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 >>

Relay life of the MELSEC iQ-R series relay output module (RY10R2)

The mechanical life of the module is 20 million times or longer. The relay life (contact switching life) of the module varies depending on the usage environ... 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 >>

Combination of the MELSEC iQ-R series inter-module synchronization function and the fixed scan communication of the multiple CPU system function

You can synchronize the fixed scan communication cycle of the multiple CPU system function with the inter-module synchronization cycle of the inter-module s... 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 >>

I cannot place a main base unit in a module configuration diagram with GX Works3.

You may have already placed a main base unit in the module configuration diagram. Scroll up or down in the module configuration diagram and check if a main ... More Details >>

Database function of the MELSEC iQ-R series

You can manage tabular data including product information and production information as a database in a programmable controller. By accessing the database w... More Details >>

Models of extended SRAM cassettes that can be used with MELSEC iQ-R series CPU modules

You can use "NZ2MC-1MBS", "NZ2MC-2MBS", "NZ2MC-4MBS", "NZ2MC-8MBS", "NZ2MC-16MBS",and "NZ2MC-8MBSE". You cannot use extended SRAM cassettes for the high-spe... 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 >>

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 >>