Description
REXROTH CDB02.1B-ET-EC-EC-NN-NN-NN-NN-NN-FW
Technical Specifications 24 VDC control supply; dual independent servo axis control; ET Ethernet interface for real-time fieldbus; EC-EC dual multi-encoder input channels; supports SERCOS and industrial Ethernet protocols; cycle time down to microsecond level; integrated safe motion logic.
Functional Features Dual-axis coordinated motion control including electronic cam, gearing and synchronization; real-time encoder position acquisition for each axis; safe torque off safety function; parameter storage for axis tuning; diagnostic data recording for drive fault analysis; serial RS232 local debugging port.
Application Scenarios CNC machine tool feed axes, printing press register control, packaging machine multi-axis synchronization, material handling robot auxiliary axes.
Material Composition Metal shield housing; multilayer high-speed control PCB; industrial DSP and FPGA chips; gold-plated encoder and fieldbus connectors; aluminum heat conduction base.
Structural Characteristics Compact pluggable control card which mounts on top of HCS power converter unit; front panel has status LEDs and local service port; side connectors for encoder feedback, fieldbus and digital I/O signals.
Working Principle The control section receives motion setpoints from upper CNC or PLC via Ethernet bus. It compares command position with encoder feedback, runs position, speed and current cascade control loops, and outputs PWM reference signals to the underlying power module. It monitors axis load, motor temperature and encoder health continuously.
Installation Requirements Mount directly onto matching Rexroth HCS power unit; separate encoder cables and power cables with different cable trays; use shielded encoder cables with specified bending radius; configure safety circuit before enabling drive operation.
Operation Notes Download axis firmware and parameter set after replacement; execute encoder offset homing after maintenance; verify safe motion wiring before machine auto operation.
