KUKA 00-131-492 Power Supply for KR C4

KUKA 00-131-492 Power Supply for KR C4

The KUKA 00-131-492 is a dedicated power supply module engineered to serve as the electrical backbone of the KR C4 robot controller platform. In modern industrial automation, the reliability of a control system is only as strong as its power infrastructure. This module is not simply a standalone component — it is a precision-engineered element designed to integrate seamlessly into the layered architecture of KUKA’s KR C4 ecosystem, ensuring stable, conditioned power delivery across the control layer, I/O layer, drive layer, and communication subsystems simultaneously.

Within a complete KR C4 control cabinet, the 00-131-492 power supply module operates in close coordination with the KR C4 cabinet controller (KSP), the KUKA smartPAD teach pendant, and the KPP 600 (KUKA Power Pack) drive modules. Its 27V DC output rail feeds directly into the controller’s internal logic circuits, maintaining consistent voltage regulation even under dynamic load conditions caused by simultaneous multi-axis motion, I/O polling cycles, and real-time fieldbus communication. This system integration capability is what distinguishes the 00-131-492 from generic industrial power supplies — it is calibrated for the specific electrical demands of KUKA’s servo-driven robotic architecture.

System engineers deploying KR C4-based cells in automotive body-in-white lines, arc welding stations, palletizing systems, or precision assembly applications will find that the 00-131-492 supports the full operational envelope of the KR QUANTEC, KR AGILUS, and KR CYBERTECH robot families. Its compatibility with the KR C4 compact and KR C4 extended cabinet variants makes it a versatile stocking item for multi-robot facilities managing mixed controller generations.

Product Specification Table

System Compatibility Notes

The 00-131-492 power supply module functions as the central energy distribution node within the KR C4 cabinet architecture. Understanding its role requires examining how it interacts with every functional layer of the control system.

At the control layer, the module provides regulated 27V DC power to the KR C4 cabinet controller board, which hosts the KUKA VxWorks real-time operating system and manages all motion planning, interpolation, and safety logic. Without stable power at this layer, the controller cannot maintain deterministic cycle times or guarantee safe stop behavior in accordance with EN ISO 10218-1.

At the drive layer, the 00-131-492 works in conjunction with the KPP 600-20 (KUKA Power Pack) and KSP 600 (KUKA Servo Pack) modules. While the KPP handles the high-voltage DC bus for servo motor excitation, the 00-131-492 supplies the low-voltage logic rail that enables the KSP’s gate driver circuits and encoder feedback interfaces to remain active during standby and safe operational stop (SOS) states.

At the I/O layer, the module’s stable output ensures that the KUKA KIO (KUKA I/O) modules and any connected Beckhoff EtherCAT I/O terminals or Phoenix Contact terminal blocks receive uninterrupted logic power. This is critical in applications where digital I/O signals control safety gates, gripper solenoids, or conveyor interlocks — any voltage fluctuation at this layer can trigger unintended E-stops or false fault conditions.

At the communication layer, the KR C4 architecture relies on EtherCAT as its primary internal fieldbus, with the KUKA KLI (KUKA Line Interface) providing external PROFINET or EtherNet/IP connectivity to upstream PLCs such as Siemens S7-1500 or Allen-Bradley ControlLogix systems. The 00-131-492 ensures that the communication controller within the KR C4 cabinet remains powered independently of the main servo bus, preventing communication dropouts during axis-level fault recovery sequences.

At the human-machine interface layer, the KUKA smartPAD teach pendant draws its operating power through the KR C4 cabinet’s internal distribution, making the 00-131-492’s output stability directly relevant to operator interface responsiveness. In multi-robot cells where a single smartPAD is shared across multiple KR C4 controllers via the KUKA smartPAD adapter, consistent power delivery prevents display freezes or connection timeouts during hot-swap operations.

At the safety layer, the module supports the KR C4’s integrated safety controller (KSC), which monitors dual-channel safety inputs from light curtains, safety mats, and door interlock switches. The 00-131-492’s regulated output ensures that the safety controller’s watchdog circuits remain active at all times, a requirement for achieving PLe / Category 4 safety ratings under EN ISO 13849-1.

