Original SIEMENS CIM Board 6SL3350-6TK00-0EA0 6SL33506TK000EA0 6SL335O-6TKOO-OEAO 6SL3 350-6TK00-0EA0

Siemens 6SL3350-6TK00-0EA0 | SINAMICS Spare Part Control Interface Module (CIM) — Air-Cooled Devices

Part Number: 6SL3350-6TK00-0EA0

Manufacturer: Siemens AG (Germany)

Product Type: CIM — Control Interface Module (Spare Part)

Product Family: SINAMICS 

Inside the Drive's Communication Layer

The 6SL3350-6TK00-0EA0 is the Control Interface Module (CIM) — the internal communication and control bridge within air-cooled SINAMICS drive systems. As a spare part, it is ordered when the original CIM fails and needs replacement in a drive already in service.

The CIM connects the drive's power section to its Control Unit via DRIVE-CLiQ — Siemens' serial interface for drive component communication. It handles data exchange between the Control Unit and the power-side hardware: transmitting switching commands, returning current and temperature measurement data, and managing the electronic nameplate handshake that identifies the module to the drive system.

The 24VDC / 3A output confirms the CIM also provides control-level power distribution within the drive assembly. Its 4.5 kg weight reflects a substantial PCB-level assembly with internal connectors, signal conditioning components, and the drive interface circuits it houses.

Quick Reference

FAQ

Q1: The SINAMICS drive shows an F30600 (DRIVE-CLiQ hardware fault) or topology error on one axis. Could the CIM be the cause?

Yes. A failed CIM disrupts DRIVE-CLiQ communication between the power section and the Control Unit. The drive cannot identify the power module or exchange cyclic data, triggering topology faults. Confirm by checking whether the DRIVE-CLiQ LED on the CIM is unlit or flashing red — normal operation shows a steady green.

Q2: The 6SL3350-6TK00-0EA0 is listed as "for air-cooled devices." Is there a separate CIM for liquid-cooled SINAMICS drives?

Yes. Siemens produces separate CIM variants for liquid-cooled drive configurations. If the drive uses liquid cooling, confirm the cooling type from the drive's rating plate before ordering — the wrong variant will not fit or function correctly.

Q3: After fitting a replacement 6SL3350-6TK00-0EA0, must the drive be recommissioned?

The CIM does not hold drive parameters. After replacement, the Control Unit reads the electronic nameplate from the new CIM and automatically recognises the module in the DRIVE-CLiQ topology. Full recommissioning is not required for a like-for-like CIM replacement.

Q4: The original CIM failed after a mains voltage surge. Should the Control Unit also be inspected before replacing the CIM?

Yes. A significant surge can stress both the CIM and the Control Unit simultaneously. After fitting the replacement CIM, observe the drive's power-up sequence carefully. If DRIVE-CLiQ errors persist, or if the drive's 24V power rail is erratic, the Control Unit or its power supply should also be investigated.

Q5: The CIM weighs 4.5 kg. What does that imply for the replacement procedure?

The 4.5 kg weight indicates a multi-board assembly rather than a single PCB card. Replacement involves mechanical access to the drive's internal chassis, careful disconnection of multiple cable assemblies and bus connectors, and re-application of any thermal interface material between the CIM and the drive's internal mounting surface. Follow Siemens' service documentation for the specific drive model to ensure all connectors are re-seated in the correct sequence.