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Product Model: CACR-02-KIBA
Product Brand: Yaskawa Electric
Product Series: CACR (Servo / ServoController / Servopack)
Key Features (from available listings):
- 2.47 A AC servo drive, fitted for 230 V AC systems
- Designed as a compact servopack / amplifier module for axis control
- Used / surplus condition offerings in industrial automation marketplaces
- Typically supports motor feedback, tuning, drive control for small to moderate servo motor sizes
- CACR-02-KIBA
Applications & Industry Context
In automation systems—especially in robotics, CNC, pick-and-place machines, or small axis motion stages—precision, responsiveness, and compact servo control are essential. The CACR-02-KIBA servopack fits into those roles as a drive amplifier that accepts command signals, drives the motor, and coordinates feedback loops.
Because it’s relatively compact and rated for moderate current (2.47 A) on 230 V AC input, this model is suited for smaller servo motors—maybe in tooling axes, indexing tables, small robots, or auxiliary axes in machines rather than main spindles. In factories migrating older systems or supplementing existing axes, a module like CACR-02-KIBA can be slotted into the drive rack or control cabinet.
In retrofits where the mechanical side remains and only the drive is replaced, CACR-02-KIBA often is used as an “upgrade” drive—provided the feedback interface and command signals match. Its presence in surplus and used marketplaces suggests it is a legacy or high-use item in many older industrial plants.
It is also found in automation resale markets: many sellers list it under “servo drive / servopack” categories, and many units are sold used or refurbished to maintain motion systems that are still in production.
Technical Features & Benefits
Below are the known and inferred technical details, and practical insights on how the CACR-02-KIBA performs in field systems.
Electrical Rating & Drive Capacity
The drive is rated for 2.47 A output current and is intended to run on 230 V AC input. This class of drive is suitable for smaller servo motors where torque demands are moderate.
As a servo amplifying module, it handles switching, current control loops, and motor commutation. It likely supports internal tuning, gain adjustment, protective functions (overcurrent, overvoltage, thermal), and integration with motion controllers.
Compact Form & Integration
The “KIBA” suffix may refer to a specific package style or configuration variant of CACR series drives tailored to certain markets or mechanical constraints. The compact nature of this model makes it suitable for insertion into drive stacks or control boards with tight space constraints.
Because many listings show used units in good condition, the drive’s construction is likely robust, able to withstand industrial environments (vibration, heat) when installed properly.
Legacy / Surplus Ecosystem
Because CACR-02-KIBA appears in used/repair markets, it’s often found as a replacement to keep older axes alive. This suggests it’s compatible with long-standing Yaskawa control architectures or servo systems in older plants.
One benefit here is that a user with limited motion hardware budgets can obtain a working drive for lower cost (used or refurbished) and keep existing motors in operation.
Technical Specifications Table
Here is a speculative / marketplace-based spec table. Use it as a starting reference, not final:
| Specification | Approximate Value | Notes / Source |
|---|---|---|
| Model | CACR-02-KIBA | — |
| Brand | Yaskawa Electric | — |
| Type | Servo Drive / Servopack | Classified broadly as servo amplifier module |
| Output Current | 2.47 A | Listed in seller’s description for 230 V model |
| Input Voltage | 230 V AC | Based on eBay listing “230V AC” for CACR-02-KIBA |
| Cooling | Likely forced-air / heatsink (in module) | Inferred from typical servopack design |
| Feedback Interface | Likely incremental encoder or resolver (typical for Yaskawa servo systems) | Assumed—need confirmation |
| Control Interface | Pulse/Direction, analog, or digital command input (as typical in servo drives) | Inference, not confirmed |
| Protection Features | Over-current, over-voltage, temperature, short-circuit protections (standard in drives) | Assumed based on industrial drive norms |
| Condition / Availability | Mostly used / refurbished | Many listings show “used” condition |
| Compatibility | With motors and controllers in Yaskawa CACR / servo ecosystems | Implied by product family name |
| Performance | Suitable for small-to-medium axis control | Based on current rating and used deployment |
Because I could not locate a complete manufacturer datasheet, important details—max speed, torque load limits, feedback resolution, tuning parameters—must be validated with original Yaskawa documentation or service manuals.
Installation & Maintenance Insights
Using the CACR-02-KIBA in real installations requires attention to wiring, cooling, feedback matching, and fault protection.
Mounting & Thermal Control
Mount the drive in a ventilated enclosure or cabinet with sufficient clearance. Because servo drives dissipate heat during operation (especially under load), allow airflow around heatsinks and mounting surfaces. If the drive module is tightly packed, consider forced-air fans or ventilation.
Avoid placing the drive near other heat-generating devices (power resistors, transformers). Use proper cable routing to minimize heat transfer.
Power & Wiring
Use properly rated wiring for AC input, ensuring minimal voltage drop and shielding if necessary. The drive’s input must be fused or protected per manufacturer-prescribed ratings.
Grounding is critical: ensure a solid chassis ground and signal reference. Avoid noisy loops through shield wires, and follow good EMC practices (shielded cable, separated power and signal runs).
Feedback / Motor Connection
Because this is a servo drive, the motor feedback (encoder / resolver) must match the drive’s expectations. Mismatches in resolution, polarization, or wiring can lead to instability or faults. During setup, verify that the drive is configured for the correct feedback type, scaling, and direction.
The command interface (pulse/direction, analog, communication) must also be correctly mapped, and matching with the motion controller.
Commissioning & Tuning
Start with conservative gains during commissioning. Gradually increase control loop gains while monitoring errors, temperatures, current draw and response behavior. Record fault codes (overcurrent, driver error, etc.). Make incremental tuning adjustments.
If the drive supports it, store parameter backups (e.g. drive settings, motor parameters) so you can restore if hardware is replaced.
Preventive Maintenance
Regularly inspect connectors, cable terminations, and cooling system integrity (fan, airflow, dust). Clean dust or debris from heatsinks and ensure ventilation remains clear.
Monitor temperature, any drift in performance (e.g. rising current for same load), and signs of vibration or electrical noise in feedback signals.
If possible, test the drive off-line or in a backup system before replacing it in a live axis.
Because many CACR-02-KIBA units in the market are used or refurbished, carefully evaluate vendor warranty, testing, and functional validation before purchase.
Related Models
Here are some related servo-drive / servopack models in the Yaskawa CACR / servo line:
- CACR-02-SU23GC — another CACR-series drive, but different variant. (Radwell lists CACR-02-SU23GC as a servo control module)
- CACR-01-KIBA — an earlier or lower-current variant (if exists) in the same family
- CACR series general drives — similar models with other suffixes (KIBA, SU, etc.)
- Yaskawa Sigma / Sigma-II / Sigma-5 drives — more modern drive lines by Yaskawa, often used in place of older drives
- Yaskawa servopack models — older or newer servo drives from Yaskawa (e.g. CACR-, SGDH-, etc.)
When swapping drives, check that feedback interface, mounting form factor, cooling demands, and power envelope are compatible.
