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 >>

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 >>

Updating to the 64-bit Windows 7 version of GX Works2

The message is displayed because the version of the CD does not support the 64-bit version. Execute the installation procedure in the condition. More Details >>

Replacing a device in GX Developer

Select [Tool] -> [Options] from the menu of GX Developer and open <<Program common>> tab.Then select "Don't write to PLC" in "After conversion... More Details >>

The numbers of POUs and steps of "Allocate Memory for 'Online Change'" in GX Works2

The maximum number of steps that an online change can process at a time is 512. More Details >>

Compatibility between the A series modules and Q series modules

When an ACPU module is replaced with a QCPU module, programs for the ACPU module can be used by changing the PLC type in GX Developer. However, the programs ... More Details >>

Detecting the connection between a built-in Ethernet port QCPU and hub

You can check the connection to the hub with bit 10 of the special register SD1288. When bit 10 of the SD1288 is on, the QCPU is in connection with the hub. More Details >>

Compliance with SEMI-F47 for L series power supply module

Use the following power supply module with an input power of 200 VAC for compliance with SEMI-F47. - Power supply module: L61PWith an input power of 100 VAC,... More Details >>

Alive check for built-in Ethernet port LCPU

When the protocol is set to TCP, KeepAlive check is performed. (Checking for a response to KeepAlive ACK message) An alive check message is sent five seconds... More Details >>

How to use LCPU connector terminals

The LCPU connector terminals can be used as terminals for built-in I/O function. The setting of the built-in I/O function can be configured with the paramete... More Details >>