Network No., Group No., and Station No. in Network Parameter

- Network No. is a number assigned to identify each network when multiple networks are configured. Each network No. must be unique. - Group No. is a num... More Details >>

Operation error at the execution of a BIN instruction

Keep SM722 ON or correct the program so that any one of the ten numbers 0 to 9 is stored in each digit of the source data.An operation error occurs when data... More Details >>

Cross cable connections

We do not guarantee the operation of a system that involves cross cable connections. More Details >>

Battery-less operation

Uncheck "Check battery", an item of "Error Check", in the [PLC RAS setting] ([PLC Parameter] -> [PLC RAS setting]). More Details >>

How to launch GX Works2 or other tools after installing iQ Works

The tools can be launched individually. 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 >>

Writing files in CSV format

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

Continuous logging

Yes. As a guide, the processing time is shown below.For the logging condition, refer to figure 1 below. - For 16 devices: 2 ms - For 64 devices: 6 ms More Details >>

Whether or not MC protocol frames can be used after A1SJ71UC24 is replaced with QJ71C24N

The QJ71C24N series modules can be accessed using A-compatible 1C frames, but the following restrictions are imposed. The access is limited to the devices wi... More Details >>