Kollmorgen CB06550 Replacement/Upgrade Solution for Servostar CD

Product Overview

Kollmorgen CB06550 Replacement/Upgrade Solution for Servostar CD: Seamless Migration & Legacy System Compatibility

The Kollmorgen CB06550 is a servo drive module from the Servostar CD series, widely deployed in precision motion control applications across CNC machining centers, packaging lines, semiconductor handling equipment, and industrial robotics. As the Servostar CD platform approaches end-of-life and spare parts become increasingly scarce, plant engineers and procurement teams face mounting pressure to source verified replacement units or plan a structured upgrade path that minimizes production downtime and preserves existing wiring infrastructure.

TOPNLMS supplies the CB06550 as a direct replacement and upgrade solution for legacy Servostar CD installations. Each unit is sourced from authorized channels, subjected to pre-shipment functional verification, and backed by a 12-month warranty. Whether you need a like-for-like swap to restore a failed axis or are planning a phased migration to a modern servo platform, our technical team can support your project from initial compatibility assessment through to commissioning.

Compatibility Comparison Table

Seamless Upgrade Solutions

A successful CB06550 replacement rarely involves the servo drive in isolation. In most Servostar CD installations, the drive operates within a coordinated motion architecture that includes a Kollmorgen AKD or Servostar 620/640 multi-axis controller acting as the CANopen master, distributing position and velocity commands across multiple drive nodes. When replacing the CB06550, engineers should verify that the CANopen node address and baud rate settings match the existing network configuration to avoid communication faults on startup.

On the motor side, the CB06550 is typically paired with Kollmorgen Goldline or AKM series servo motors. The resolver feedback cable pinout on these motors is directly compatible with the CB06550’s 15-pin D-sub feedback connector, meaning the motor cable can be reused without modification in most retrofit scenarios. If the installation uses an incremental encoder instead of a resolver, the CB06550’s encoder interface card should be confirmed present before ordering.

Power distribution within the control cabinet often involves a shared DC bus or individual AC input filtering. The CB06550 accepts the same 3-phase AC input as its predecessors, so existing line reactors, EMC filters, and fusing arrangements remain valid. In multi-axis cabinets, the Servostar CD bus capacitor module and shared brake resistor assembly are also compatible and should be inspected as part of the replacement procedure.

For facilities running PROFIBUS-DP networks — common in older Siemens S7-300 or S7-400 PLC environments — the optional PROFIBUS interface card for the Servostar CD series allows the CB06550 to integrate directly into the existing DP segment without requiring a protocol gateway. This is particularly valuable in food processing and automotive body shop applications where the PLC program and GSD file configuration can be preserved with minimal modification.

If the retrofit involves upgrading the HMI layer, Kollmorgen’s WorkBench software provides a direct parameter migration path from older DRIVEGUI configurations, reducing commissioning time significantly. In cases where the control cabinet also houses a Beckhoff EtherCAT coupler or a Phoenix Contact Inline I/O system for auxiliary signals, the CB06550’s digital I/O terminals are wired identically to the replaced unit, preserving the existing I/O mapping in the PLC program.

For applications requiring signal isolation between the servo drive’s analog command input and the PLC analog output module — particularly in environments with high electrical noise from variable frequency drives or welding equipment — a DIN-rail mounted signal isolator (such as a 4–20 mA or ±10 V isolator module) is recommended as part of the upgrade bill of materials. This step is often overlooked but significantly improves long-term drive reliability in electrically noisy cabinets.

Retrofit Guidance FAQ

Q: Can I reuse the existing motor power and feedback cables?
In the majority of Servostar CD installations, yes. The CB06550 uses the same motor power connector pinout and the same 15-pin D-sub resolver/encoder feedback connector as earlier CD-series drives. Verify cable shielding integrity and connector condition before reuse, particularly in installations older than 10 years.

Q: Do I need to rewrite the PLC program after replacing the CB06550?
Not typically. If the replacement drive is configured with the same CANopen node ID, baud rate, and operating mode (position, velocity, or torque) as the failed unit, the PLC program requires no modification. Use WorkBench or DRIVEGUI to restore parameters from a backup file, or manually re-enter parameters from the original commissioning sheet.

Q: What if my system uses PROFIBUS-DP instead of CANopen?
The CB06550 supports an optional PROFIBUS-DP interface card. Confirm the card is installed in the replacement unit before shipment. The existing GSD file and DP address configuration in the PLC (Siemens STEP 7 or TIA Portal) remain valid as long as the DP slave address is set identically on the new drive.

Q: Will the CB06550 fit in the same cabinet space as the unit being replaced?
Yes. The Servostar CD series maintains a consistent mechanical envelope across the CB0x family. No cabinet modifications, additional DIN rail sections, or cable duct rerouting are required for a like-for-like replacement.

Q: How do I handle the brake resistor connection during replacement?
The external brake resistor terminals on the CB06550 are pin-compatible with other CD-series drives. If a shared brake resistor assembly is used across multiple axes, verify that the resistor’s power rating is adequate for the regenerative energy of the axis being replaced, particularly if the motor or load inertia has changed.

Q: What is the lead time and shipping arrangement?
In-stock units ship within 1–3 business days from Xiamen, China via DHL Express, FedEx International Priority, or sea freight depending on order volume. Export documentation, commercial invoice, and packing list are provided for customs clearance. Expedited shipping is available for emergency breakdown situations.

Warranty Assurance

Every CB06550 unit supplied by TOPNLMS is covered by a 12-month warranty from the date of shipment. Pre-shipment testing includes power-on functional verification, communication interface check, and visual inspection for physical damage. Units that fail within the warranty period are eligible for replacement or repair at no additional cost, subject to confirmation that the failure is not attributable to installation error, overvoltage, or mechanical damage.

Our after-sales response target is 24 hours for technical queries and 48 hours for warranty claim initiation. Replacement units for confirmed warranty cases are dispatched with priority shipping to minimize your production downtime. We maintain buffer stock of common Servostar CD series components to support rapid warranty fulfillment.

For procurement teams requiring documentation, we can provide a test report, certificate of conformity, and country-of-origin declaration (Germany) upon request. All units are shipped with original or equivalent packaging to ensure safe transit.

TOPNLMS has been supplying industrial automation components to manufacturing facilities, system integrators, and MRO procurement teams across Asia, Europe, and the Americas. Our focus on Kollmorgen, Siemens, Rockwell, Schneider, and Mitsubishi product lines means we maintain deep technical familiarity with the systems our customers operate — not just the part numbers.