KUKA 00-105-904 Power Supply for KR C2

KUKA 00-105-904 Power Supply for KR C2

In modern industrial robotics and automation environments, the integrity of the control system depends not only on the intelligence of the CPU or the precision of the servo drives, but equally on the stability and reliability of the power supply layer. The KUKA 00-105-904 (SPS-DY150H) power supply module is engineered as a foundational component within the KR C2 robot controller architecture, delivering regulated DC power to the control electronics, I/O subsystems, and safety circuits that govern every motion cycle and process event in the system.

This module is not a standalone device — it is a contextually integrated element of the KR C2 control cabinet ecosystem. Its role spans the boundary between the incoming AC mains and the sensitive DC logic layers that drive the KR C2 controller’s CPU board, the KCP2 teach pendant interface, the RDC (Resolver Digital Converter) card, and the ESC (Electronic Safety Circuit) board. When the power supply operates within specification, every downstream component benefits from clean, stable voltage rails that reduce noise-induced faults, extend component service life, and ensure deterministic control behavior across all operating conditions.

Product Specification Table

System Compatibility Notes

The KR C2 controller architecture is a layered system in which every module depends on the health of the power supply layer. The KUKA 00-105-904 SPS-DY150H sits at the base of this hierarchy, feeding regulated 24 V DC to the control bus that interconnects the following critical components:

The KR C2 CPU board (the central processing unit of the controller) requires a stable, low-ripple DC supply to execute real-time motion programs and manage axis interpolation without timing errors. Voltage instability at this layer directly translates to controller faults, E-stop events, or corrupted program execution. Alongside the CPU, the KCP2 teach pendant — the human-machine interface used by operators and engineers for programming, jogging, and diagnostics — draws its operating power through the same regulated bus, making supply quality critical for display stability and input responsiveness.

The RDC card (Resolver Digital Converter) processes feedback signals from the motor resolvers on each robot axis. This card is highly sensitive to power supply noise; any ripple or transient on the 24 V rail can introduce position feedback errors that manifest as axis deviation alarms or servo faults. Similarly, the ESC board (Electronic Safety Circuit), which manages the robot’s safety-rated stop functions and monitors the dual-channel safety inputs, requires an uninterrupted, clean power source to maintain its safety integrity level (SIL) compliance.

Beyond the core controller electronics, the 00-105-904 also supports the I/O infrastructure within the KR C2 cabinet. Digital I/O modules — including those interfacing with the KUKA KM 40 terminal module and external I/O expansion racks — rely on the 24 V bus for signal conditioning and relay coil actuation. In systems where a KUKA KPS-600/20 servo power supply or KSP 600-3×40 servo pack is installed for axis drive power, the 00-105-904 operates in parallel as the dedicated control-side supply, ensuring that a servo fault or drive-side power event does not cascade into a control electronics failure.

For installations requiring network connectivity, the power supply supports the operational continuity of PROFIBUS DP gateway modules and EtherNet/IP communication cards installed within the KR C2 cabinet, ensuring that fieldbus communication to PLCs, SCADA systems, or upstream MES platforms remains stable even during axis motion or high-load servo events. In redundant or multi-robot cell architectures, maintaining a spare KUKA 00-105-904 alongside units such as the KR C2 ed05 main computer board and the KUKA 00-116-344 fan assembly is a recognized best practice for minimizing unplanned downtime.

Industrial Application Notes

The KUKA 00-105-904 SPS-DY150H is deployed across a wide range of industrial automation environments where the KR C2 platform remains the backbone of robotic control:

Automotive Manufacturing: In body-in-white welding lines and assembly stations, KR C2-controlled robots perform high-cycle spot welding, material handling, and sealing operations. The power supply module ensures that the controller electronics remain stable across multi-shift, 24/7 production schedules, where even brief power anomalies can trigger costly line stoppages.

Metal Fabrication and Foundry: In arc welding cells and casting extraction applications, the KR C2 controller operates in thermally demanding environments. The SPS-DY150H’s wide input voltage tolerance and thermal management compatibility make it suitable for cabinets operating near the upper end of the permissible temperature range.

Packaging and Palletizing Lines: High-speed pick-and-place and palletizing systems demand deterministic controller behavior. The regulated output of the 00-105-904 eliminates voltage sag during rapid axis acceleration events, preserving the timing accuracy of the motion program.

Process Industry and Chemical Plants: In process automation environments where robots perform material transfer, inspection, or valve actuation tasks, the reliability of the control power supply is a maintenance KPI. The warranty terms confirmed during quotation and global parts availability of the KUKA 00-105-904 support the long-term maintenance contracts common in these industries.

Electronics Assembly: In precision assembly and testing cells, where the KR C2 platform is used for component placement or functional testing, the low-noise output of the SPS-DY150H protects sensitive measurement electronics from interference introduced through the control power bus.

Product Compatibility FAQ

Q1: Is the KUKA 00-105-904 compatible with all KR C2 controller variants, including the KR C2 ed05?
The 00-105-904 SPS-DY150H is designed for the KR C2 controller family and is compatible with standard KR C2 and KR C2 ed05 variants. Before installation, verify the cabinet wiring harness connector type and confirm the output voltage requirements of the specific CPU board and I/O configuration in your system. Our technical team can assist with compatibility verification prior to shipment.

Q2: How does this power supply integrate with the broader KR C2 architecture, and can it be replaced without full system shutdown?
The 00-105-904 is a cabinet-integrated module connected to the main AC input and the internal 24 V DC distribution bus. Replacement requires de-energizing the KR C2 cabinet and following KUKA’s lockout/tagout procedure. The module is designed for straightforward swap-out, and with a spare unit on hand, replacement can typically be completed within one to two hours by a qualified service engineer, minimizing production downtime. system integration with the existing wiring harness is maintained through the original connector interface.

Q3: What does the warranty terms confirmed during quotation cover, and what is the recommended spare parts strategy for KR C2 power supply modules?
The warranty terms confirmed during quotation covers manufacturing defects and functional failures under normal operating conditions. For production-critical KR C2 installations, we recommend maintaining at least one spare 00-105-904 unit per robot cell or per controller cluster. Given the age profile of KR C2 systems in the field, proactive spare parts management — including the power supply, RDC card, and ESC board — is the most cost-effective strategy for sustaining long-term system availability. Contact our team for volume pricing and consignment stock arrangements.