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Home Product QJ71C24N-R2 Mitsubishi MELSEC Q Series RS-485 Serial Communication Module PLC
QJ71C24N-R2

QJ71C24N-R2 Mitsubishi MELSEC Q Series RS-485 Serial Communication Module PLC

QJ71C24N-R2 module
Mitsubishi MELSEC C24
Q series PLC communication
QJ71C24N-R2
The QJ71C24N-R2 module from Mitsubishi Electric enables serial communication for Q series PLC systems via RS-232/RS-422/485 interfaces, supporting the MELSEC C24 protocol to facilitate reliable industrial automation data exchange and device connectivity.
Categories:Automation
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Product Description

The QJ71C24N-R2 module is a Mitsubishi MELSEC C24 communication interface designed for seamless integration with Q series PLC systems. It supports both RS-232 and RS-422/485 communication protocols, enabling high-speed data exchange at rates up to 115.2 kbps. This module operates within a 24 VDC ±10% voltage range and functions optimally in temperatures ranging from 0 to 55°C, making it suitable for industrial automation, manufacturing, and process control applications. It directly interfaces with up to 16 I/O modules via the PLC base unit and features built-in error detection for reliable communication. Key advantages include its robust noise immunity, simplified wiring, and compatibility with Mitsubishi GX Works configuration software. A limitation is the lack of onboard diagnostics requiring external tools for troubleshooting. Designed for critical data linking between PLCs, HMIs, and external devices, it ensures stable performance in harsh environments but does not include battery backup or display components.
ParameterSpecification
Model NameQJ71C24N-R2
Module TypeSerial Communication Module
SeriesMELSEC C24
Compatible PLCQ Series PLC
Communication InterfaceRS-232 / RS-422/485
Supported ProtocolsMC Protocol, Modbus RTU, Bidirectional Protocol
Transmission Speed300 to 115,200 bps
Data Format7/8 bits, Even/Odd/No parity, 1/2 stop bits
Maximum Stations1:1 connection (RS-232), 1:N connection (RS-485)
Power Consumption5V DC, 0.27A
Dimensions98mm (W) x 27mm (H) x 90mm (D)
Operating Temperature0°C to 55°C
Storage Temperature-25°C to 75°C
Cable Distance15m (RS-232), 500m (RS-422/485)
IsolationPhotocoupler isolation (RS-422/485)
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods.
question:What shipping options are available?
answer:We ship via DHL, Fedex, UPS, and other major carriers worldwide.
question:What is your warranty policy?
answer:We offer a 1-year warranty covering defects in materials and workmanship.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
question:What payment methods do you accept?
answer:We accept TT, PayPal, and other major payment methods.
question:What shipping options are available?
answer:We ship via DHL, Fedex, UPS, and other major carriers worldwide.
question:What is your warranty policy?
answer:We offer a 1-year warranty covering defects in materials and workmanship.
question:Can the company ensure stable product supply?
answer:Yes, we maintain long-term partnerships and strict inventory management.
question:Why is there a transaction fee?
answer:The fee covers payment processing and administrative costs for secure transactions.
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