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    How do I setup the Altivar Process Drive to communicate over Modbus Serial?

    Issue:
    How do I setup the Altivar Process Drive to communicate over Modbus Serial?

    Product Line:
    Altivar Process Drive (ATV630, ATV930, ATV650, ATV950, ATV660, ATV960, ATV680, ATV980)

    Environment:
    All serial numbers for Altivar 600 and 900 Process Drive

    Cause:
    N/A

    Resolution:
    Basic Settings
    - Programming on the Drive
    • Program Communication Settings
      • [Communication] [Comm parameters] [Modbus SL] [Modbus Fieldbus]
        • [Modbus Address] Add
        • [Bd.RateModbus] tbr
        • [Modbus Format] tFO
        • [Modbus Timeout] ttO
    • Program Command Settings:
    • Powercycle the drive
    - Communicate with the Drive
    • Using IO Profile
      • [Complete Settings] [Command and Reference] [Control Mode] - Set to IO
      • Command Word - 8501
        • Speed Reference Word - 8502 (Hz) and 8602 (rpm)
      • 16 bit word (Bit 0, 1, 2..... 15)
      • Start/Stop must turn on bit 0
        • Write a 1 to start
        • Write a 0 to stop
      • Bit 1 to 15 are assignable like logic inputs
        • Example: To assign a fault reset to bit 2 - [Fault reset] - Set to C302
    • Using CIA402 (DriveCom Profile)
      • Works with all assemblies
      • [Control Mode] CHCF to [Not separ.] SIN or [Separate]
      • Command Word - 8501
        Speed Reference Word - 8502 (Hz) and 8602 (rpm)
      • No 16 bit word
      • Start/Stop
        • Sequence of values must be written to the drive
        • 6, 7 and 15
        • Toggle between 7 and 15 to start and stop

    Related FAQ: How do I troubleshoot the Altivar Process Drive when it will not connect or communicate while over a Modbus Serial Network?
     

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