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

How can we help you today?

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.