KUKA KR Series Modules: 00-205-328 / 00-201-179

Technical Dossier

Product Details And Specifications

KUKA KR Series: Comprehensive Module Range and Technical Overview

The KUKA KR Series represents one of the most widely deployed industrial robot platforms in global heavy industry. Installed across petrochemical refineries, nuclear facility material handling systems, automotive body-in-white lines, and offshore platform maintenance operations, the KR Series encompasses articulated robot arms ranging from 6 kg to 1000 kg payload capacity. The servo drive and axis controller modules within this series — including the core part numbers 00-205-328 and 00-201-179 — are critical field-replaceable units (FRUs) that govern axis torque, position feedback, and safety interlock logic. Given the multi-decade operational lifespan of KR Series installations, demand for certified replacement servo modules remains structurally high across MRO (Maintenance, Repair & Overhaul) procurement channels worldwide.

The Evolution of KR Series Architecture

The KUKA KR Series has undergone three distinct architectural generations since its commercial introduction. The first generation (KR 6, KR 15, KR 30 — circa 1990s) used analog servo amplifiers with resolver-based feedback and proprietary KRC1 controller integration. Compatibility between first-generation servo modules and later KRC2 controllers requires dedicated adapter boards and firmware downgrade procedures.

The second generation (KRC2 era, 2000–2012) standardized on digital SERCOS-II communication between the KR C2 cabinet and axis servo modules. Part numbers in the 00-2xx-xxx range — including 00-205-328 and 00-201-179 — originate from this generation. These modules use DSP-based current control loops with 16-bit encoder resolution and are not forward-compatible with KRC4 without hardware modification.

The third generation (KRC4, 2012–present) introduced EtherCAT-based drive communication, replacing SERCOS-II. KRC4-native servo modules carry part numbers in the 00-3xx-xxx and 00-4xx-xxx ranges. Facilities running mixed KRC2/KRC4 fleets must maintain separate spare parts inventories for each generation. The KRC2-era modules are now in the end-of-life (EOL) phase per KUKA's official product lifecycle policy, making third-party MRO sourcing the primary procurement channel for ongoing maintenance.

KR Series Full Catalog & Functionalities (SKU List)

The following SKUs represent verified components within the KUKA KR Series ecosystem, classified by functional category:

Servo Drive & Axis Controller Modules

• 00-205-328: KR10/KR6 axis servo drive module, KRC2 generation, SERCOS-II interface
• 00-201-179: KR6 axis servo amplifier, KRC2 compatible, resolver feedback input
• 00-109-545: KR 150/210 servo drive, high-current output stage, KRC2 cabinet mount
• 00-116-344: KR 30/60 axis module, dual-channel encoder interface, KRC2
• 00-130-468: KR 16 servo controller board, integrated brake relay, KRC2
• 00-160-922: KR 500/1000 heavy-payload servo drive, liquid-cooled variant
• 00-185-741: KR C2 axis computer (AX), 6-axis coordination processor

Power Supply & Distribution Modules

• 00-106-003: KRC2 primary power supply unit, 48 VDC bus, 20 A continuous
• 00-118-652: KRC2 regenerative braking resistor module, 2.2 kW dissipation
• 00-132-876: KRC2 DC link capacitor bank assembly, 2200 µF/800 V
• 00-155-290: KRC2 24 VDC auxiliary power supply, controller logic rail

I/O & Safety Interface Modules

• 00-107-801: KRC2 digital I/O expansion board, 32 DI / 32 DO, 24 VDC
• 00-121-334: KRC2 safety interface module (SIB), EN 954-1 Cat. 3 rated
• 00-143-209: KRC2 fieldbus gateway, DeviceNet master, 500 kbps
• 00-177-456: KRC2 PROFIBUS-DP slave adapter, 12 Mbps, DIN rail mount

Communication & Controller Boards

• 00-190-261: KRC2 main computer board (PC104 form factor), Celeron-based
• 00-198-503: KRC2 SERCOS-II fiber optic ring controller card
• 00-203-714: KRC2 teach pendant interface board, USB + CAN bridge

Sourcing Hard-to-Find & Obsolete KR Series Parts

KUKA officially discontinued KRC2-generation spare parts production between 2018 and 2022. For facilities operating KR Series robots on KRC2 controllers — common in chemical processing, foundry automation, and legacy automotive transfer lines — the only viable procurement path for modules such as 00-205-328 and 00-201-179 is through specialist MRO distributors with verified surplus inventory.

DriveKNMS maintains a dedicated inventory pool of KRC2-era KUKA servo modules sourced from decommissioned production lines, controlled factory closures, and OEM overstock liquidations. Each unit is catalogued by part number, hardware revision, and firmware version to ensure cross-compatibility with the target KRC2 cabinet configuration. For multi-unit procurement (e.g., full axis set replacement for a KR 30 or KR 150), volume pricing and lead-time commitments are available upon request.

Quality Control for the KR Series Range

KRC2-generation servo modules present specific test challenges due to their integrated SERCOS-II communication stack and multi-layer PCB construction. DriveKNMS applies the following verification protocol to all KR Series units prior to dispatch:

• Visual & mechanical inspection: Connector pin integrity, capacitor ESR check, heat sink bond verification, conformal coating condition assessment.
• Power stage functional test: IGBT gate drive waveform analysis under resistive load; shoot-through protection verification; over-current trip threshold calibration check.
• Encoder feedback loop test: Resolver excitation signal injection; sin/cos output amplitude and phase balance measurement; interpolation accuracy verification to ±1 LSB at 16-bit resolution.
• SERCOS-II communication test: Ring initialization sequence validation; cyclic data exchange at 2 Mbps and 4 Mbps baud rates; phase progression P0→P4 confirmation.
• Thermal cycling: 4-hour soak at 55°C operating temperature; post-thermal re-test of all electrical parameters.
• Firmware version logging: Each unit's embedded firmware version is recorded and disclosed to the buyer to confirm compatibility with the target KRC2 software release.