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 >>

Use of an A-compatible 1E frame for the built-in Ethernet port of LCPU

The built-in Ethernet port in the L series is compatible only with a QnA-compatible 3E frame of the MC protocol. An A-compatible 1E frame is not supported. More Details >>

Simultaneous use of simple PLC communication function and socket communication

The socket communication can be used simultaneously with the simple PLC communication function. More Details >>

KeepAlive setting for built-in Ethernet port in LCPU

The KeepAlive setting for the built-in Ethernet port in the L series is fixed. The setting is unchangeable. More Details >>

Use of 4E frame for built-in Ethernet port of LCPU

The built-in Ethernet port in the L series is compatible only with the QnA-compatible 3E frame. The 4E frame is not supported. More Details >>

Versions of LCPU compatible with LJ71E71-100

The L series CPU serial numbers with upper 5 digits of "14112" or later indicate compatibility with LJ71E71-100. More Details >>

SNTP communication error in built-in Ethernet port LCPU

The error does not affect the CPU time. The CPU time is not set when a communication error occurs. More Details >>

Number of connectable modules

Up to 10 modules are connectable. Note that RS-232 adapter and END cover are excluded. Use the built-in CC-Link function for I/O enhancement. More Details >>

Removal of SD memory card during logging in L series

An error will occur in CPU. More Details >>

MX Component Version 4's compatibility with Visual Studio 2008

Yes. More Details >>