There are several reasons for this:
1, the corresponding USB driver is not installed.
2; The reason for the line.
3; communication port selection settings.
To use a line with two integrated blocks, there is a crystal inside, otherwise it can not communicate with the PLC.
Tag: Mitsubishi PLC
What is the programming cable model of Mitsubishi FX series PLC?
The programming cable type of the FX series PLC is SC-09 cable or USB-SC09-FX cable.
SC-09 is used to connect to the computer serial port. USB-SC09-FX is used to connect to the computer USB port.
How does usb-sc-09 communicate with Mitsubishi 3U series PLC?
Mitsubishi PLC and computer programming software communication connection method.
1) The usb-sc-09 communication line driver must be installed.
2) Open the programming software, power on the PLC, connect the communication line,
3) Check the COM port number occupied by the communication line in the port bar of the Computer Device Manager.
4) Set the COM port number in the software online → transmission settings to the COM port number actually occupied by the communication line, and click OK.
5) In the software online → select plc write or plc read as needed.
Mitsubishi PLC programming cable FX-USB-AW (USB-RS422) driver
Mitsubishi Electric recently launched a new USB programming cable (FX-USB-AW) for FX series PLC, which can directly program the FX series PLC through the computer’s USB port, eliminating the trouble of using a USB / RS232 converter + SC-09 .
Can Mitsubishi Q series plc be connected by opc through programming lines?
All PLCs can exchange data with the host computer in OPC mode.
Mitsubishi Q series plc can be connected by opc through programming lines
How does the computer communicate with Mitsubishi Q series PLC?
Mitsubishi Q series PLC communication parameter settings:
Check digit: odd parity, data bit: 8, stop bit: 1.
Set the communication parameters of the COM port of the computer to the communication parameters of the PLC. Then open the PLC programming software, just click on the connection to PLC.
If it is Q02H series, you can also use the normal USB interface printer line connection programming.
The difference with the A series PLC is: select the transparent mode in the dialog box that appears when connecting the A series PLC.
The Q series does do not seem at all.
Mitsubishi q series plc q01cpu with what communication line programming
QC30R2 or USB-QC30R2
What is the difference between the Mitsubishi PLC programming cable SC and the programming cable USB interface?
Computer side of the SC09 programming cable of Mitsubishi PLC is the RS232 serial 9-hole plug. Computer side of the SC09-USB programming cable of Mitsubishi PLC is a USB plug, and the driver needs to be installed. Both functions are the same
USB-QC30R2, what is the Mitsubishi programming cable used for?
USB-QC30R2 is the PLC programming cable of Mitsubishi Q series, USB port! You can download, upload programs, and monitor online the Q series PLC.
Mitsubishi PLC programming cable FX-USB-AW (USB-RS422) driver
How to make Mitsubishi programming USB cable, need to install driver to work?
How to make Mitsubishi programming USB cable, BSB end 2 pin and D9 pin connector 3 pin, BSB end 3 pin and D9 pin connector 2 pin, BSB end 5 pin and D9 pin connector 5 pin Docking, BSB end 4 feet and BSB end 6 feet shorted, D9 pin connector 6 and D9 pin connector 4. Connected to the line is OK, can be downloaded. No driver installed
Can the Mitsubishi FX3U series PLC download the program using the SC09 data cable?
Absolutely okay.
Both the FX series and the A series PLC can use SC09, not only FX2n, but others.
From FX0S to FX3U, including FX2 and A series (with 25 pins)
In addition, the Q series programming port is 6 pins of RS232, which is completely different from the 8 pin of RS422 of the FX series.
PLC Cable 