Methods for Unlocking Hidden Parameters and Modifying Mainboard Power of ABB ACS800 Series Inverters

The ABB ACS800 series inverters are high-performance inverters widely used in industrial control. To meet the needs of different application scenarios, users sometimes need to adjust the power of the inverter or unlock hidden parameters. The following will detail the methods for unlocking hidden parameters and modifying the mainboard power of the ACS800 series inverters.

Method for Unlocking Hidden Parameters

In the ACS800 series inverters, some parameters are hidden and can only be accessed by following specific steps. Here are the steps to unlock hidden parameters:

1. Enter the parameter setting interface: First, enter the parameter setting interface of the inverter.
2. Set the unlock code: Set parameter 16.03 (PASS CODE) to 358. This operation will unlock the hidden parameter groups and make them visible.
3. Access hidden parameters: After unlocking, you can access hidden parameter groups such as group 112 and group 190.

By following these steps, users can access and modify parameters that are usually invisible for more advanced settings and adjustments.

Method for Modifying Mainboard Power

In some cases, users may need to adjust the power of the ACS800 inverter. The following are the steps for modifying the power of RDCU boards with different versions:

For RDCU Boards with Version Numbers Before 7200

1. Enter parameter 9903 and change it to YES.
2. Enter parameter 1603 and change it to 564.
3. Enter parameter 11206 and select XXNONE.
4. Power off and then on again.
5. Re-enter parameter 1603 and change it to 564.
6. Enter parameter 11206 and select the desired power (e.g., 170-3).
7. Initialize the parameters.
8. Power off and then on again.

For RDCU Boards with Version Numbers 7200 and Later

1. Enter parameter 9903 and change it to YES.
2. Enter parameter 1603 and change it to 564.
3. Enter parameter 11221 and select the desired power (e.g., 170-3).
4. Re-enter parameter 9903 and change it to YES.
5. Power off and then on again.

Notes:

• Parameters 11219 to 11223 correspond to different power levels. Be cautious when modifying them to select the correct parameters.
• For inverters in normal use, do not operate or modify parameters arbitrarily to avoid losing normal parameters.
• Using parameter 2303 can open single drive groups from 100 to 202.

Steps for Changing Inverter Type

In addition to changing the power, sometimes it is also necessary to change the type of inverter. Here are the steps for changing the inverter type:

1. Set parameter 16.03 (PASS CODE) to 564 to make parameter groups 112 and 190 visible.
2. Select the desired inverter type from parameter groups 112.20 to 112.36. For example, for an ACS800-01-0016-3 machine, select 11.21 = sr0016_3.
3. The panel will prompt to power off. Power off the RMIO board and then on again.

Conclusion

By following these methods, users can unlock the hidden parameters of the ABB ACS800 series inverters and adjust the mainboard power and inverter type as needed. These operations can help users better adapt to different application scenarios and improve the flexibility and performance of the equipment. However, when performing these operations, be cautious and ensure that the correct parameters are selected to avoid affecting the normal operation of the equipment.