Product Description:

The CDB01.1C-ET-ENS-ENS-NNN-MA1-NN-S-NN-FW belongs to the CDB Control Units series from Bosch Rexroth Indramat. This plug-in control section is intended for IndraDrive drive controllers, where it manages axis functions, fieldbus communication, and local analog processing. By combining motion command handling with network connectivity, the unit acts as the interface between higher-level PLCs and the power stage, allowing coordinated positioning, velocity, and torque control in industrial automation cells.

The control electronics are powered from a dedicated 24 V DC supply, which keeps internal logic active even when mains power is removed. Network traffic is handled through a Multi-Ethernet port that supports the 100Base-TX physical layer, enabling compatibility with PROFINET, EtherNet/IP, and other real-time protocols. Two ENS encoder channels accept differential signals up to 500 kHz, and each channel can read incremental or absolute feedback while sharing an 11.6 V source. The MA1 option card provides two analog inputs and two analog outputs, and each channel operates at 12 bit resolution across a full-scale span of ±10 V. TTL command inputs can toggle at 400 kHz, so high-speed capture of limit switches or probe triggers is possible. No integrated safety technology is present, so external safety relays or SafeMotion modules are required for safety functions.

Total base dissipation of the unit is only 9 W, which helps limit cabinet heating during continuous operation. Each encoder line may draw up to 500 mA, allowing it to energize SSI or BiSS transducers without auxiliary supplies. During power-up, the typical inrush reaches 6 A and lasts roughly 60 ms, so the 24 V supply and wiring must tolerate this transient. A maximum inrush pulse timer helps the supply recover before subsequent starts.