Mounting Q series modules on a MELSEC iQ-R series base unit

You cannot mount Q series modules on a MELSEC iQ-R series base unit. Use an RQ extension base unit (RQ65B, RQ68B, or RQ612B). You cannot mount some modules... 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 >>

Processing time of when multiple programs are executed with a MELSEC iQ-R series CPU module

When multiple programs are executed, the processing time (program switching time) becomes "Number of program files × 0.9 [us]". More Details >>

Combination of the MELSEC iQ-R series inter-module synchronization function and the CC-Link IE Field Network synchronous communication function

In the communication of the CC-Link IE Field Network synchronous communication function, you can synchronize the timing to send/receive data with the inter-... 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 >>

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 >>

GX Works2 installation procedure from the iQ Works disk

Use setup.exe in iQ Works Disk 2 (appears directly under the disk folder), to install the application.For the individual installation procedure from the iQ W... More Details >>

High-speed timer

Follow the procedure below to insert a high-speed timer.- Click the Coil button on the toolbar or press the function key F7, then enter "HT[ ] K[ ]".- Click ... More Details >>