PLC Remote Maintenance Test  Monitor and change the program of a PLC at a remote location.
When it becomes necessary to monitor the PLC programs of facilities and equipment installed in remote locations, or to investigate the programs, it is usually necessary to visit the site to take action, but due to the current impact of the new coronavirus infection, it may become difficult to visit in the future.Remote work is […]
Simple CPU communication by Ethernet connection between Mitsubishi Q PLC and FX PLC
The data communication method between Mitsubishi's Q series PLC and FX series PLC is simple CPU communication by Ethernet connection. What is simple CPU communication? It is a function that allows Ethernet-connected PLCs to communicate with each other and send/receive device data without programming, with just a simple setting using GX Works2 or 3. Example […]
Control RS232C devices from PLC via Ethernet communication
To control RS232C-equipped devices with a PLC, a serial communication unit is required, and there are some limitations such as one-to-one communication to the port, and the communication distance is usually less than 15m. The RS232C-Ethernet converter enables 1-to-n communication with multiple RS232C-equipped devices at a distance of 100m from the PLC's built-in Ethernet port […]