Browse
Your Cart ()
cload

GUARANTEED SAFE & SECURE CHECKOUT

FREE SHIPPING ON ALL ORDERS!
Mitsubishi QJ71MB91 Modbus module, RS-485/RS-422 interfaces, Q Series PLC, master/slave support

Mitsubishi QJ71MB91

Your Price:
$400.00
Add to wishlist
Checkout Secure
Order in the next to get it by

10+ Available in Stock

  • Image of Free Shipping on All Orders

    Free Shipping on All Orders
  • Image of 1 Year Warranty

    We will beat any price

    1 Year Warranty
  • Image of Experts Aavaiable 7/24/365

    Free shipping

    Experts Aavaiable 7/24/365
  • Image of 30 days money-back

    30 days money-back

Mitsubishi QJ71MB91

Overview

The Mitsubishi QJ71MB91 is a Modbus master/slave communication module for MELSEC-Q Series PLCs. It supports RS-485 and RS-422 serial interfaces, enabling flexible connection with various Modbus-compatible devices. This module is perfect for industrial settings requiring robust and reliable data exchange over Modbus protocols.

Key Features

  • Supports Modbus RTU and ASCII

  • Operates as master or slave

  • RS-485/RS-422 communication interfaces

  • Easy parameter setting via GX Developer/GX Works

  • High-speed data exchange

  • DIN rail or Q Series rack mountable

  • LED indicators for diagnostics

  • Great for integrating third-party Modbus devices

Technical Specifications

  • Part Number: QJ71MB91

  • Manufacturer: Mitsubishi Electric

  • Series: MELSEC-Q

  • Protocols: Modbus RTU, Modbus ASCII

  • Communication Ports: RS-485/RS-422

  • Transmission Speed: Up to 115.2 kbps

  • Max Stations: 32 (RS-485 multipoint)

  • Operating Modes: Master/Slave

  • Power Supply: From base unit

  • Operating Temperature: 0 °C to +55 °C

  • Mounting: Q Series base rack

  • Configuration: Software-based (GX Developer/GX Works)

Applications

  • Third-party device integration

  • Remote terminal unit (RTU) communications

  • Building automation systems

  • Factory floor device control

  • Distributed sensor/actuator management

Why Choose the QJ71MB91

  • Facilitates Modbus network integration within Q Series PLCs

  • Offers versatile serial communication options

  • Simple configuration and diagnostics

  • Reliable Mitsubishi industrial-grade quality

  • Reduces wiring with RS-485 multi-drop support

Order Now

The Mitsubishi QJ71MB91 Modbus communication module is available and ready for international shipping.

Explore our full range of Mitsubishi MELSEC Programmable Controllers (PLC) to discover scalable automation solutions, from legacy MELSEC systems to next-generation PLCs designed for high performance, connectivity, and flexibility.

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.
1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.
Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.

Description

Mitsubishi QJ71MB91

Overview

The Mitsubishi QJ71MB91 is a Modbus master/slave communication module for MELSEC-Q Series PLCs. It supports RS-485 and RS-422 serial interfaces, enabling flexible connection with various Modbus-compatible devices. This module is perfect for industrial settings requiring robust and reliable data exchange over Modbus protocols.

Key Features

  • Supports Modbus RTU and ASCII

  • Operates as master or slave

  • RS-485/RS-422 communication interfaces

  • Easy parameter setting via GX Developer/GX Works

  • High-speed data exchange

  • DIN rail or Q Series rack mountable

  • LED indicators for diagnostics

  • Great for integrating third-party Modbus devices

Technical Specifications

  • Part Number: QJ71MB91

  • Manufacturer: Mitsubishi Electric

  • Series: MELSEC-Q

  • Protocols: Modbus RTU, Modbus ASCII

  • Communication Ports: RS-485/RS-422

  • Transmission Speed: Up to 115.2 kbps

  • Max Stations: 32 (RS-485 multipoint)

  • Operating Modes: Master/Slave

  • Power Supply: From base unit

  • Operating Temperature: 0 °C to +55 °C

  • Mounting: Q Series base rack

  • Configuration: Software-based (GX Developer/GX Works)