Industrial Application Notes

The KUKA 00-131-492 power supply module finds application across a broad spectrum of industrial automation environments where KR C4-based robot controllers are deployed as part of larger, multi-system architectures.

In automotive manufacturing — particularly body-in-white welding lines and door assembly stations — KR C4 controllers manage high-duty-cycle spot welding and sealing operations. The 00-131-492 ensures that controller logic remains stable across multi-shift production schedules, where thermal cycling and continuous I/O activity place sustained demands on internal power components.

In electrical power and energy infrastructure projects, KUKA robots equipped with KR C4 controllers are increasingly deployed for cable harness assembly and switchgear manufacturing. The 00-131-492’s compatibility with the KR C4 extended cabinet makes it suitable for installations in climate-controlled electrical assembly halls where long-term component reliability is prioritized over lowest-cost procurement.

In petrochemical and process industries, KR C4-based systems handle drum filling, valve assembly, and hazardous material handling in ATEX-adjacent environments. While the KR C4 cabinet itself requires zone-appropriate enclosure modifications, the 00-131-492 power module’s role in maintaining controller uptime is critical in facilities where unplanned downtime carries significant safety and regulatory consequences.

In food and beverage packaging lines, KR AGILUS and KR CYBERTECH robots running on KR C4 controllers perform pick-and-place, case packing, and palletizing tasks at high cycle rates. The 00-131-492 supports the controller’s ability to maintain synchronization with upstream conveyor encoders and downstream vision systems, ensuring that the robot’s motion profile remains tightly coupled to line speed variations.

In metal fabrication and machine tending applications, KR C4 controllers interface with CNC machine tools via PROFINET or OPC-UA. The 00-131-492 ensures that the KR C4’s communication interfaces remain active during tool change cycles and spindle warm-up sequences, preventing handshake timeouts that would interrupt automated production flow.

Product Compatibility FAQ

Q1: Is the KUKA 00-131-492 compatible with both the KR C4 compact and KR C4 extended cabinet variants?
Yes. The 00-131-492 is designed for use across the KR C4 platform family, including the KR C4 compact (used with KR AGILUS and KR CYBERTECH series) and the KR C4 extended cabinet (used with KR QUANTEC and larger payload robots). Engineers should verify the cabinet revision and internal mounting configuration against the KUKA spare parts catalog (KSP) before installation, as minor mechanical fitment differences may exist between cabinet generations. Our technical team can assist with cross-referencing part numbers including 00-169-213 and C400-216-801 to confirm compatibility for your specific cabinet serial number.

Q2: How does the 00-131-492 affect system redundancy and fault recovery architecture in multi-robot cells?
In multi-robot KR C4 installations, each controller cabinet contains its own independent 00-131-492 power supply module, providing inherent power-level redundancy at the cabinet boundary. If one cabinet’s power module fails, only that robot’s controller is affected — the remaining robots in the cell continue operating under their own power infrastructure. For applications requiring higher availability, system integrators can implement UPS (uninterruptible power supply) solutions at the cabinet input level to bridge the 00-131-492’s input during mains interruptions. The module’s 27V DC output rail supports a controlled shutdown sequence that allows the KR C4 controller to complete its safe stop routine and preserve program state before power is fully lost.

Q3: What does the warranty terms confirmed during quotation cover, and what support is available for installation and commissioning?
The warranty terms confirmed during quotation covers manufacturing defects and functional failures under normal operating conditions from the date of delivery. It includes replacement or repair of the 00-131-492 module in the event of verified component failure not attributable to installation error, overvoltage events, or physical damage. Our engineering support team provides pre-sales technical consultation to confirm system compatibility, installation guidance for cabinet integration, and post-installation commissioning support to verify correct voltage output and controller recognition. Replacement units are stocked and can be dispatched rapidly to minimize controller downtime in production environments.