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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