DC Drive Motor Control Solution – SIEMENS C98043-A7007-L4 | SIMOREG DC Master
Where This Product Is Used
The SIEMENS C98043-A7007-L4 (6RY1703-0FA04) is a motor control board designed for use within the SIMOREG DC Master series of DC drive systems. It is widely deployed in demanding industrial environments where precise DC motor speed and torque regulation is critical, including:
- Steel & Metal Processing: Rolling mills, wire drawing machines, and coiler/uncoiler drives requiring tight speed regulation under variable load.
- Paper & Printing Industry: Web tension control systems and winder/unwinder drives where consistent torque is essential for product quality.
- Mining & Hoisting: Hoist drives, conveyor systems, and crusher drives operating under heavy cyclic loads.
- Marine & Offshore: Deck machinery, winch drives, and anchor handling equipment requiring robust motor control in harsh environments.
- Chemical & Petrochemical Plants: Extruder drives, agitator motors, and pump control systems with explosion-risk zone considerations.
- Cement & Aggregate: Kiln drives, ball mill drives, and conveyor belt systems with high inertia loads.
Technical Specifications
| Part Number | C98043-A7007-L4 |
| Siemens Order No. | 6RY1703-0FA04 |
| Series | SIMOREG DC Master |
| Function | Motor Control / Firing Pulse Board |
| Drive Family | 6RA70 / SIMOREG DC Master |
| Control Type | DC Motor Armature & Field Control |
| Weight | 4,000 g (approx.) |
| Condition | New / Refurbished / Tested (specify on inquiry) |
| Country of Origin | Germany |
Why Engineers Specify This Model
- Proven SIMOREG Platform: The SIMOREG DC Master is one of the most trusted DC drive platforms globally, with decades of field-proven reliability in heavy industry.
- Precise Firing Pulse Control: The C98043-A7007-L4 board governs the thyristor firing sequence, enabling smooth, accurate speed and torque control across the full operating range.
- Direct OEM Replacement: Exact form-fit-function replacement for failed boards in existing SIMOREG 6RA70 installations — no drive cabinet redesign required.
- Reduced Downtime: Stocking this board as a critical spare eliminates multi-week lead times from OEM channels during unplanned outages.
- Wide Compatibility: Compatible across multiple SIMOREG DC Master power ratings within the 6RA70 family.
Complete System Bill of Materials
For a complete SIMOREG DC Master control system, engineers typically specify the following alongside the C98043-A7007-L4:
- SIMOREG DC Master Power Unit (6RA70xx-xxxxx-x)
- CUD1 / CUD2 Electronics Board (C98043-A7100 series)
- Pulse Transformer Board (C98043-A7002 series)
- Interface / I/O Expansion Board (C98043-A7006 series)
- Tachometer / Encoder Feedback Module
- PROFIBUS / PROFINET Communication Module (CBP2 / CBC)
- Fuse Sets & Varistors for thyristor protection
Contact support@konmask.com for complete BOM sourcing assistance.
Compliance & Industry Standards
- CE Marked — compliant with EU Low Voltage Directive and EMC Directive
- UL / cUL recognized components (drive-level certification)
- RoHS compliant (confirm revision with sales team)
- Designed to IEC 60146 (semiconductor converters) requirements
- Compatible with IEC 61800-series adjustable speed drive standards
Quality Assurance & Sourcing
All SIEMENS boards supplied by Konmask.com undergo the following quality process:
- Visual inspection for physical damage, corrosion, and component integrity
- Functional bench test against SIMOREG reference parameters where applicable
- Anti-static packaging with humidity indicator cards
- Traceable documentation: serial number, test date, and technician sign-off
- Sourced from authorized distributors, OEM surplus, or decommissioned systems with full traceability
How to Source This Part
- Add to Cart — for immediate stock availability, proceed directly to checkout.
- Request a Quote — for volume orders (>3 units), OEM pricing, or lead-time confirmation, email support@konmask.com.
- Provide Your Drive Nameplate Data — include your SIMOREG drive model number and existing board revision to confirm compatibility before ordering.
- Expedited Shipping Available — DHL Express, FedEx International Priority, and UPS Worldwide available for urgent plant shutdowns.
Application-Specific FAQ
Q: Is the C98043-A7007-L4 compatible with all SIMOREG 6RA70 variants?
A: It is designed for specific power ratings within the 6RA70 family. Please provide your full drive model number (e.g., 6RA7085-6DV62-0) to confirm compatibility.
Q: Can this board be used in a 4-quadrant regenerative drive configuration?
A: Yes. The SIMOREG DC Master supports 4-quadrant operation; the C98043-A7007-L4 board is compatible with both 2Q and 4Q configurations depending on the power section.
Q: What is the typical lead time if not in stock?
A: Standard lead time is 3–7 business days for sourced units. Expedited sourcing available for critical shutdowns — contact us directly.
Q: Do you provide a warranty?
A: Yes. All tested and refurbished boards carry a 90-day functional warranty. New OEM units carry the standard Siemens warranty.
Q: Can Konmask assist with drive commissioning or parameter backup?
A: We provide technical documentation and parameter backup files where available. On-site commissioning support can be arranged via our partner network.
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Contact: support@konmask.com | +0086 19859288691
