Siemens 6RA8018-6DV62-0AA0 – Fully Digital DC Drive Converter | SINAMICS DC Master (DCM)
The Siemens 6RA8018-6DV62-0AA0 is a fully digital, closed-loop DC drive converter from the SINAMICS DC Master (DCM) platform — engineered for demanding industrial motion control applications where precise armature current regulation, high dynamic response, and seamless PROFIBUS/PROFINET integration are non-negotiable. Konmask.com supplies this unit as a verified, traceable component for procurement engineers who require spec-accurate hardware with documented sourcing.
Product Positioning: Designed as a compact, panel-mount DC converter for retrofit and new-build drive systems, the 6RA8018-6DV62-0AA0 replaces legacy SIMOREG DC Master units while maintaining backward compatibility with existing field wiring and control architectures. It is the preferred choice for engineers specifying a reliable, standards-compliant DC drive in the 15 A armature current class.
Complete Technical Specifications
- Part Number / SKU: 6RA8018-6DV62-0AA0
- Series / Platform: SINAMICS DC Master (DCM)
- Manufacturer: Siemens AG
- Country of Origin: Germany
- Rated Armature Current: 15 A DC
- Rated Supply Voltage (Armature): 3-phase AC 400–480 V, ±15%
- Rated Supply Voltage (Field): 1-phase AC 400–480 V
- Output Voltage (Armature): Up to 420 V DC
- Frequency Range: 45–65 Hz
- Control Method: Fully digital, closed-loop (armature current & speed)
- Bridge Topology: 4-quadrant fully controlled thyristor bridge (B6C)
- Control Cycle Time: 3.3 ms
- Cooling: Forced air (internal fan)
- Protection Degree: IP20
- Communication Interface: PROFIBUS DP / USS (onboard); PROFINET via CBE20 option board
- Mounting: Panel / cabinet mount
- Weight: approx. 11 kg
- Ambient Temperature (Operating): 0–40 °C
- Standards / Certifications: CE, UL, cUL
Proven Application Environments
- Paper & printing machine drives (winder/unwinder tension control)
- Metal rolling mill and wire drawing line speed regulation
- Extruder and mixer drives in plastics processing
- Crane and hoist hoisting mechanisms
- Test bench and dynamometer systems
- Retrofit of legacy SIMOREG 6RA70 / 6RA24 installations
Engineering Advantages
- Adaptive current controller: Auto-tuning of armature circuit parameters reduces commissioning time by up to 60%.
- Integrated field supply: Eliminates external field controller; simplifies cabinet layout.
- Dual encoder interface: Supports HTL/TTL incremental encoders for closed-loop speed feedback without additional hardware.
- BICO parameterization: Flexible signal interconnection via Siemens STARTER / SCOUT TIA software.
- Diagnostic LED & fault memory: 8-level fault buffer with timestamp for rapid root-cause analysis.
- Compact footprint: Reduced panel space vs. previous SIMOREG generation.
System Architecture & Signal Flow
The 6RA8018-6DV62-0AA0 operates as a 4-quadrant-capable fully controlled thyristor bridge (B6C topology). The control board executes the current and speed control loops digitally at a 3.3 ms cycle time. Setpoints are received via analog ±10 V inputs or fieldbus (PROFIBUS DP at up to 12 Mbit/s). The integrated field supply provides regulated DC field current to the motor, with field weakening supported for extended speed range operation. All I/O signals are routed through the X177 / X178 terminal blocks on the control board.
Sourcing & Quality Verification
- Origin: Siemens-authorized supply chain; each unit carries original Siemens holographic label and date code.
- Inspection: Visual inspection + functional power-on test prior to shipment.
- Traceability: Serial number and firmware version documented on packing slip.
- Warranty: 12-month Konmask.com operational warranty against manufacturing defects.
- Counterfeit prevention: All units sourced from verified distribution channels; certificates of conformity available on request.
Procurement Process
- Submit RFQ or place order directly via Konmask.com product page.
- Receive order confirmation with lead time and tracking within 24 hours.
- Unit ships with original packaging, inspection report, and packing list.
- Technical support available pre- and post-sale via email or phone.
- Bulk / project quantity pricing available — contact sales for volume discount schedule.
Technical FAQ
Q: Is the 6RA8018-6DV62-0AA0 a direct replacement for the SIMOREG 6RA7018?
A: Yes, with minor wiring adaptation at the control terminal block. Motor and power wiring connections are compatible.
Q: Does this unit support regenerative braking?
A: Yes. The 4-quadrant thyristor bridge supports full regenerative operation (motoring and generating in both directions).
Q: What software is required for commissioning?
A: Siemens STARTER v5.4+ or SCOUT TIA v4.x. A USB-to-RS232 adapter or PROFIBUS PC adapter (e.g., CP5711) is required for PC connection.
Q: Can the field supply voltage be configured for 220 V motors?
A: The field supply input is fixed at 400–480 V AC. For 220 V field motors, an external step-down transformer is required.
Q: What is the typical lead time?
A: In-stock units ship within 1–3 business days. Out-of-stock lead time is 4–8 weeks depending on Siemens production schedule.
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