Ethernet communication after the replacement of an external device

Personal computers have different MAC addresses and an Ethernet module hold a MAC address. Hence the MAC address that the Ethernet module currently holds is ... More Details >>

Specification method of high-speed timer

To use a high-speed timer, insert a circuit of application instruction such as "OUTH T0 K100". More Details >>

Whether or not device indirect specifications in structured ladder programs are allowed

Indirect specifications with "＠" cannot be used in structured ladder programs and the Structured Text. Use indirect specifications in a ladder language program. More Details >>

Cables connected to the Ethernet port on the universal model QCPU

If a direct connection is made, either type can be used.If making a connection via a hub, use a straight cable. More Details >>

Transparent function

Set as follows in the Transfer Setup window. - Select "USB" for "PC side I/F". - Select "GOT" for "PLC side I/F" and select "via GOT (direct coupled) tra... More Details >>

How to check automatically assigned devices in GX Works2

Click the local label to be checked and select "Cross Reference" from the right-click menu to check the devices. More Details >>

Open setting of the built-in Ethernet port QCPU

No.It is necessary to configure one port to use the MELSOFT connection. More Details >>

Boot operation from the standard ROM

The boot operation from the standard ROM is not possible.The program memory of universal model QCPU is a flash ROM.Thus, writing in the program memory achiev... More Details >>

Change timing of the status of A/D conversion module's I/O signals

(1)If the A/D conversion enable signal is kept ON, conversion processing is kept performed. Once conversion processing is successfully performed, A/D conve... More Details >>

Counting operation of QD62

The corresponding operation depends on the counter type selected. (1) If "Linear Counter" is selected If the present counter value exceeds the upper limi... More Details >>