Description
- Key Technical Specifications
| Parameter | Specification |
| Manufacturer | Kollmorgen |
| Model / Part Number | CB06551 |
| Product Platform | SERVOSTAR CD / CB Series |
| Continuous Output Current | 6 A RMS |
| Peak Output Current | 18 A RMS (up to 0.5 s) |
| Current Loop Update Rate | 16 kHz |
| Control Interfaces | SERCOS III, CANopen, EtherCAT, Analog/Pulse |
| Feedback Support | Resolver and Encoder feedback |
| Safety Features | Safe Torque Off (STO), integrated regenerative braking |
| Applications | Multi-axis packaging, printing, assembly, and CNC automation |
- Product Introduction & Supply Chain Strategy
The Kollmorgen CB06551 is a compact digital servo drive engineered for high-precision multi-axis motion control across packaging, assembly, printing, and general industrial automation systems. It provides 6 A continuous output current with peak overload capability up to 18 A, driving rotary servomotors with tight current loop updates and real-time feedback processing.
Sourcing the CB06551 as New Surplus is a strategic requirement for maintaining legacy production lines built around the SERVOSTAR CD architecture. Relying on refurbished drives introduces critical risks, such as degraded internal DC-bus capacitors, fatigued IGBT power stages, and trace thermal damage. Securing factory-fresh surplus guarantees full OEM dielectric strength and motor control accuracy, minimizing Total Cost of Ownership (TCO) while eliminating costly unscheduled line stoppages.
- Installation & Configuration Guide
1.Stage 1: Pre-Installation Setup & Safety Protocols:Preparation.
Isolate and lockout/tagout (LOTO) all main AC line power feeds supplying the drive cabinet. Attach a grounded ESD wrist strap before unpacking or touching the replacement drive. Document parameter tables, motor feedback settings, DIP switch positions, and node addresses from the original drive using clear digital photos.
2.Stage 2: Safe Hardware Removal:Extraction.
Verify DC bus capacitor voltage has dropped to zero volts using a certified meter before touching power terminals. Unscrew power supply terminals, motor leads, feedback connectors, and network cables carefully to avoid strain on internal connector pins. Remove mounting hardware and unseat the drive from the panel backplate.
3.Stage 3: Hardware Cloning & Mechanical Seating:Matching.
Match all DIP switch settings, address rotary switches, and jumper configurations on the new CB06551 to mirror the original unit exactly. Mount the drive securely onto the electrical cabinet backplate using appropriate torque fasteners to ensure solid chassis grounding.
4.Stage 4: Power-On Verification & Testing:Commissioning.
Double-check 24 V logic and AC main power connections for correct polarity and tight terminations. Power up logic voltage first, confirm status LEDs indicate normal stand-by state, download stored motor parameter files via software, and apply main power to execute low-speed test jogging.

CB06551

CB06551
- Firmware/Software Versions & Upgrade Notes
- Recommended Control Platform: Compatible with Kollmorgen MotionLink configuration tools and SERVOSTAR CD firmware families.
- Compatibility Note: Ensure matching firmware revision levels when replacing drives within a multi-axis synchronized SERCOS network. Incompatible drive firmware can lead to initialization handshaking failures or bus synchronicity errors.
- Upgrade Caution: Never perform a firmware flash on a live axis under load. Always upload and backup existing drive parameter sets (.mvt / .set files) before replacing hardware or updating firmware.
- Frequently Asked Questions (FAQ)
Is this Kollmorgen CB06551 drive guaranteed to be brand new surplus?
Yes. This unit is 100% New Surplus, sourced from unallocated industrial spare inventory. It has zero operating hours and has never been energized on a production machine.
Why shouldn’t I buy a cheaper refurbished CB06551 servo drive?
Refurbished motion control drives often hide thermal stress on power semiconductors and aged electrolytic capacitors. A single drive failure on a synchronized machine can cause thousands of dollars per hour in downtime. Buying New Surplus ensures full OEM reliability and long operational life.
Does this drive include Safe Torque Off (STO) support?
Yes, the SERVOSTAR CD platform integrated hardware safety features, including Safe Torque Off (STO) and built-in regenerative braking control.
Do I need to program the drive after installing it?
Yes, drive parameters (such as motor feedback alignment, gain tuning, and communication baud rates) must be loaded onto the replacement unit. Downloading the backed-up parameter file from your previous unit using Kollmorgen software restores original functionality.
What warranty is provided with this New Surplus drive?
We back this Kollmorgen servo drive with a full 12-month replacement warranty from the delivery date.

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