Regarding the effect of battery voltage drop on logging function

Since the battery retains clock data even after power failure, the time of logging data may change. More Details >>

Regarding instructions for converting 16 bit data to single-precision real numbers

There is. Please use the INT2FLT instruction. More Details >>

Battery replacement for LCPU

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

How to suppress the instability of digital-converted output values

(1) Use separate cables for the AC control circuit and the external input signals of an analog input module to avoid the influence of the AC side surges an... More Details >>

GX Works2's compatibility with the A series modules

GX Developer is automatically launched when A series is selected as a new project in GX Works2.For the A series modules, use GX Developer. More Details >>

Cause of file register reset by latch clear operation in universal model QCPU

If Latch (1) is set in the device setting of PLC parameter, the contents of file registers are cleared by latch clear operation. Set Latch (2) to maintain t... More Details >>

VxWorks

It is an embedded RTOS (real-time OS) developed by Wind River, which is proven worldwide as reliable and stable.The version of the operation system installed... More Details >>

Maximum apparent power of the power supplies of Q00JCPU and Q00UJCPU

Both are 105 VA. More Details >>

How to prevent unauthorized access to MELSEC iQ-R series CPU modules via a network

The MELSEC iQ-R series CPU module has "IP filter function" and "remote password function" as security functions. With the "IP filter function", you can set ... More Details >>

Digit specification for bit devices in ST language with GX Works3

For a label where digits are to be specified, set a bit type array as its data type. The following shows an example of when a global label is used. - Globa... More Details >>