The R911340563 (CDB02.1B-ET-EC-EC-PB-NN-NN-NN-NN-FW) is a control section in the Bosch Rexroth IndraDrive modular drive system. This module provides a Multi-Ethernet communication interface for Ethernet-based fieldbus integration and includes a PROFIBUS interface for additional connectivity options. Two multi-encoder interfaces are supplied, supporting a range of encoder systems. LED indicators display connection and operational status. The unit complies with IEC 61800-3, Category C3 standards for EMC requirements and can be used as part of a drive controller power section or as a separate component. Firmware is ordered separately.