Interrupt period setting of fixed scan interrupts of MELSEC iQ-R series

You can configure the setting in "Interrupt Setting from Internal Timer" of the CPU parameter. <Interrupt period setting> [Navigation Window]-> ... More Details >>

Using the automatic communication function and dedicated instructions at the same time in MODBUS (R) interface module (QJ71MB91)

The automatic communication function and dedicated instructions (MBRW instruction and MBREQ instruction) can be used on the same channel. However, when the... More Details >>

Cables for CPU modules

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

Operation error at the execution of a BIN instruction

Keep SM722 ON or correct the program so that any one of the ten numbers 0 to 9 is stored in each digit of the source data.An operation error occurs when data... More Details >>

Measuring temperatures with programmable controllers

The following four models are available for the purpose.- Q64TD- Q64TDV-GH- Q68TD-G-H01- Q68TD-G-H02 More Details >>

How to launch GX Works2 or other tools after installing iQ Works

The tools can be launched individually. More Details >>

Number of tasks to be created

The number of tasks that can be created depends on free space of the work RAM. Execute the following command with shell to check the free space of the work R... 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 >>

Communication between CPUs via built-in Ethernet port in LCPU

The following communication methods are available between the built-in Ethernet ports in the L series CPUs.- Simple PLC communication function- Socket commun... More Details >>

Configuration of simple PLC communication function using LCPU

At least one L series CPU is necessary when using the simple PLC communication function. More Details >>