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4.5. Examples of the use of communication commands
Here are some examples of the use of communications commands provided for the VF-S11 series of
inverters.
Inverter numbers and checksum used in ASCII mode are omitted from these examples.
■ Examples of communications
- To run the motor in forward direction with the frequency set to 60 Hz from the computer
<ASCII mode>
Computer → Inverter Inverter → Computer
(PFA011770)CR (PFA011770)CR …Set the operation frequency to 60 Hz.
(60 / 0.01 Hz = 6000 = 1770H)
(PFA00C400)
CR (PFA00C400)CR …Set to “forward run” with commands and frequency
instruction from the computer enabled.
<Binary mode>
Computer → Inverter Inverter → Computer
2F 50 FA 01 17 70 01 2F 50 FA 01 17 70 01
2F 50 FA 00 C4 00 3D 2F 50 FA 00 C4 00 3D
- To monitor the operation frequency (during 60 Hz operation)
<ASCII mode>
Computer → Inverter Inverter → Computer
(RFD00)CR (RFD001770)CR …Set the operation frequency to 60 Hz.
(60÷0.01Hz=6000=1770H)
<Binary mode>
Computer → Inverter Inverter → Computer
2F 52 FD 00 7E 2F 52 FD 00 17 70 05
- To monitor the status of the inverter
<ASCII mode>
Computer → Inverter Inverter → Computer
(RFD01)CR (rFD010003)CR …For details on statuses, see 8.2 “Monitoring from
the computer.” (Stop status, FL output status, trip
status (r command))
<Binary mode>
Computer → Inverter Inverter
→ Computer
2F 52 FD 01 7F 2F 72 FD 01 00 03 A2
- To check the trip code (when the inverter is tripped because of )
…For details on trip codes, see “Trip code monitor” in 8.2, “Monitoring
from the computer.” (18H = 24d “” trip status)
<ASCII mode>
Computer → Inverter Inverter
→ Computer
(RFC90)CR (rFC900018)CR
<Binary mode>
Computer → Inverter Inverter
→ Computer
2F 52 FC 90 0D 2F 72 FC 90 00 18 45