DC Drive Control Solution – Siemens C98043-A7105-L4-9 6RY1803-0DA02 | SIMOREG Series
Where This Product Is Used
The Siemens C98043-A7105-L4-9 (also referenced as 6RY1803-0DA02, board ID A5E00101809-01-001) is a printed circuit board (PCB) control card designed for use inside Siemens SIMOREG DC Master drive systems. Typical deployment environments include:
- Steel rolling mills and metal processing lines requiring precise DC motor speed control
- Paper and pulp production machinery with high-torque, variable-speed drives
- Mining hoists, winders, and conveyor systems demanding reliable closed-loop regulation
- Crane and lifting equipment with regenerative braking requirements
- Chemical and petrochemical plant extruders and agitators
- Printing press drives and textile winding machines
Engineers specify this board as a direct OEM replacement when the original control card fails, exhibits erratic speed regulation, or shows fault codes related to the firing pulse or current feedback circuits in SIMOREG 6RA70 / 6RA24 drive cabinets.
Technical Specifications
| Siemens Part Number | C98043-A7105-L4-9 |
| Order Number | 6RY1803-0DA02 |
| Board ID / Revision | A5E00101809-01-001 |
| Product Family | SIMOREG DC Master |
| Board Function | Control / Firing Pulse PCB |
| Compatible Drive Series | 6RA70, 6RA24 (verify with drive nameplate) |
| Form Factor | Plug-in PCB module |
| Weight | Approx. 800 g (with packaging) |
| Manufacturer | Siemens AG, Germany |
Why Engineers Specify This Model
- OEM-identical replacement — same board revision as factory-installed units; no firmware re-flashing required in most applications
- Drop-in compatibility — connector pinout and mounting holes match original SIMOREG drive chassis
- Proven reliability — SIMOREG DC Master drives are engineered for 24/7 industrial duty; this control board is the heart of that reliability
- Minimises downtime — stocking a spare eliminates multi-week lead times from OEM channels during unplanned outages
- Supports legacy infrastructure — keeps existing SIMOREG installations running without costly full-drive replacement
Complete System Bill of Materials
For a fully operational SIMOREG DC Master drive, engineers typically source the following alongside this control board:
- SIMOREG DC Master power section (6RA70xx series)
- Pulse encoder / tachometer feedback module
- Siemens SIMOREG operator panel (OP1S or equivalent)
- Drive-rated DC motor (matched to drive kW rating)
- Line reactor / input choke for harmonic mitigation
- Fuse sets and contactor rated for DC drive input
Contact support@konmask.com for bundled sourcing assistance.
Compliance & Industry Standards
- Manufactured under ISO 9001 quality management system (Siemens AG)
- Compliant with CE marking directives applicable at time of manufacture
- RoHS status: verify with Siemens product compliance documentation for specific revision
- Suitable for use in installations governed by IEC 60146 (semiconductor converters) and EN 61800-3 (EMC for adjustable speed drives)
Quality Assurance & Sourcing
All PCB boards listed on Konmask.com are:
- Sourced from authorised distributors or verified industrial surplus channels
- Visually inspected for physical damage, burnt components, and connector integrity prior to listing
- Stored in ESD-safe packaging to prevent electrostatic damage during transit
- Shipped with full traceability documentation upon request
Functional testing reports are available for select stock — enquire at time of order.
How to Source This Part
- Confirm your drive model — check the nameplate on your SIMOREG cabinet for the 6RA7x order number and firmware version
- Verify board revision — cross-reference C98043-A7105-L4-9 and A5E00101809-01-001 against your existing board label
- Place your order — add to cart or contact us for volume pricing and lead-time confirmation
- Expedited shipping available — DHL Express, FedEx International Priority, and sea freight options for bulk orders
📧 support@konmask.com | 📞 +0086 19859288691
Application-Specific FAQ
Q: Is C98043-A7105-L4-9 compatible with both 6RA70 and 6RA24 drive families?
A: The board is primarily associated with the SIMOREG DC Master 6RA70 series. Compatibility with 6RA24 depends on the specific drive variant — please share your drive nameplate data for confirmation before ordering.
Q: Do I need to re-parameterise the drive after replacing this board?
A: In most cases, drive parameters are stored in the EEPROM on the control board. Replacing the board means parameters must be re-entered or uploaded from a backup. We recommend backing up parameters via the OP1S panel or DriveMonitor software before replacement.
Q: Can this board be repaired rather than replaced?
A: Component-level repair is possible for some failure modes (e.g., blown gate drive ICs, failed optocouplers). Contact us to discuss repair vs. replace economics for your situation.
Q: What is the typical lead time?
A: In-stock units ship within 1–2 business days. For out-of-stock enquiries, typical sourcing lead time is 2–4 weeks depending on global availability.
Q: Do you provide a warranty?
A: Yes — all boards carry a 90-day warranty against defects in materials and workmanship under normal operating conditions. Extended warranty options are available on request.
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Contact: support@konmask.com | +0086 19859288691
