
  • Payment: T/T, Western Union
  • Weight: 1.0 kg
  • Shipping port: Xiamen
  • Warranty: 12 months

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Product Description

Description

Integrating industrial PCs directly into high-speed, deterministic control networks, the Mitsubishi Electric Q80BD-J71LP21-25 serves as a dedicated optical loop network interface board designed to install into half-size PCI expansion slots. This interface card facilitates seamless real-time data exchange between a host computer and a MELSECNET/H or legacy MELSECNET/10 PLC network, offering reliable dual-loop fiber optic communication. Operating at up to 25 Mbps, it supports large-capacity cyclic transmission and transient transmission, ensuring that supervisory systems receive high-resolution field data with minimal latency.

Key Features

  • Dual-Loop Redundancy: Employs a double-loop topology with automatic loopback execution to preserve network integrity in the event of a single fiber break.
  • High-Speed Communication: Selectable transmission speeds of 25 Mbps or 10 Mbps to match legacy or high-performance network segments.
  • Substantial Link Points: Supports up to 8,192 Link Relay (LX/LY) points and up to 16,384 Link Register (LW) points for handling complex control system architectures.
  • Flexible Distance Support: Achieves inter-station distances of up to 1 km using high-bandwidth broadband H-PCF or QSI fiber optic cables.
  • Standard Form Factor: Designed as a half-size PCI card, occupying a single slot inside standard industrial PC enclosures.

Applications

  • Main SCADA and Human-Machine Interface (HMI) PC connections to factory floor networks.
  • High-density data logging, manufacturing execution systems (MES), and analytics integration.
  • Redundant infrastructure monitoring in water treatment, energy, and automotive assembly facilities.
  • Linking distributed Mitsubishi Q-Series PLC systems with industrial server nodes.

Technical Specifications

Parameter Value
Manufacturer Mitsubishi Electric
Model Number Q80BD-J71LP21-25
Network Type MELSECNET/H (Optical Loop), MELSECNET/10 compatible
Transmission Rate 25 Mbps / 10 Mbps (selectable)
Interface Slot Type PCI Slot (half-size), occupies 1 slot
Maximum Connected Stations 64 stations (1 management station, up to 63 normal stations)
Optical Fiber Connector Type Duplex optical connector (F06 / F08 equivalent, JIS C 5975/5977 compliant)
Internal Current Consumption (5 VDC) 0.46 A
Operating Ambient Temperature 0 to 55 degC
Storage Ambient Temperature -25 to 75 degC
Vibration Resistance Compliant with JIS B 3502, IEC 61131-2
Impact Resistance 147 m/s2 (3 times in X, Y, Z directions)
Net Board Mass 0.10 kg
Shipping Weight (Calculated) 1.0 kg
Country of Origin Japan

Connections and Interfaces

Connector Port Function / Assignment
IN Port Receives optical data from the previous network node (RX fiber)
OUT Port Transmits optical data to the subsequent network node (TX fiber)
Gold-Plated PCI Edge Standard 32-bit PCI bus interface for host computer communication and 5VDC power

Empirical Engineering Insights

Alternative Models & Compatibility

The Q80BD-J71LP21-25 serves as a direct upgrade over older legacy interface solutions. When executing a migration, ensure that software structures configured for the legacy MELSECNET/10 protocol are either run in compatibility mode or mapped correctly to the extended register space available in MELSECNET/H extended mode, which increases total network capacity to 35,840 bytes.

Application Pitfalls & Engineering Notes

A common failure point in industrial PC integrations is PCI bus power sagging. This board draws 0.46 A strictly from the host motherboard's 5V rail. If the host backplane or power supply exhibits voltage drops under heavy processing loads, the board can experience spontaneous dropouts or diagnostic status register resets. Always verify that the host IPC power supply unit maintains a stable 5V rail within a +/- 5% tolerance.

Commissioning & Wiring Tips

To guarantee optimal performance at 25 Mbps, the maximum optical fiber run between stations must not exceed 200 meters when utilizing standard SI fiber. If distances up to 1 km are required, use QSI or high-bandwidth broadband H-PCF fibers. Always perform a physical loopback test during commissioning with a known good patch cable to isolate whether configuration issues originate in the local PC card setup or the external fiber network loop.

