ACS 880 devicenet confirmation signal Running1(Fwd) Running2(Rev)

ACS880 has FDNA-01 adapters. Communication with AlenBradley controller is via DeviceNet, set to Baud rate= 125 kbit/s. ACS880 Firmware 2.51.0.0 After RunFwd signal from PLC to drive first came confirmation signal (0.5sec), an then Running1(Fwd). Also after RunRev signal from PLC to drive first came confirmation signal Running1(Fwd) (0.5sec), an then Running2(Rev).

What can be done to avoid such behaviour? Thanks

Signal exchange.pdf

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davor.zacek Rank: 3769

Asked 6 months ago

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Hi,
What is the reference value / speed setpoint at the moment of run command?

I mean, most probably first you have to send a speed reference with the right sign to the drive and then the start command.
E.g. ref=400 rpm and then RunFWD or ref=-400 and then RunREV

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kstoilov

Rank: 5

Answered 6 months ago

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ACS 880 devicenet confirmation signal Running1(Fwd) Running2(Rev)

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