KUKA MFC3 00-117-336 Robot Controller Card – Obsolete KRC2 Spare Part

Technical Dossier

Product Details And Specifications

KUKA MFC3 00-117-336 Robot Controller Card – Obsolete KRC2 Spare Part

The KUKA MFC3 (Multi-Function Computer 3) card, part number 00-117-336, is the central processing and communication board installed in KUKA KRC2 robot controllers. This card manages real-time motion interpolation, fieldbus communication, and I/O coordination across the entire robot cell. When this board fails, the robot controller is non-functional — there is no partial workaround.

Technical Specifications

Solving the Discontinued Hardware Crisis

The KUKA KRC2 controller platform was the dominant robot controller in automotive body-in-white, foundry, and general assembly applications from approximately 1996 through 2012. Tens of thousands of KRC2 units remain in active production service globally, particularly in facilities where the capital cost of full robot replacement cannot be justified within current budget cycles.

The MFC3 card is the single most failure-prone board in the KRC2 architecture. It is exposed to sustained thermal cycling, vibration, and in many installations, inadequate cabinet cooling. Failure modes include corrupted boot sequences, loss of fieldbus communication, and complete controller lockout. Because the MFC3 integrates motion control, I/O management, and network communication on a single board, there is no functional substitute within the KRC2 platform — the card must be replaced like-for-like.

KUKA ceased manufacturing MFC3 boards as part of the KRC2 end-of-life process. Official KUKA service channels no longer carry this part. Facilities that have not pre-positioned spare MFC3 inventory face the following decision when a failure occurs: source from the secondary market immediately, or commit to a full controller upgrade under emergency conditions — the worst possible procurement scenario for capital equipment.

DriveKNMS specializes in exactly this gap. We maintain sourced, tested, and documented MFC3 00-117-336 units for facilities that need to extend KRC2 asset life by 5 to 10 years without a platform migration.

Condition & Reliability Assurance

All MFC3 00-117-336 units processed by DriveKNMS undergo a structured 5-step quality verification protocol before dispatch:

• Step 1 – Visual and Physical Inspection: Full board examination for mechanical damage, burnt components, cracked solder joints, and corrosion on edge connectors and pin headers.
• Step 2 – Electrolytic Capacitor Assessment: Identification and replacement of aged or bulging electrolytic capacitors, which are the primary failure point on boards of this age and thermal history.
• Step 3 – Firmware Version Verification: Confirmation that the onboard firmware revision is compatible with the target KRC2 software version. Mismatched firmware is a common cause of post-replacement boot failure.
• Step 4 – Pin and Connector Integrity Check: Inspection of all backplane connectors and I/O headers for oxidation, bent pins, and contact resistance anomalies.
• Step 5 – Functional Power-On Test: Where test bench infrastructure permits, boards are powered and verified for basic initialization and communication response prior to packaging.