How to set a value in SM414(2n second clock)

Set a value in the special register SD414.Use a MOV instruction to set the value in SD414. 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 >>

Difference between Q24DHCCPU-V and Q12DCCPU-V

Hardware specifications are different. For hardware specifications, refer to the following manuals. - MELSEC-Q C Controller Module User's Manual - C Contro... More Details >>

Reading and writing bits/words using the FL-net (OPCN-2) interface module

The parameters and auto refresh settings for the FL-net (OPCN-2) interface module cannot be made using the Network Parameter items in GX Developer.Set those ... More Details >>

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

(1) When a momentary power failure occurs for a period not longer than the allowable momentary power failure time When the momentary power failure occurs, t... More Details >>

Differences between the AJ65SBTB1-16TE and AJ65SBTB1B-16TE1

The following shows the major differences. -AJ65SBTB1-16TE - 1-wire terminal block, 1-common type - Maximum load current: 0.1 A/point -Protection fu... More Details >>

SB/SW refresh device setting with CC-Link

SB/SW uses 512 points of refresh devices. More Details >>

SB/SW refresh device setting with CC-Link

There are no problems even though the SB/SW refresh device has not been set. More Details >>

Extending the station-to-station distance with a CC-Link IE controller

Use the optical media converter DMS-1000SL(-DC) (manufactured by Mitsubishi Electric System & Service Co., Ltd.). You can extend the station-to-station dista... More Details >>

Communication between CPU modules established by QJ71E71

The communication between QJ71E71 series modules can be established if READ/WRITE instructions are used. More Details >>