DC Drive Motor Control Solution – Siemens C98043-A7007-L1 6RY1703-0FA01 | SIMOREG
Industrial facilities running DC motor-driven machinery — from rolling mills and extruders to hoists and winders — depend on precise, reliable drive control. The Siemens C98043-A7007-L1 / 6RY1703-0FA01 is a proven motor control module from the SIMOREG DC Master platform, engineered to deliver stable armature current regulation, field excitation control, and closed-loop speed feedback in demanding continuous-duty environments. Procurement engineers specify this module when uptime is non-negotiable and replacement lead times must be minimized.
Where This Product Is Used
- Steel & Metal Processing: Rolling mill main drives, coiler/uncoiler tension control, and reversing mill applications requiring precise torque regulation.
- Paper & Pulp Industry: Winder and rewinder drives, calender stack drives, and headbox pump motors demanding tight speed accuracy.
- Mining & Hoisting: Hoist and skip drives, conveyor belt main drives, and crusher motor control where regenerative braking is essential.
- Plastics & Rubber Extrusion: Extruder screw drives and calendar roll drives requiring smooth, stepless speed variation.
- Marine & Offshore: Winch and anchor windlass drives, thruster control systems operating in harsh environments.
- OEM Machine Builders: Retrofit and modernization projects replacing legacy DC drive boards with a form-fit-function equivalent.
Technical Specifications
| Manufacturer | Siemens AG |
| Part Number (Board) | C98043-A7007-L1 |
| Siemens Order No. | 6RY1703-0FA01 |
| Product Family | SIMOREG DC Master |
| Module Function | Motor Control / Firing Pulse Board |
| Drive Type | DC Thyristor Converter Drive |
| Control Topology | Closed-loop armature current & field control |
| Interface | Internal backplane / ribbon connector |
| Operating Voltage | Per SIMOREG system supply (24 VDC logic) |
| Ambient Temperature | 0 °C to +40 °C (operating) |
| Weight | Approx. 4.2 kg |
| Country of Origin | Germany |
| HS Code | 8537.10 |
Why Engineers Specify This Model
- Direct Form-Fit-Function Replacement: Plug-in compatible with SIMOREG DC Master 6RA70 series cabinets — no rewiring or parameter migration required.
- Proven Thyristor Firing Accuracy: Precise gate pulse generation ensures low harmonic distortion and stable DC bus voltage under varying load conditions.
- Dual-Loop Control: Simultaneous armature current and field weakening control enables full four-quadrant operation for regenerative braking applications.
- Robust EMC Design: Shielded PCB layout and optocoupler isolation protect control logic from high-voltage switching transients on the power stage.
- Long Service Life: Industrial-grade components rated for continuous 24/7 operation in Class F insulation environments.
- Reduced Downtime Risk: Stocking this module as a critical spare eliminates multi-week OEM lead times during unplanned outages.
Complete System Bill of Materials
The C98043-A7007-L1 operates within the SIMOREG DC Master ecosystem. A complete drive system typically includes:
- SIMOREG DC Master power unit (6RA70xx series)
- C98043-A7007-L1 / 6RY1703-0FA01 — Motor Control Board (this item)
- Pulse encoder or tachogenerator for speed feedback
- Field supply transformer and rectifier assembly
- PROFIBUS DP or USS communication board (optional, e.g. C98043-A7100)
- Siemens STARTER or DriveMonitor commissioning software
- Fuse protection and line reactor per drive rating
Compliance & Industry Standards
- CE Marked — compliant with EU Low Voltage Directive 2014/35/EU and EMC Directive 2014/30/EU
- UL Listed components (where applicable per SIMOREG system certification)
- RoHS compliant (Directive 2011/65/EU)
- Designed and manufactured to IEC 61800-2 (adjustable speed electrical power drive systems)
- ISO 9001 manufacturing quality system at Siemens production facilities
Quality Assurance & Sourcing
Konmask.com sources the C98043-A7007-L1 exclusively through verified industrial surplus channels and authorized distribution networks. Every unit undergoes:
- Visual Inspection: PCB, connectors, and component condition checked against OEM reference standards.
- Functional Bench Test: Power-on verification and logic signal continuity testing prior to dispatch.
- Traceability Documentation: Batch records, inspection reports, and shipping manifests provided on request.
- Secure Packaging: ESD-safe anti-static bags, foam-lined cartons, and moisture-barrier packaging for international freight.
How to Source This Part
- Submit your RFQ via konmask.com/pages/contact or email support@konmask.com.
- Provide your required quantity, delivery timeline, and destination country.
- Receive a formal quotation with lead time, unit price, and shipping options within 24 business hours.
- Confirm purchase order — payment via T/T, PayPal, or trade finance terms for qualified accounts.
- Dispatch with full documentation: commercial invoice, packing list, test report, and certificate of origin.
Application-Specific FAQ
Q: Is C98043-A7007-L1 compatible with all SIMOREG 6RA70 variants?
A: This board is designed for specific 6RA70 frame sizes. Please confirm your drive’s full order number before ordering to ensure compatibility. Contact our technical team for cross-reference support.
Q: Can this module be used in a four-quadrant regenerative drive?
A: Yes. The 6RY1703-0FA01 supports full four-quadrant operation including regenerative braking when paired with the appropriate anti-parallel thyristor bridge configuration in the power unit.
Q: What is the typical lead time for this part?
A: In-stock units ship within 3–5 business days internationally. For large quantities or urgent requirements, contact us directly for expedited options.
Q: Do you provide a warranty?
A: Yes. All modules carry a 90-day functional warranty covering defects in materials and workmanship under normal operating conditions.
Q: Can you supply the complete SIMOREG drive system?
A: Konmask.com can source complete drive assemblies and associated spare boards. Submit a full BOM for a consolidated quotation.
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