Applications

  • Third-party device integration

  • Remote terminal unit (RTU) communications

  • Building automation systems

  • Factory floor device control

  • Distributed sensor/actuator management

Why Choose the QJ71MB91

  • Facilitates Modbus network integration within Q Series PLCs

  • Offers versatile serial communication options

  • Simple configuration and diagnostics

  • Reliable Mitsubishi industrial-grade quality

  • Reduces wiring with RS-485 multi-drop support

Order Now

The Mitsubishi QJ71MB91 Modbus communication module is available and ready for international shipping.

Explore our full range of Mitsubishi MELSEC Programmable Controllers (PLC) to discover scalable automation solutions, from legacy MELSEC systems to next-generation PLCs designed for high performance, connectivity, and flexibility.

Condition

New & Genuine Products – Factory Sealed At PLCpartssolution, all our products are 100% new, genuine, and come in original factory-sealed packaging. We guarantee authentic components that meet the highest industry standards for performance and reliability.

Warranty

1-Year Warranty Included All new products sold by PLCpartssolution come with a 1-year warranty. We stand behind the quality and reliability of our parts, ensuring coverage against manufacturing defects under normal operating conditions.

Disclaimer

Disclaimer: PLCpartssolution is an independent supplier of surplus and refurbished industrial automation products. We are not an authorized distributor, reseller, or representative of the brands listed on this website. All trademarks, brand names, and logos are the property of their respective owners. PLCpartssolution is not affiliated with, endorsed by, or approved by ABB, Fanuc, B&R, Rockwell Automation, Schneider Electric, Siemens, or any other manufacturers mentioned.
Mitsubishi QJ71MB91

