Product Description:

The CDB01.1C-ET-ENS-ENS-NNN-MEM-NN-S-NN-FW control section is manufactured by Bosch Rexroth Indramat for the CDB Control Units series. Installed in a modular drive stack, it supervises motion, handles feedback, and routes communication for industrial automation cells that rely on coordinated axis movement. By integrating network interfaces and local I/O onto a single plug-in module, the unit removes the need for separate PLC cards in compact machinery. This arrangement keeps encoder, communication, and command handling in one location, which reduces internal cabinet wiring and helps the drive stack respond consistently during synchronized motion. Because it is installed directly in the drive assembly, signal paths between the control electronics and the power sections remain short, which supports predictable exchange of commands and feedback.

With an axis count of 2, the board calculates position and velocity loops for a pair of drives and distributes timing through its Multi-Ethernet port. Electrical signaling follows 100Base-TX, so standard twisted-pair cabling supports high-speed data exchange between the drive and upper-level controllers. Each axis accepts an ENS encoder feed, and the Option 4 slot provides encoder emulation for external devices. An analog diagnostic channel delivers 5 V, 1 mA that can be scaled for process monitoring, while four high-side outputs source up to 500 mA each to power brakes or indicator lamps. Two probe inputs capture exact position stamps for camming tasks without PLC latency. That mix of I/O lets the module handle marker capture, status signaling, and basic auxiliary control without separate interface hardware.

Logic inputs reach their ON state at 15 V, allowing direct wiring to common 24 V sensor circuits while preserving noise immunity. When encoder emulation is active, differential pulses are produced at up to 1 MHz, enabling legacy controllers to track shaft movement at fine resolution. A form-C relay on the board is rated for DC 24 V, 1 A, so it can switch auxiliary loads such as contactor coils. Service diagnostics use the RS232 serial port, and the serial interface also provides direct access to status messages and parameter data during troubleshooting. The unit has no integrated safety technology, so external safety relays must be used when required.