I/O assignment for additional modules connected to LCPU

In L02CPU(-P), the start I/O number of the additional module begins from 10H. In L26CPU-(P)BT, the number begins from 30H. More Details >>

LCPU built-in I/O function

The built-in I/O functions are standard functions of the L series CPU. Combining these functions flexibly achieves various controls with lower cost, eliminat... More Details >>

LCPU parameter number check

Refer to the following manual. MELSEC-L CPU Module User's Manual (Function Explanation, Program Fundamentals) Appendix 1 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 >>

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 >>

L63P compatibility with L series CPU packages

It is possible to remove L61P and use L63P. More Details >>

Error code "2400" in LCPU

The error code "2400" is "FILE SET ERROR". This error may be caused when the file specified with a parameter does not exist. The individual information param... More Details >>

Writing files in CSV format

Use SP.FWRITE instruction to save the data to an SD memory card in CSV format. 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 >>

Input derating

Input derating is the percentage of simultaneous ON points, one of the specifications applied when input modules are used. When QX42 is used in a temperatur... More Details >>