Mitsubishi QJ71MB91

$400.00
Add to wishlist
Mitsubishi QJ71MB91

Mitsubishi QJ71MB91

Your Price:
$400.00
Item Added to Your Cart
Customers also bought...
1769-L19ER-BB1B Allen Bradley CompactLogix 5370 Controller, 1MB 1769-L19ER-BB1B Allen Bradley CompactLogix 5370 Controller, 1MB
$2,334.00
20F11NC022JA0NNNNN Allen-Bradley PowerFlex 753 AC Drive, 400VAC, 20F11NC022JA0NNNNN Allen-Bradley PowerFlex 753 AC Drive, 400VAC,
$1,590.00
2711P-T6C22D8S Allen-Bradley PanelView Plus 7 Standard Terminal – 2711P-T6C22D8S Allen-Bradley PanelView Plus 7 Standard Terminal –
$1,870.00
Reliable ABB docking station for IRC5, offering secure and durable mounting for FlexPendant. 3HAC026787-002
$2,219.00
ABB – robot automation component 3HAC7998-1 – ABB
$372.00
ABB 5SDD0135Z0401 high-power semiconductor diode – efficient solution for industrial rectifier applications 5SDD0135Z0401 ABB Welding Diodes
$298.00
Siemens 6GK5008-0BA10-1AB2 SCALANCE XB008 unmanaged Ethernet switch, 8 ports, DIN rail, 10/100 Mbps. 6GK5008-0BA10-1AB2
$361.00
8M-A-PS-24V-E-0.3-M8D | High-Precision Industrial Sensor 8M-A-PS-24V-E-0.3-M8D | High-Precision Industrial Sensor
$67.00
Siemens 6GK1901-0DB20-6AA8 RJ45 plug 180°, Industrial Ethernet Cat5e, tool-free IDC assembly, IP20, PROFINET compatible for field cabling. 8PCS Siemens 6GK1901-0DB20-6AA8
$420.00
FANUC A06B-0212-B700#0100 AC servo motor for CNC machining and automation systems A06B-0212-B700#0100
$4,800.00
FANUC A06B-6290-H209 servo amplifier drive for CNC automation A06B-6290-H209
$6,030.00
ABB 1SAE231111R0640 | Digital Output Module ABB 1SAE231111R0640 | Digital Output Module
$123.00
ABB 1SAE351111R0640 | Current Transformer ABB 1SAE351111R0640 | Current Transformer
$299.00
ABB 1SVR427032R0000 | Control Circuit Transformer ABB 1SVR427032R0000 | Control Circuit Transformer
$554.00
ABB 1SVR550824R9100 | Contactor Module ABB 1SVR550824R9100 | Contactor Module
$378.00
ABB 1SVR730712R1200 | Contactor ABB 1SVR730712R1200 | Contactor
$803.00
ABB 1SVR730712R1400 | Compact Circuit Breaker, 16A, 2P, Type C, ABB 1SVR730712R1400 | Compact Circuit Breaker, 16A, 2P, Type C,
$867.00
ABB 1SVR730830R0400 | Electronic Timer Relay ABB 1SVR730830R0400 | Electronic Timer Relay
$598.00
ABB 1SVR750660R0200 | CR-P/M 24VDC Pluggable Relay Module ABB 1SVR750660R0200 | CR-P/M 24VDC Pluggable Relay Module
$2,113.00
ABB 2CCA703000R0001 | Contactor ABB 2CCA703000R0001 | Contactor
$204.00
ABB 2TLA010029R0000 ABB 2TLA010029R0000
$800.00
ABB 2TLA010050R0100 | Industrial Control and Automation Product ABB 2TLA010050R0100 | Industrial Control and Automation Product
$759.00
ABB 2TLA020046R0800 EVA actuator for use with Adam DYN/OSSD sensors in the Eden safety sensor system, featuring IP69K protection. ABB 2TLA020046R0800
