Using a FROM/TO instruction after AJ71UC24 is replaced with QJ71C24N

I/O signals and buffer memory addresses need to be changed but data communications can be conducted using a FROM/TO instruction and X/Y signals. More Details >>

SLD and FG wiring for CC-Link networks

Ground FG in each station. SLD and FG are internally short-circuited. More Details >>

Unit of the receive data length used by the QJ71C24N series pre-defined protocol support function

The receive data length of the variable is specified in bytes. More Details >>

Precaution about MELSECNET/H connection (2)

- Set the network module mounted in system A to station number 0 (multiplexed remote master station). Set the network module mounted in system B to any sta... More Details >>

Precaution about MELSECNET/H connection (1)

- Set successive station numbers for the network modules in system A and system B in a redundant system. (Station number 0 cannot be set.) - Match "host... More Details >>

Limitation on the number of MELSOFT products that can be connected with the QJ71E71

In the TCP/IP connection, you can connect up to 17 MELSOFT products at the same time using a dedicated connection for system and the connections for users 1 ... More Details >>

How to check the error history of the QJ71C24N with GX Developer

You can check the error history in the module detailed information in the system monitor of GX Developer. More Details >>

Parameter setting of CC-Link IE Field Network

No, you do not have to set the network range assignment parameters for slave stations. By setting the network range assignment parameters for a master statio... More Details >>

How to check errors in a CC-Link master station

When an error has occurred in the master station (including the standby master station), the data link control cannot be performed, and you cannot check erro... More Details >>

Regarding the connection between FX5-CCLGN-MS and inverter

FX5-CCLGN-MS supports 1 Gbps communication speed with firmware version: 1.010, and 1 Gbps and 100 Mbps communication speed for version 1.010. If the communi... More Details >>