Installation Guidelines

CRITICAL WARNING: SAFETY AND STATIC ELECTRICITY HAZARDS

This communication board contains highly sensitive electrostatic discharge (ESD) components. Completely isolate the host computer from the mains power grid and discharge all residual capacitive charges prior to opening the chassis. Always wear a grounded wrist strap when handling the card to prevent catastrophic gate oxide damage.

1

Power down the host industrial computer, unplug the power cord, and remove the external chassis cover to expose the PCI slots.

2

Identify an empty, half-size compatible 32-bit PCI slot. Remove the corresponding blank backplate from the chassis frame.

3

Align the gold-plated edge connector of the card with the PCI slot, push down firmly until seated, and secure the bracket with the retention screw.

4

Remove the protective dust covers from the optical transceiver ports. Connect the incoming fiber optic line to the IN port and the outgoing fiber line to the OUT port, verifying the alignment pins click securely into place.

5

Close the PC chassis, apply power, and initiate the Mitsubishi channel utility software to configure station numbers and transmission modes.

Shipping & Returns

Global Express Shipping

  • Standard Delivery: 4–6 business days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our technical warranty.
FAQ
Can this card run in legacy MELSECNET/10 operating mode?
Yes. It supports dedicated MELSECNET/10 backward compatibility modes, which can be configured via the utility software tool.
What is the maximum distance supported between two network stations?
Using standard SI fiber optic cable at 25 Mbps, the maximum distance is 200 meters. This can be extended up to 1 km when using high-performance broadband H-PCF or QSI fiber.
What power rail does the interface board draw from and what is its consumption?
The card draws power directly from the host PC's 5 VDC PCI slot, consuming 0.46 A under standard operating parameters.
Does this card require special optical fiber connectors?
Yes, it requires 2-core optical connector plugs equivalent to F06 or F08 types, conforming to JIS C 5975/5977 standards.
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Q80BD-J71LP21-25

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Mitsubishi Electric Q80BD-J71LP21-25 MELSECNET/H PCI Interface Board

Only 10 item(s) left in stock
  • Manufacturer: Mitsubishi Electric

  • Product No.: Q80BD-J71LP21-25

  • Country of origin:United States

  • Product Type: PCI Communication Boards

  • Payment: T/T, Western Union

  • Weight: 1000g

  • Shipping port: Xiamen

  • Warranty: 12 months

Quantity
View full details

Description

Integrating industrial PCs directly into high-speed, deterministic control networks, the Mitsubishi Electric Q80BD-J71LP21-25 serves as a dedicated optical loop network interface board designed to install into half-size PCI expansion slots. This interface card facilitates seamless real-time data exchange between a host computer and a MELSECNET/H or legacy MELSECNET/10 PLC network, offering reliable dual-loop fiber optic communication. Operating at up to 25 Mbps, it supports large-capacity cyclic transmission and transient transmission, ensuring that supervisory systems receive high-resolution field data with minimal latency.

Key Features

  • Dual-Loop Redundancy: Employs a double-loop topology with automatic loopback execution to preserve network integrity in the event of a single fiber break.
  • High-Speed Communication: Selectable transmission speeds of 25 Mbps or 10 Mbps to match legacy or high-performance network segments.
  • Substantial Link Points: Supports up to 8,192 Link Relay (LX/LY) points and up to 16,384 Link Register (LW) points for handling complex control system architectures.
  • Flexible Distance Support: Achieves inter-station distances of up to 1 km using high-bandwidth broadband H-PCF or QSI fiber optic cables.
  • Standard Form Factor: Designed as a half-size PCI card, occupying a single slot inside standard industrial PC enclosures.

Applications

  • Main SCADA and Human-Machine Interface (HMI) PC connections to factory floor networks.
  • High-density data logging, manufacturing execution systems (MES), and analytics integration.
  • Redundant infrastructure monitoring in water treatment, energy, and automotive assembly facilities.
  • Linking distributed Mitsubishi Q-Series PLC systems with industrial server nodes.

