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How to read actual speed value of all fans inside the ATV980C40Q4X1 via Modbus.

it is possible to read the actual speed value of all fans inside the ATV980C40Q4X1 via Modbus (just the 6 power part fans of the bricks, but not the fans in the enclosure door).

Address      Parameter       Description
39402         PWBS              Inverter brick selection
39459         PBM9               Fan speed of Inverter brick
39502         BABS               AFE brick selection
39556         BAM6               Fan speed of AFE brick

Following procedure must be programmed in the PLC:

Write address 39402 to value “1” (select inverter brick 1)
Wait 1 second
Read address 39459 (fan speed of Inverter brick 1 in rpm)
Write address 39402 to value “2” (select inverter brick 2)
Wait 1 second
Read address 39459 (fan speed of Inverter brick 2 in rpm)
Write address 39402 to value “3” (select inverter brick 3)
Wait 1 second
Read address 39459 (fan speed of inverter brick 3 in rpm)
Write address 39502 to value “1” (select AFE brick 1)
Wait 1 second
Read address 39556 (fan speed of AFE brick 1 in rpm)
Write address 39502 to value “2” (select AFE brick 2)
Wait 1 second
Read address 39556 (fan speed of AFE brick 2 in rpm)
Write address 39502 to value “3” (select AFE brick 3)
Wait 1 second
Read address 39556 (fan speed of AFE brick 3 in rpm)
This procedure can run in a background task.

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