Connection of expansion boards and a memory cassette to the FX3G series main unit

They can be used together. * 14/24-point type FX3G series main unit ･ An expansion board can be connected to BD1 (1st position) and a memory cassette can b... More Details >>

Using send FBs/receive FBs simultaneously

If multiple send FBs/receive FBs are simultaneously executed, the FBs do not function properly.When there are multiple send FBs, do not execute two or more s... More Details >>

Number of points used for I/O assignment of L26CPU-(P)BT built-in CC-Link function

It is fixed to 32 points from 10 to 2F. More Details >>

Behavior of sequence program in event of momentary power failure in LCPU

(1) When it happened no longer than the allowable momentary power failure time. The module records an error log and suspends the operation processing. Ho... 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 >>

Speeds of access to file registers

If file registers are registered in the standard RAM and "R" is specified by an instruction, the processing time is the same as is the case with the internal... More Details >>

Q series device data held in the case of a power failure

The data in the devices assigned to Latch (1) or Latch (2) in the "Device Setting" window ([PLC Parameter] -> [Device Setting] window) is held when a pow... More Details >>

Label programs in GX Works2

Change the program using the following method.Write the label program to the programmable controller CPU and perform PLC read for the parameters and the prog... More Details >>

High-speed timer

Follow the procedure below to insert a high-speed timer.- Click the Coil button on the toolbar or press the function key F7, then enter "HT[ ] K[ ]".- Click ... More Details >>

Clearing the battery error without resetting the CPU module

It is impossible. Battery replacement is essential in clearing the battery error and the power of the programmable controller must be turned off before the... More Details >>