Overhead time before and after the startup of an interrupt program with a MELSEC iQ-R series CPU module

Although it depends on interrupt factors, the overhead time before startup becomes 10.8 to 23.8 [us] and the time after startup becomes 6.5 to 17.4 [us]. More Details >>

Operations that can be performed with the MELSEC iQ-R series inter-module synchronization function

The inter-module synchronization function synchronizes the input or output timing of multiple I/O modules or intelligent function modules. The inter-... More Details >>

Inter-module synchronization function of MELSEC iQ-R series

The inter-module synchronization function synchronizes the timing to control signals of multiple modules. This function synchronizes the input or output tim... More Details >>

Combination of the MELSEC iQ-R series inter-module synchronization function and another network synchronous communication function

You can use the MELSEC iQ-R series inter-module synchronization function together with the CC-Link IE Field Network synchronous communication function.With ... More Details >>

Overhead time of when a fixed scan execution type program of the MELSEC iQ-R series CPU module is executed

When the block number of the file register (R) is saved and stored, the overhead time becomes 35.9 [us]. When the number of the file register is not saved o... More Details >>

Accessories of the MELSEC iQ-R series 40-pin connector type module

No connector is provided with the module. Separately prepare any of the following connectors. A6CON1: Soldering type 32-point connector (40-pin connector) A6... More Details >>

I/O numbers of a MELSEC iQ-R series I/O combined module (RH42C4NT2P)

An input and output use a single I/O number. (This is the same as QH42P.) When you replace a module that uses serial I/O numbers (e.g. QX41Y41P) with this m... More Details >>

IP filter function of MELSEC iQ-R series CPU modules

You can set IP addresses accessible to the CPU module and prevent unauthorized access to the CPU module. <Setting the IP filter function> [Navigati... More Details >>

How to display the parameter setting window for a programmable controller with GX Works3

You can display the setting window from a module configuration diagram or system parameters. <Displaying the setting window from a module configuration... 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 >>