How to use file registers R in the Q series

File registers R can be used for data whose size is exceeding 32k points with RSET instruction, which is a block switching instruction. Use file registers... More Details >>

How to check scan time

SD520 stores the current scan time in 1 ms units. More Details >>

How to turn OFF the "COM.ERR" LED of the Ethernet module

The LED can be turned OFF by operations from GX Developer. The operation method is as follows.(1) Connect to the CPU in the standby system in Transfer Setup.... More Details >>

Software required for MX Sheet

MX Component and EXCEL are required. More Details >>

Battery-less operation

Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>

How to check the capacity of the file registers in use

The capacity file registers currently have can be checked in the file register setting section ([PLC Parameter] -> [PLC File] tab). More Details >>

Programing example of heating/cooling control

The following shows an example of heating/cooling control using split control. * For details, refer to the "Programmable Controllers MELSEC PROC... More Details >>

Logging data storage in a USB memory

GX LogViewer function of Mitsubishi GOT (GT16) extracts the logging data to a USB memory attached to the USB interface on the front of the GOT. More Details >>

Communication data code of the MC protocol for the built-in Ethernet port in LCPU

The communication data code is selectable by the communication data code setting in [Parameter] -> [PLC Parameter] -> [Built-in Ethernet Port Setting]. More Details >>

Operation during power failure

It stops during execution. More Details >>