Every DP/PA device type has to have an individual indent Number. This number is NECESSARY so that a DP-master is able to identify the types of the connected DP/PA devices without a significant protocol overhead. The master compares the indent Number of each connected device with the indent Number in the configuration database. User data transfer in the OPERATION phase is only possible when the right DP Slave is connected to the correct address. This ensures very high protection against parameterization faults. The vendors must APPLY to the PROFIBUS Support Center for an individual indent Number for every DP/PA device type.

Every DP/PA device type has to have an individual indent Number. This number is necessary so that a DP-master is able to identify the types of the connected DP/PA devices without a significant protocol overhead. The master compares the indent Number of each connected device with the indent Number in the configuration database. User data transfer in the operation phase is only possible when the right DP Slave is connected to the correct address. This ensures very high protection against parameterization faults. The vendors must apply to the PROFIBUS Support Center for an individual indent Number for every DP/PA device type.