Bosch Rexroth CDB01.1C Replacement for IndraDrive C

Product Overview

Bosch Rexroth CDB01.1C Replacement & Upgrade Solution for IndraDrive C: Seamless Transition from Legacy Drive Systems

The Bosch Rexroth CDB01.1C-SE-ENS-ENS-NNN-NNN-NN-S-NN-FW is the control section module of the IndraDrive C series — a compact, high-performance drive platform widely deployed in CNC machining centers, servo press systems, injection molding machines, and automated assembly lines. As legacy IndraDrive C installations age and original control sections reach end-of-life, engineering teams face the challenge of sourcing a verified replacement that maintains full compatibility with existing wiring harnesses, communication protocols, and control cabinet layouts. TOPNLMS supplies this module as a direct replacement and upgrade solution, backed by pre-shipment testing and a 12-month warranty.

Whether you are replacing a failed unit in an emergency shutdown scenario or executing a planned modernization of an aging drive system, the CDB01.1C-SE-ENS-ENS-NNN-NNN-NN-S-NN-FW slots directly into the IndraDrive C power section — such as the CDB01.1C power section chassis — without requiring mechanical rework or cabinet redesign. The module retains the same DIN rail footprint and connector pinout as the original, allowing maintenance engineers to complete a swap in minimal time and restore production with confidence.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful IndraDrive C control section replacement rarely involves a single component in isolation. In most retrofit and modernization projects, the CDB01.1C-SE-ENS-ENS-NNN-NNN-NN-S-NN-FW is installed alongside a coordinated set of drive system components to ensure the entire axis or multi-axis cabinet is brought up to current operational standards.

On the power side, the control section interfaces directly with the IndraDrive C power section (CSB or CDB power chassis variants), which provides the DC bus and motor output stages. If the power section itself shows signs of capacitor aging or IGBT degradation, it is advisable to replace both the control section and the power section simultaneously to avoid a second unplanned shutdown. The HMV01 supply unit or HMV02 regenerative supply module feeding the DC bus should also be inspected and, if necessary, replaced to ensure stable bus voltage during the transition.

For communication and fieldbus continuity, many IndraDrive C installations rely on a PROFIBUS DP master module or a SERCOS fiber-optic ring connecting the drive to the CNC or PLC controller. When upgrading the control section, it is important to verify that the firmware version loaded on the CDB01.1C is compatible with the SERCOS master cycle time configured in the controller — typically a Bosch Rexroth IndraMotion MTX or a third-party CNC such as Siemens SINUMERIK. If the existing SERCOS ring includes other axes driven by HCS02 or HCS03 IndraDrive C converters, those units should be checked for firmware alignment to prevent ring synchronization faults after the control section swap.

On the feedback side, the ENS encoder interface on this control section supports Hiperface and EnDat absolute encoders. If the motor-side encoder cable or the encoder feedback connector assembly (IKS series feedback cable) has been in service for more than five years, replacing it during the same maintenance window eliminates a common source of intermittent encoder errors post-retrofit. Similarly, if the installation uses a Bosch Rexroth MSK servo motor or MKD motor with an integrated encoder, confirming encoder compatibility with the ENS interface before commissioning will prevent axis referencing failures.

For cabinet wiring and signal integrity, projects that involve partial cabinet rebuilds often incorporate signal isolators or terminal relay modules between the drive’s digital I/O and the machine’s safety relay circuit. Updating these interface components alongside the control section ensures that the new unit’s I/O voltage levels and response times are correctly matched to the safety PLC or emergency stop circuit. A 24 VDC DIN rail power supply with adequate current capacity for the control section’s logic supply should also be verified — the CDB01.1C draws its logic power from the 24 VDC bus, and an undersized or aging PSU can cause intermittent resets after installation.