$138.00
ABB 2TLA020051R5400 ABB 2TLA020051R5400
$289.00
ABB 2TLA020070R1700 | Auxiliary Contact for Circuit Breakers ABB 2TLA020070R1700 | Auxiliary Contact for Circuit Breakers
$6,047.00
ABB 3BSE008512R1 | Industrial Automation Module ABB 3BSE008512R1 | Industrial Automation Module
$2,313.00
ABB 3HAC020967-001 robot automation component ABB 3HAC020967-001
$879.00
ABB 3HAC021127-004 robot automation component ABB 3HAC021127-004
$9,382.00
ABB 3HAC021456-001 emergency stop unit for IRC5 ensuring safe robotic tasks. ABB 3HAC021456-001
$4,682.00
ABB docking station for IRC5 FlexPendant with secure mounting and charging features. ABB 3HAC021457-001
$2,549.00
ABB 3HAC022286-001 robot automation component ABB 3HAC022286-001
$1,491.00
ABB 3HAC023195-001 robot automation component ABB 3HAC023195-001
$2,098.00
ABB 3HAC023195-003 robot automation component ABB 3HAC023195-003
$441.00
ABB 3HAC023195-009 robot automation component ABB 3HAC023195-009
$1,428.00
ABB FlexPendant holder securely mounts to IRC5 controller, enhancing accessibility in automation setups. ABB 3HAC023754-001
$629.00
ABB 3HAC024385-001 FlexPendant cable for IRC5 with durable, shielded design ensuring reliable connection. ABB 3HAC024385-001
$3,429.00
ABB 3HAC024386-001 Stop Unit for IRC5 FlexPendant ensuring dependable robot safety management. ABB 3HAC024386-001
$3,592.00
ABB 3HAC024488-001 robot automation component ABB 3HAC024488-001
$1,828.00
ABB 3HAC025097-001 E-Stop for IRC5 FlexPendant ensuring safe robot halt operation. ABB 3HAC025097-001
$2,529.00
ABB 3HAC025338-006 connection cable for IRC5 with a robust, flexible design ensuring effective communication. ABB 3HAC025338-006
$6,825.00
ABB 3HAC025562-001 robot automation component ABB 3HAC025562-001
$1,121.00
Secure ABB 3HAC025724-001 FlexPendant holder for IRC5, offering durable and efficient mounting solution. ABB 3HAC025724-001
$8,029.00
ABB 3HAC025784-001 robot automation component ABB 3HAC025784-001
$829.00
ABB 3HAC025917-001 FlexPendant teach pendant with touchscreen and USB, for IRC5 robot control and industrial programming. ABB 3HAC025917-001
$589.00
ABB 3HAC025917-001 robot automation component ABB 3HAC025917-001
$529.00
ABB 3HAC026253-001 robot automation component ABB 3HAC026253-001
$1,893.00
Original FlexPendant cable for secure connection and stable data communication with IRC5 controller. ABB 3HAC026254-001
$928.00
ABB 3HAC026787-001 FlexPendant station for IRC5 controller, ensuring secure, tidy docking. ABB 3HAC026787-001
$1,428.00
ABB 3HAC028357-001 robot automation component ABB 3HAC028357-001
$2,227.00
ABB 3HAC028357-001 joystick for FlexPendant, manual robot control component. ABB 3HAC028357-001 DSQC679
$2,320.00

