Siemens C98043-A1603-L11 SIMOREG Gating Board
A configuration-specific SIMOREG 6RA24 gating circuit board associated with the 6RY1243-0EA00 companion assembly.
Key Information
C98043-A1603-L11 is a Siemens SIMOREG 6RA24 gating circuit board identifier. Its documented role is to route firing pulses to the converter thyristor bridges within the matched power section.
The complete converter article, gating section, connector keying, armature-current class and board revision must remain together. The L11 suffix must not be mixed with a visually similar C98043 assembly.
Functions
- Routes controlled firing pulses to the matched SIMOREG converter thyristor bridges.
- Works as part of the SIMOREG gate-control electronics rather than as a universal stand-alone controller.
- Retains the L11 revision identity for a controlled board-level exchange.
- Supports service planning when the companion order and converter section are documented.
Specifications
| Manufacturer | Siemens |
|---|---|
| Model | C98043-A1603-L11 |
| Product Family | SIMOREG 6RA24 |
| Product Role | Gating circuit board |
| Companion Assembly | 6RY1243-0EA00 |
| Power Section | Converter gating section; exact armature-current class required |
| Revision | L11 |
| Electrical Rating | Confirm from installed converter nameplate |
| Connector Arrangement | Compare keying, cables and adjacent boards |
| Handling | Isolate, discharge and use ESD controls |
Installation
- Photograph the complete board label, 6RA24 nameplate, connector positions and adjacent assemblies before removal.
- Confirm the converter class, gating section, companion order and firing sequence against the service record.
- Apply lockout, discharge-time and absence-of-voltage procedures before touching the board.
- After replacement, review diagnostics and test the affected converter function at a controlled operating point.
Lifecycle
- Keep the removed board in sealed ESD packaging with connectors protected.
- Retain the original revision and firing-sequence records with the drive documentation.
- Treat a later SIMOREG or SINAMICS board as a migration project, not a visual substitute.
FAQ
What must be matched before ordering C98043-A1603-L11?
Match the SIMOREG 6RA24 converter class, gating section, companion 6RY1243-0EA00 assembly, connector keying and L11 revision.
Can a similar C98043 board replace C98043-A1603-L11?
Only an exact Siemens cross-reference may approve a substitute; appearance alone cannot establish the firing sequence or power-section compatibility.
Which evidence reduces a C98043-A1603-L11 mismatch?
Provide the complete converter nameplate, board barcode, connector photographs, adjacent-board labels and fault history.
What isolation work is required for C98043-A1603-L11?
Use the site lockout procedure, wait the specified discharge time and prove absence of voltage before removing the gating board.
What should be recorded after installing C98043-A1603-L11?
Record revision, firing sequence, diagnostics, controlled functional results and the final converter configuration.
