Mitsubishi Electric MELSEC FX3U - Page 728

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FX3G/ FX 3U /FX 3UC Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
30 External Device Communication (Inverter Communication) – FNC270 to FNC274
30. External Device Communication
(Inverter Communication) – FNC270 to FNC274
FNC270 to FNC274 provide instructions for controlling operations and reading/writing parameters while two
or more FREQROL inverters are connected.
FNC No. Mnemonic Symbol Function Reference
270 IVCK Inverter Status Check
Section
30.1
271 IVDR Inverter Drive
Section
30.2
272 IVRD Inverter Parameter Read
Section
30.3
273 IVWR Inverter Parameter Write
Section
30.4
274 IVBWR Inverter Parameter Block Write
Section
30.5
nIVCK DS2S1
nIVDR S3S2S1
nIVRD DS2S1
nIVWR S3S2S1
nIVBWR S3S2S1