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FREQROL-800 Inverter MODBUS Communication Sample Ladder Manual

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This manual provides sample ladder programs for controlling FREQROL-800 Series inverters via MODBUS communication using MELSEC-F FX3 Series PLCs (FX3S, FX3G, FX3GC, FX3U, FX3UC). It includes functions for inverter operation monitoring, control, parameter readout, and parameter writing, with applicable software versions for GX Works2 and GX Developer.

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