Related Products

3 visitors right now
3 visitors have this item in their cart right now
3 people have bought this item
3 % of people buy 2 or more

Recently viewed products

Item Added to Your Cart
Customers also bought...
1769-L19ER-BB1B Allen Bradley CompactLogix 5370 Controller, 1MB 1769-L19ER-BB1B Allen Bradley CompactLogix 5370 Controller, 1MB
$2,334.00
20F11NC022JA0NNNNN Allen-Bradley PowerFlex 753 AC Drive, 400VAC, 20F11NC022JA0NNNNN Allen-Bradley PowerFlex 753 AC Drive, 400VAC,
$1,590.00
2711P-T6C22D8S Allen-Bradley PanelView Plus 7 Standard Terminal – 2711P-T6C22D8S Allen-Bradley PanelView Plus 7 Standard Terminal –
$1,870.00
Reliable ABB docking station for IRC5, offering secure and durable mounting for FlexPendant. 3HAC026787-002
$2,219.00
ABB – robot automation component 3HAC7998-1 – ABB
$372.00
ABB 5SDD0135Z0401 high-power semiconductor diode – efficient solution for industrial rectifier applications 5SDD0135Z0401 ABB Welding Diodes
$298.00
Siemens 6GK5008-0BA10-1AB2 SCALANCE XB008 unmanaged Ethernet switch, 8 ports, DIN rail, 10/100 Mbps. 6GK5008-0BA10-1AB2
$361.00
8M-A-PS-24V-E-0.3-M8D | High-Precision Industrial Sensor 8M-A-PS-24V-E-0.3-M8D | High-Precision Industrial Sensor
$67.00
Siemens 6GK1901-0DB20-6AA8 RJ45 plug 180°, Industrial Ethernet Cat5e, tool-free IDC assembly, IP20, PROFINET compatible for field cabling. 8PCS Siemens 6GK1901-0DB20-6AA8
$420.00
FANUC A06B-0212-B700#0100 AC servo motor for CNC machining and automation systems A06B-0212-B700#0100
$4,800.00
FANUC A06B-6290-H209 servo amplifier drive for CNC automation A06B-6290-H209
$6,030.00
ABB 1SAE231111R0640 | Digital Output Module ABB 1SAE231111R0640 | Digital Output Module
$123.00
ABB 1SAE351111R0640 | Current Transformer ABB 1SAE351111R0640 | Current Transformer
$299.00
ABB 1SVR427032R0000 | Control Circuit Transformer ABB 1SVR427032R0000 | Control Circuit Transformer
$554.00
ABB 1SVR550824R9100 | Contactor Module ABB 1SVR550824R9100 | Contactor Module
$378.00
ABB 1SVR730712R1200 | Contactor ABB 1SVR730712R1200 | Contactor
$803.00
ABB 1SVR730712R1400 | Compact Circuit Breaker, 16A, 2P, Type C, ABB 1SVR730712R1400 | Compact Circuit Breaker, 16A, 2P, Type C,
$867.00
ABB 1SVR730830R0400 | Electronic Timer Relay ABB 1SVR730830R0400 | Electronic Timer Relay
$598.00
ABB 1SVR750660R0200 | CR-P/M 24VDC Pluggable Relay Module ABB 1SVR750660R0200 | CR-P/M 24VDC Pluggable Relay Module
$2,113.00
ABB 2CCA703000R0001 | Contactor ABB 2CCA703000R0001 | Contactor
$204.00
ABB 2TLA010029R0000 ABB 2TLA010029R0000
$800.00
ABB 2TLA010050R0100 | Industrial Control and Automation Product ABB 2TLA010050R0100 | Industrial Control and Automation Product
$759.00
ABB 2TLA020046R0800 EVA actuator for use with Adam DYN/OSSD sensors in the Eden safety sensor system, featuring IP69K protection. ABB 2TLA020046R0800
$138.00
ABB 2TLA020051R5400 ABB 2TLA020051R5400
$289.00
ABB 2TLA020070R1700 | Auxiliary Contact for Circuit Breakers ABB 2TLA020070R1700 | Auxiliary Contact for Circuit Breakers
$6,047.00
ABB 3BSE008512R1 | Industrial Automation Module ABB 3BSE008512R1 | Industrial Automation Module
$2,313.00
ABB 3HAC020967-001 robot automation component ABB 3HAC020967-001
$879.00
ABB 3HAC021127-004 robot automation component ABB 3HAC021127-004
$9,382.00
ABB 3HAC021456-001 emergency stop unit for IRC5 ensuring safe robotic tasks. ABB 3HAC021456-001
$4,682.00
ABB docking station for IRC5 FlexPendant with secure mounting and charging features. ABB 3HAC021457-001
$2,549.00
ABB 3HAC022286-001 robot automation component ABB 3HAC022286-001
$1,491.00
ABB 3HAC023195-001 robot automation component ABB 3HAC023195-001
$2,098.00
ABB 3HAC023195-003 robot automation component ABB 3HAC023195-003
$441.00
ABB 3HAC023195-009 robot automation component ABB 3HAC023195-009
$1,428.00
ABB FlexPendant holder securely mounts to IRC5 controller, enhancing accessibility in automation setups. ABB 3HAC023754-001
$629.00
ABB 3HAC024385-001 FlexPendant cable for IRC5 with durable, shielded design ensuring reliable connection. ABB 3HAC024385-001
$3,429.00
ABB 3HAC024386-001 Stop Unit for IRC5 FlexPendant ensuring dependable robot safety management. ABB 3HAC024386-001
$3,592.00
ABB 3HAC024488-001 robot automation component ABB 3HAC024488-001
$1,828.00
ABB 3HAC025097-001 E-Stop for IRC5 FlexPendant ensuring safe robot halt operation. ABB 3HAC025097-001
$2,529.00
ABB 3HAC025338-006 connection cable for IRC5 with a robust, flexible design ensuring effective communication. ABB 3HAC025338-006
$6,825.00
ABB 3HAC025562-001 robot automation component ABB 3HAC025562-001
$1,121.00
Secure ABB 3HAC025724-001 FlexPendant holder for IRC5, offering durable and efficient mounting solution. ABB 3HAC025724-001
$8,029.00
ABB 3HAC025784-001 robot automation component ABB 3HAC025784-001
$829.00
ABB 3HAC025917-001 FlexPendant teach pendant with touchscreen and USB, for IRC5 robot control and industrial programming. ABB 3HAC025917-001
$589.00
ABB 3HAC025917-001 robot automation component ABB 3HAC025917-001
$529.00
ABB 3HAC026253-001 robot automation component ABB 3HAC026253-001
$1,893.00
Original FlexPendant cable for secure connection and stable data communication with IRC5 controller. ABB 3HAC026254-001
$928.00
ABB 3HAC026787-001 FlexPendant station for IRC5 controller, ensuring secure, tidy docking. ABB 3HAC026787-001
$1,428.00
ABB 3HAC028357-001 robot automation component ABB 3HAC028357-001
$2,227.00
ABB 3HAC028357-001 joystick for FlexPendant, manual robot control component. ABB 3HAC028357-001 DSQC679
$2,320.00