CPU clock setting by SNTP functions via built-in Ethernet port in LCPU

The clock setting of the CPU module is set automatically in accordance with the clock data collected from the time information server (SNTP server) on the LAN. More Details >>

Ethernet system configuration of a redundant system

The following figure shows the basic configuration. When a control system Ethernet module is faulty or disconnected, the system is switched at a disco... More Details >>

Data communications between programmable controllers

Any data can be sent and received if the socket communication function instructions are used. More Details >>

Input derating

Input derating is the percentage of simultaneous ON points, one of the specifications applied when input modules are used. When QX42 is used in a temperatur... More Details >>

Cost of runtime licenses for VxWorks

The cost is included in the price of C Controller modules. Extra payment is not required. More Details >>

Reading file registers simultaneously with the program, parameters, and other data in GX Works2

No. Switch the target memory for PLC Data and read the file registers alone. More Details >>

Model name of MX Works

The model name of Japanese version is SW[ ]D5C-SHEETSET-J and that of English version is SW[ ]D5C-SHEETSET-E. More Details >>

Battery replacement for High-Performance model QCPU

The contents of the program memory, the standard RAM, and latch devices are not erased if the battery replacement is completed within three minutes, which is... More Details >>

Built-in Ethernet function setting window of MELSEC iQ-R series CPU modules

"Module Parameter" of the CPU module is the setting window. <Setting a built-in Ethernet port> [Navigation Window]-> [Parameter]-> [CPU Modul... More Details >>

Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>