KUKA KR C2 / KR C4 Safety Modules - 00-127-755

Name: KUKA KR C2 / KR C4 Safety Modules - 00-127-755
Brand: Kuka

Model: 00-127-755

Brand Kuka

Series KR C2 / KR C4 Safety

Model 00-127-755

RFQ-ready model route Obsolete and surplus sourcing Export follow-up by model list

Product Overview

Commercial availability is handled through direct RFQ, model verification and export-oriented follow-up rather than public cart checkout.

Submit RFQ Email This Model

Datasheet Preview

Use attached product manuals when available. If the manual is not public yet, request the full file directly through RFQ.

Request Full Manual

Commercial Path

Use This Page To Confirm The Model, Then Move To RFQ

Product pages on DRIVEKNMS are designed to verify model, brand and series first, then move the buyer into one clean quotation path.

Technical Dossier

Product Details And Specifications

KUKA KR C2 / KR C4 Series Technical Notes

DriveKNMS reviews sourcing options for this model through RFQ handling before quotation.

The Evolution of KR C2 / KR C4 Architecture

The KR C2 controller was introduced in the late 1990s as KUKA's answer to the demand for a PC-based, open-architecture robot controller. Built on a Windows-based real-time platform (VxWorks kernel for motion control, Windows for the HMI layer), it represented a significant departure from proprietary embedded systems. The internal architecture uses a VME-style backplane with dedicated slots for the CPU board, safety board, servo amplifier interface, and I/O expansion modules.

The KR C2 ed05 (Edition 5) was the final major revision before KUKA transitioned to the KR C4 platform around 2009–2010. The KR C4 introduced a fundamentally different safety architecture — the SafeOperation and SafeRangeMonitoring functions moved from discrete hardware boards to a software-certified safety layer (KUKA.SafeOperation), running on a dedicated safety CPU compliant with IEC 61508 SIL 2. This architectural shift means KR C2 and KR C4 safety modules are not cross-compatible. Facilities running mixed fleets must maintain separate spare pools for each platform.

KR C2 entered the end-of-life phase officially around 2013, with KUKA ceasing volume production of replacement boards. The installed base, however, has not retired at the same pace. Automotive Tier 1 suppliers and foundries operating on 15–25 year capital equipment cycles continue to run KR C2 systems, creating sustained demand for safety boards, CPU modules, and power supply units that are no longer manufactured.

KR C2 / KR C4 Full Catalog & Functionalities (SKU List)

Safety & Monitoring Boards

00-127-755: KR C2 VER.4 Safety Board – primary safety monitoring hardware, enforces E-stop and safety gate logic
00-109-477: KR C2 Safety Board (earlier revision) – functionally equivalent to 00-127-755 in most KR C2 ed05 configurations
00-130-468: KR C4 Safety Interface Board – bridges SafeOperation software layer to external safety PLC
00-168-894: KR C4 ESC (Electronic Safety Circuit) Board – SIL 2 certified, manages axis-level safe torque off (STO)

CPU & Controller Boards

00-109-481: KR C2 Main CPU Board – Intel Celeron-based, runs KSS (KUKA System Software) 5.x
00-127-756: KR C2 DSE-IBS Interface Board – handles INTERBUS-S fieldbus communication
00-118-350: KR C2 RDC (Resolver-to-Digital Converter) Board – axis position feedback processing
00-168-895: KR C4 CCU (Cabinet Control Unit) – central coordination unit for KR C4 power management
00-168-896: KR C4 KPP (KUKA Power Pack) – servo power supply and DC bus management

I/O & Communication Modules

00-109-480: KR C2 MFC (Multi-Function Card) – analog and digital I/O expansion
00-127-757: KR C2 PROFIBUS-DP Master Card – integrates robot into PROFIBUS network
00-130-469: KR C2 DeviceNet Adapter – for facilities using Allen-Bradley ControlLogix as the cell controller
00-168-897: KR C4 EtherCAT Interface – real-time Ethernet I/O for KR C4 systems
00-168-898: KR C4 PROFINET IO Controller Card – integrates KR C4 into Siemens TIA Portal environments

Power Supply Units

00-109-482: KR C2 24VDC Control Power Supply – feeds logic circuits and safety relay chain
00-130-470: KR C2 Teach Pendant (KCP2) Power Interface Board – manages pendant enable circuit
00-168-899: KR C4 SmartPAD Interface Board – connects KUKA SmartPAD to CCU

Sourcing Hard-to-Find & Obsolete KR C2 / KR C4 Parts

KUKA's official end-of-life declaration for KR C2 hardware means that OEM channels no longer carry safety boards, CPU modules, or RDC cards for this platform. The secondary market is the only viable source — and within that market, quality and traceability vary significantly.

Quality Control for the KR C2 / KR C4 Range

Safety boards and CPU modules from the KR C2 era present specific failure modes that require targeted inspection protocols. DriveKNMS applies the following process to all KR C2 and KR C4 safety-critical modules before dispatch:

Continue The Model Path

Use system, brand and series routes to compare related published models.

Move from this exact model into the matching system hub, brand archive, model-family archive or lifecycle sourcing route before sending a final RFQ list.