Technical Specifications

Parameter Value
Manufacturer Mitsubishi Electric
Model Number Q80BD-J71LP21-25
Network Type MELSECNET/H (Optical Loop), MELSECNET/10 compatible
Transmission Rate 25 Mbps / 10 Mbps (selectable)
Interface Slot Type PCI Slot (half-size), occupies 1 slot
Maximum Connected Stations 64 stations (1 management station, up to 63 normal stations)
Optical Fiber Connector Type Duplex optical connector (F06 / F08 equivalent, JIS C 5975/5977 compliant)
Internal Current Consumption (5 VDC) 0.46 A
Operating Ambient Temperature 0 to 55 degC
Storage Ambient Temperature -25 to 75 degC
Vibration Resistance Compliant with JIS B 3502, IEC 61131-2
Impact Resistance 147 m/s2 (3 times in X, Y, Z directions)
Net Board Mass 0.10 kg
Shipping Weight (Calculated) 1.0 kg
Country of Origin Japan

Connections and Interfaces

Connector Port Function / Assignment
IN Port Receives optical data from the previous network node (RX fiber)
OUT Port Transmits optical data to the subsequent network node (TX fiber)
Gold-Plated PCI Edge Standard 32-bit PCI bus interface for host computer communication and 5VDC power

Empirical Engineering Insights

Alternative Models & Compatibility

The Q80BD-J71LP21-25 serves as a direct upgrade over older legacy interface solutions. When executing a migration, ensure that software structures configured for the legacy MELSECNET/10 protocol are either run in compatibility mode or mapped correctly to the extended register space available in MELSECNET/H extended mode, which increases total network capacity to 35,840 bytes.

Application Pitfalls & Engineering Notes

A common failure point in industrial PC integrations is PCI bus power sagging. This board draws 0.46 A strictly from the host motherboard's 5V rail. If the host backplane or power supply exhibits voltage drops under heavy processing loads, the board can experience spontaneous dropouts or diagnostic status register resets. Always verify that the host IPC power supply unit maintains a stable 5V rail within a +/- 5% tolerance.

Commissioning & Wiring Tips

To guarantee optimal performance at 25 Mbps, the maximum optical fiber run between stations must not exceed 200 meters when utilizing standard SI fiber. If distances up to 1 km are required, use QSI or high-bandwidth broadband H-PCF fibers. Always perform a physical loopback test during commissioning with a known good patch cable to isolate whether configuration issues originate in the local PC card setup or the external fiber network loop.

Installation Guidelines

CRITICAL WARNING: SAFETY AND STATIC ELECTRICITY HAZARDS

This communication board contains highly sensitive electrostatic discharge (ESD) components. Completely isolate the host computer from the mains power grid and discharge all residual capacitive charges prior to opening the chassis. Always wear a grounded wrist strap when handling the card to prevent catastrophic gate oxide damage.

1

Power down the host industrial computer, unplug the power cord, and remove the external chassis cover to expose the PCI slots.

2

Identify an empty, half-size compatible 32-bit PCI slot. Remove the corresponding blank backplate from the chassis frame.

3

Align the gold-plated edge connector of the card with the PCI slot, push down firmly until seated, and secure the bracket with the retention screw.

4

Remove the protective dust covers from the optical transceiver ports. Connect the incoming fiber optic line to the IN port and the outgoing fiber line to the OUT port, verifying the alignment pins click securely into place.

5

Close the PC chassis, apply power, and initiate the Mitsubishi channel utility software to configure station numbers and transmission modes.

Can this card run in legacy MELSECNET/10 operating mode?

Yes. It supports dedicated MELSECNET/10 backward compatibility modes, which can be configured via the utility software tool.

What is the maximum distance supported between two network stations?

Using standard SI fiber optic cable at 25 Mbps, the maximum distance is 200 meters. This can be extended up to 1 km when using high-performance broadband H-PCF or QSI fiber.

What power rail does the interface board draw from and what is its consumption?

The card draws power directly from the host PC's 5 VDC PCI slot, consuming 0.46 A under standard operating parameters.

Does this card require special optical fiber connectors?

Yes, it requires 2-core optical connector plugs equivalent to F06 or F08 types, conforming to JIS C 5975/5977 standards.

Global Express Shipping

  • Standard Delivery: 4-6 Business Days via DHL, FedEx, and UPS.
  • Express Dispatch: Same-day dispatch for in-stock orders placed before 2:00 PM (GMT+8).
  • Worldwide Coverage: Serving over 150 countries, including rapid delivery to Saudi Arabia and UAE.

Returns & Warranty

  • 30-Day Guarantee: Returns accepted for in-stock products in original, factory-sealed packaging.
  • 12-Month Warranty: Every industrial component is backed by our professional technical warranty.

Orders are processed and delivered Monday-Friday (excluding public holidays).


For full eligibility, restocking fees, and international return details, please view our official Refund & Return Policy .

TECHNICAL SPECIFICATIONS

Country of origin
United States

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