Transcription of MELSEC Communication Protocol Reference Manual
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MELSEC Communication Protocol Reference Manual -RJ71C24. -RJ71C24-R2. -RJ71C24-R4. -LJ71C24. -LJ71C24-R2. -LJ71E71-100. -QJ71C24N. -QJ71C24N-R2. -QJ71C24N-R4. -QJ71C24. -QJ71C24-R2. -QJ71E71-100. -QJ71E71-B5. -QJ71E71-B2. SAFETY PRECAUTIONS. (Read these precautions before using this product.). Before using this product, please read this Manual and the relevant manuals carefully and pay full attention to safety to handle the product correctly. Note that these precautions apply only to this product. For the safety precautions of the programmable controller system, please read the User's Manual for the CPU module used. In this Manual , the safety precautions are classified into two levels: " WARNING" and " CAUTION". Indicates that incorrect handling may cause hazardous conditions, resulting in WARNING death or severe injury. Indicates that incorrect handling may cause hazardous conditions, resulting in CAUTION minor or moderate injury or property damage. Under some circumstances, failure to observe the precautions given under " CAUTION" may lead to serious consequences.
buffer memory are being written to the flash ROM in the module. Doing so will make the data in the flash ROM undefined. The values need to be set in the buffer memory and written to the flash ROM again. Doing so also can cause malfunction or failure of the module.
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