Product Description:

Bosch Rexroth Indramat produces the CDB01.1C-S3-EN2-EN2-ENS-NNN-S2-S-NN-FW as a control card in the CDB Control Units series. Installed in modular drive controllers, this card coordinates up to two axes and passes position, velocity, and safety data between the power section and higher-level automation equipment. In multi-axis machines, it serves as the motion processor, executing interpolation commands and forwarding them to drive inverters so that mechanical tooling remains synchronized.

The card exchanges cyclic data over SERCOS III, and the bus reaches the board through a rugged RJ-45, 8-pin connector that also carries timing telegrams. Each digital input channel expects 24 V / 3 mA, matching standard PLC output drivers, while the single analog monitor line sources up to 5 V / 1 mA for scope diagnostics or external meters. Internal housekeeping circuits draw only 9 W, so cabinet heat rise is limited even when the controller is active around the clock. Two incremental encoder ports (EN2) and one multi-turn absolute port (ENS) are mapped by onboard logic to the axis processors without additional interface modules.

For encoder excitation, the EN2 sockets can deliver 350 mA, and the ENS channel provides a regulated 11.6 V supply to multi-turn sensors. During power-up, the control section briefly draws 6 A of inrush current, so downstream protection devices must accommodate that surge. Fast capture tasks rely on a maximum measurable pulse width of 60 ms, and rising-edge latching is specified to within 1 µs, allowing precise registration on printing or pick-and-place lines. The probe circuit can also detect 4 µs logic pulses generated by external marks. A relay rated for DC 24 V at 1 A switches machine interlocks, while the Safe Motion block supervises velocity limits on both axes. Diagnostic menus are accessible through the built-in RS232 serial interface.