Product Description:

The CDB01.1C-SE-ENS-EN2-EN2-NNN-L1-S-NN-FW is a control unit produced by Bosch Rexroth Indramat as part of the CDB Control Units series. It serves as the axis-specific controller that plugs into IndraDrive power sections to manage motion commands, fieldbus traffic, and safety interlocks in industrial automation cells. The module supports multi-encoder feedback and provides both analog and serial channels so the drive can coordinate position, velocity, and diagnostic data with higher-level PLCs and machine interfaces. Because the control functions are integrated directly into the drive system, the unit handles command processing close to the power stage and supports fast response during coordinated axis motion.

The primary communication path is the SERCOS II fiber-optic ring, which provides deterministic command exchange at the drive level. For local sensor loops, the analog input bandwidth reaches 1.4 kHz, and the channel presents an input impedance of 160 kΩ to minimize loading on process transducers. The unit sources reference voltages up to 5 V with an available 1 mA output so external setpoint devices can be driven directly. A base power draw of 9 W covers internal logic, gate control, and optical links, allowing compact cabinet power budgeting. The ENS + EN2 + EN2 encoder interface set supports combinations of SinCos, EnDat 2.1, and SSI transducers, allowing several common feedback formats to be handled on one control platform, while the output group can supply 1 A for brake relays or indicator loads.

For discrete control tasks, each digital line can switch loads up to 0.5 A. Startup current peaks are limited by an inrush of 6 A that lasts 60 ms to reduce stress on upstream supplies. High-speed probing is supported by a probe edge accuracy of 1 µs and a probe pulse width of 4 µs, which helps the drive capture precise position events during registration moves. A service port running at 115 kBaud over RS-232 provides parameter access when the fiber ring is offline, and the integrated Starting Lockout L1 safety option prevents unintended motion until an enable signal is present.