1. Omron PLC cannot be connected to the computer
There are two reasons why the PLC and the computer cannot be connected: hardware and software.
The hardware reasons are: the interface type does not match (such as USB, RS232, RS422, RS485, CAN, etc., both sides should be the same.) If it is different, the corresponding converter should be used), and the connection line is open, short, or wrong.
The reasons for the software are: inconsistent communication settings (including baud rate, data bits, check bits, stop bits, etc., both sides must be consistent), communication protocol mismatch (just like Chinese speaking Chinese to foreigners who do not understand Chinese).
2. The Omron PLC network cable cannot be connected
Assume that the IP address of the computer network card: 192.168.59.54. (1) Set the NODE number of the CJ1W/CS1W-ETN21 module: NODE=0×161 +3 ×160=3 (2) Set the module parameters: CX-Programmer software is connected to the PLC through the serial port, the PLC switches to the programming mode, double-clicks the IO table and unit settings, and selects Create in the options drop-down menu, prompting the initialization bus, and then the CJ1W-ETN21 module appears in the rack. Double-click the CJ1W-ETN21 module, and the unit settings appear. Set the IP address of the module to 192.168.59.03 and the subnet mask to 255.255.255.0. Note: The last segment of the IP of the CJ1W-ETN21 module is the same as the NODE number by default. Click Transfer (PC to Unit).
(3) Create a new project in CX-Programmer software, select Ethernet as network type, and click Settings after network type.
In the network, the FINS source network and destination network number are defaulted to 00, and the node number is set to 3. In the driver, the IP address is set to 192.168.59.03, and the port number is 9600 by default.
(4) CX-Programmer software clicks online, and the communication is completed.
3. Omron PLC cannot be connected to the computer
Answer: If you don't have MODEN installed on the motherboard, the main reason is that your motherboard drivers are not installed properly or the drivers are not installed in order.
Install the motherboard driver first, then the graphics card driver, and then the sound card and network card.
If not, install it in the order above, if it is already installed, you have to reinstall the system and install it again in the order above.
If there is a moden installed on the motherboard, this is it. In the early days, the transmission rate of hardware devices used for Internet access was about 56K per minute. Now it's less useful. This situation may occur when there is a modem in the computer case. Since you don't have a driver installed, the computer recognizes the modem as a PCI Simple Communication Controller.
4. Omron PLC USB cannot be connected to PLC
Reasons and solutions for Omron's PLC not connecting online:
There are two reasons why the PLC and the computer cannot be connected: hardware and software.
The hardware reasons are: the interface type does not match (such as USB, RS232, RS422, RS485, CAN, etc., both sides should be the same.) If it is different, the corresponding converter should be used), and the connection line is open, short, or wrong.
Software reasons are: inconsistent communication settings (including baud rate, data bits, check bits, stop bits, etc., both sides must be consistent), communication protocol mismatch (just like Chinese speaking Chinese to foreigners who do not understand Chinese)
5. Omron PLC can't connect to the computer solution
Configuration software is to choose the driver,CP1L with MCGS driver with serial port to choose "Omron FINS serial port",Configuration king doesn't know how to choose to read the data,First of all, you have to see whether the driver selection is correct,There are also serial port attributes baud rate、Check bit、PLC station number and the like,It must be correct I used a lot of configuration software and touch screen,As long as the setting is correct, I have not found that it cannot be connected
6. Omron PLC does not communicate
To rule out whether the touch screen is broken, or PLC problems, if you don't know how to operate, you can send it to the Pengkong industrial control equipment maintenance center.
This problem generally considers the following aspects: 1. Whether the wire (communication line) is correct can be measured with a multimeter. 2. Whether the communication parameter settings are correct 3. Consider whether the serial port is not destroyed, I have encountered, the new touch screen, the serial port is broken, and finally the serial port is changed.
7. Omron PLC cannot communicate with a computer
I think maybe your port number is wrong, you connect the communication line to the PLC first, and then click on the port number in my computer properties, the device manager, and see what it is. Then change the port number in the communication settings in the PLC software to that number, and it's OK.
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