R911388153 Bosch Rexroth: The Brain of IndraDrive
The R911388153 represents the CSB02.5A-ET-EC-NN-L3-NN-NN-FW Control Section. In the modular IndraDrive architecture, the power section handles the high voltage, but this Control Section (CSB) handles the logic, regulation loops, and communication. This «Basic» single-axis unit features a Multi-Ethernet (ET) master communication interface, which is software-configurable to support Sercos III, PROFINET IO, EtherNet/IP, or EtherCAT. This versatility makes it a universal spare part for plants running mixed control networks from Siemens, Rockwell, or Beckhoff.
Detailed Technical Data
- Type: CSB02.5 (Control Section Basic).
- Axis Type: Single Axis.
- Communication: Multi-Ethernet (ET).
- Encoder Interface: Multi-Encoder Interface (EC) – Supports EnDat, Hiperface, SSI, 1Vpp.
- Safety Option: L3 (Safe Torque Off – STO).
- Panel: Standard Control Panel (HAP01 compatible).
Lifecycle & Replacement Guide
Lifecycle State: Active. Diagnosis: If the display on the drive remains dark but the DC bus is charged, the control section might be dead. However, check the 24V control supply first. Firmware Note: The hardware part number R911388153 does not include the firmware. When replacing this unit, you must transfer the FWA (Firmware Module/CompactFlash) from the old unit to the new one to retain machine functionality. Compatibility: It fits into HCS02 and HCS03 power sections. The «EC» encoder port allows connection to standard motor feedback systems like the M1 encoder found on MSK motors.
| Metric | Value |
|---|---|
| Cycle Time | Current loop 62.5 µs |
| Digital Inputs | Standard onboard I/O |
| Configuration | Via IndraWorks Ds |
| Mounting | Plug-in to Power Section |
Why Multi-Ethernet?
The ability to switch protocols via parameters (P-0-4089) allows OEMs to build one machine electrical cabinet and adapt it to the end-user’s preferred PLC network (Siemens or Allen-Bradley) just by changing a setting.
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