Finally, for commissioning and parameter transfer, the Bosch Rexroth IndraWorks Engineering software and a compatible USB-to-serial or Ethernet commissioning cable are required to upload the axis parameters, motor data, and application-specific drive parameters from the old control section backup to the new unit. TOPNLMS recommends that customers retain a full parameter backup from the outgoing control section before removal to enable a rapid and accurate recommissioning of the replacement module.

Retrofit Guidance FAQ

Q: Do I need to rewire the motor and encoder cables when replacing the control section?
No. The CDB01.1C-SE-ENS-ENS-NNN-NNN-NN-S-NN-FW uses the same X1, X2, X3, and X8 connector positions as the original IndraDrive C control section. Motor power cables, encoder feedback cables, and 24 VDC logic supply connections plug directly into the replacement unit without modification.

Q: Is the firmware pre-loaded, and can it be updated in the field?
Yes. The FW suffix in the part number indicates that firmware is factory-loaded. The firmware version can be verified and updated using Bosch Rexroth IndraWorks Engineering software via the service interface. Customers should confirm that the firmware version is compatible with their SERCOS master or fieldbus controller before commissioning.

Q: Will my existing PLC or CNC program require modification after the swap?
In most cases, no program changes are required. The control section replacement does not alter the drive’s axis address, SERCOS node number, or parameter set — provided the replacement unit is commissioned with the same parameter backup from the original module. Axis parameters, motor data records, and application-specific settings are transferred via IndraWorks during commissioning.

Q: What communication protocols does this control section support?
The ENS-ENS designation indicates dual encoder interface slots. The control section supports SERCOS II fiber-optic communication as the primary fieldbus. Depending on the firmware loaded, PROFIBUS DP and analog ±10 V interfaces may also be available. Customers should confirm the required communication option against their system architecture before ordering.

Q: How much physical space does the replacement require in the control cabinet?
The CDB01.1C control section is a plug-in module that fits directly into the IndraDrive C power section chassis. No additional cabinet space is required. The module dimensions are identical to the original, and no mechanical adapters or bracket modifications are needed.

Q: Can this module replace control sections from other IndraDrive variants, such as IndraDrive M or IndraDrive Mi?
No. The CDB01.1C is specific to the IndraDrive C platform. It is not cross-compatible with IndraDrive M (HMS/HMD) or IndraDrive Mi (KCU/KSM) control sections, which use different mechanical form factors and communication architectures.

Q: What is the typical lead time and shipping arrangement?
In-stock units ship within 1–3 business days from Xiamen, China via DHL Express, FedEx International Priority, or UPS Worldwide Expedited. Emergency same-day dispatch is available for confirmed orders placed before 14:00 CST. Customers in Europe, Southeast Asia, and North America typically receive shipments within 3–7 business days depending on customs clearance.

Warranty Assurance

Every CDB01.1C-SE-ENS-ENS-NNN-NNN-NN-S-NN-FW supplied by TOPNLMS is covered by a 12-month warranty from the date of shipment. Prior to dispatch, each unit undergoes a multi-point pre-shipment inspection that includes visual examination for physical damage, connector integrity verification, firmware version confirmation, and functional power-on testing where applicable. Units that do not pass inspection are quarantined and not shipped.

In the event of a warranty claim, TOPNLMS provides a replacement unit or full refund depending on the nature of the fault and the customer’s preference. Warranty claims are processed within 5 business days of receiving the returned unit and a completed fault description. Return shipping costs for confirmed warranty faults are covered by TOPNLMS.

Our after-sales support team is available Monday through Saturday, 09:00–18:00 CST, to assist with technical questions, commissioning guidance, parameter backup procedures, and compatibility verification. Customers are encouraged to contact us before installation if there is any uncertainty about firmware compatibility or system integration requirements.

TOPNLMS maintains a standing inventory of IndraDrive C control sections and related drive components to support emergency replacement requirements. Customers with recurring procurement needs are invited to discuss framework agreements and priority stock allocation to ensure supply continuity for critical production lines.

© 2026 TOPNLMS. All rights reserved.
Original Source: https://topnlms.com
Contact: [email protected] | +86 18359293191