RS-422/485.
2 channel.
Transmission speed: 2 channels.
Total 230.4kbps.
Corresponding Configurator-SC Version2 GX.
Serial communication module capable of collecting and changing data of programmable controller, monitoring and managing, measuring data collection and so on.
Can achieve the highest speed of 230 MITSUBISHI Positioning Module User's Manual. 4kbps, the maximum of 960 words (MC protocol communications) of the high speed and large capacity communications QD70D8 
Can use MC protocol, through the external devices (PC, monitors, etc.) to implement the data read / write programmable controller.
By selecting a non sequential protocol and use sequential program for communication control, the programmable controller and the external device (barcode reader and measurement equipment),
Communication with local protocols using external devices MITSUBISHI Positioning Module User's Manual.
QJ71C24N (-R2) through the RS-232 serial communication,
Programming and monitoring of programmable controllers using programming tools.
QJ71C24N (-R2) with the function of the modem corresponding to the public telephone line,
Can be used to initialize the modem, and the connection of the object device processing,
Communication with a remote device, a programming tool, a modem, and a public telephone line MITSUBISHI Positioning Module User's Manual.
Using remote password,
Can be prevented by QJ71C24N (-R2) function of the modem Q series programmable controller for illegal access QD70D8  User's Manual. SI/QSI/H-PCF/ broadband H-PCF optical cable.
Double circuit.
Controller network (control station / common station) / remote I/O network (remote master station) QD70D8  User's Manual.
With external power supply function.
MELSECNET/H network module capable of composing large scale flexible network system.
The MELSECNET/H network system includes the PLC network of the control station and the communication between the stations and the remote I/O network in the remote station remote I/O station QD70D8  User's Manual.
Optical fiber loop system...... High speed communication of 10Mbps/25Mbps is realized.
The distance between stations, the length oof the total cable length, strong anti-interference QD70D8  Manual.
Coaxial bus system...... Using low cost coaxial cable, the network construction cost is lower than that of the optical fiber loop network.
Twisted pair bus system MITSUBISHI Positioning Module User's Manual. ..... Combined with high performance price ratio network module and twisted pair cable,
The construction cost of network system is very low.