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 >>

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 >>

Detecting the connection between a built-in Ethernet port QCPU and hub

You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>

Compatibility between the A series modules and Q series modules

When an ACPU module is replaced with a QCPU module, programs for the ACPU module can be used by changing the PLC type in GX Developer. However, the programs ... More Details >>

Deleting GX Developer when installing GX Works2

GX Developer does not need deleting when GX Works2 is installed. More Details >>

Cables for CPU modules

The following Diatrend cable can be used.- DQ-U2 More Details >>

CF cards supported by the high speed data logger module

For applicable CF cards, refer to the latest version of the following manual.- High Speed Data Logger Module User's Manual- SH-080818ENG- 2.3 Connection Syst... More Details >>

Procedure for developing programs

It is necessary to install a development environment (Tornado or Wind River Workbench) and set parameters using the Setting/monitoring tools for the C Cont... More Details >>

File register setting window

No. More Details >>

Difference between C Controller module and programmable controller CPU module

- C Controller module: Programs are created using C and C++ languages. The programs run based on each task and parallel processing of multiple tasks base... More Details >>