Siemens 6SN1145-1BA01-0DA1 – AC Servo Drive Amplifier | SIMODRIVE 611 Platform
Engineering Background: The SIMODRIVE 611 series represents Siemens’ flagship modular drive system for CNC machine tools and high-precision motion control applications. Engineered for demanding industrial environments, the 611 platform delivers deterministic torque response, tight velocity regulation, and seamless integration with SINUMERIK CNC controllers — making it the reference standard for multi-axis machining centers, grinding machines, and transfer lines globally.
Product Positioning: The 6SN1145-1BA01-0DA1 is a power module (infeed/regenerative feedback unit) within the SIMODRIVE 611 architecture. It serves as the DC bus supply and energy recovery backbone for connected drive modules, enabling regenerative braking energy to be fed back to the mains — reducing energy consumption and protecting downstream components from overvoltage. This unit is essential for any SIMODRIVE 611 multi-axis drive group requiring a regulated, stabilized DC link.
Complete Technical Specifications
| Part Number | 6SN1145-1BA01-0DA1 |
| Series / Platform | SIMODRIVE 611 – Infeed / Regenerative Module |
| Manufacturer | Siemens AG (Germany) |
| Module Type | Unregulated Infeed / Regenerative Feedback Unit |
| Input Voltage | 3-phase AC, 380–480 V ±10% |
| Input Frequency | 47–63 Hz |
| DC Link Voltage | ~600 V DC (nominal) |
| Continuous Input Current | 28 A (refer to datasheet for peak) |
| Regenerative Feedback | Yes – active regeneration to mains |
| Cooling Method | Forced air (internal fan) |
| Protection Class | IP20 |
| Ambient Temperature | 0 °C to +40 °C (operating); –25 °C to +70 °C (storage) |
| Humidity | ≤ 95% RH, non-condensing |
| Weight | Approx. 4.6 kg |
| Mounting | DIN rail / panel mount, booksize format |
| Interface / Bus | SIMODRIVE 611 drive bus (internal DC link bus bar) |
| Compatible Controllers | SINUMERIK 840D, 810D, 802D; SIMOTION |
| CE / UL Compliance | CE marked; UL listed |
| Country of Origin | Germany |
Proven Application Environments
- Multi-axis CNC machining centers (milling, turning, grinding)
- High-speed transfer lines and flexible manufacturing systems (FMS)
- Precision grinding and honing machines
- Gear hobbing and gear grinding equipment
- Coordinate measuring machines (CMM) with servo-driven axes
- Semiconductor and electronics assembly automation
- Retrofit and modernization of legacy SIMODRIVE 611 installations
Engineering Advantages
- Regenerative Energy Recovery: Returns braking energy to the AC mains, reducing net energy consumption by up to 30% in high-cycle applications.
- Stable DC Bus: Maintains a regulated DC link voltage across all connected drive modules, preventing nuisance trips during rapid deceleration.
- Modular Scalability: Supports expansion of the drive group by adding additional axis modules without replacing the infeed unit.
- Proven MTBF: SIMODRIVE 611 components are rated for >50,000 hours MTBF in controlled environments.
- Seamless SINUMERIK Integration: Native compatibility with SINUMERIK 840D/810D eliminates the need for external interface adapters.
- Compact Booksize Format: Minimizes cabinet footprint while delivering full power density.
System Architecture & Signal Flow
In a SIMODRIVE 611 drive group, the 6SN1145-1BA01-0DA1 infeed module occupies the leftmost slot of the drive line-up. It rectifies the 3-phase AC supply into a stabilized DC bus (~600 V DC) distributed via internal bus bars to all connected axis/spindle drive modules. During motor deceleration, regenerated energy flows back through the infeed module to the AC mains via the active front-end IGBT bridge — eliminating the need for braking resistors in most duty cycles. The module communicates drive-group status (ready, fault, DC bus OK) to the SINUMERIK CNC via the SIMODRIVE drive bus and digital I/O interface.
Sourcing & Quality Verification
- Source: Sourced from authorized Siemens distribution channels and verified OEM surplus inventories.
- Inspection: Each unit undergoes visual inspection, label verification (part number, date code, firmware revision), and functional power-on test prior to shipment.
- Authenticity: Holographic Siemens labels and factory serial numbers verified against Siemens product traceability database where applicable.
- Packaging: Ships in anti-static ESD packaging with foam cushioning; original Siemens packaging retained where available.
- Warranty: 12-month warranty against manufacturing defects; DOA replacement within 7 business days.
Procurement Process
- Confirm Part Number: Verify 6SN1145-1BA01-0DA1 against your machine’s drive group configuration (check the existing infeed module nameplate or SINUMERIK spare parts list).
- Request Quote: Contact us via support@konmask.com or +0086 19859288691 for volume pricing, lead time, and export documentation.
- Order & Payment: Secure checkout via Shopify; T/T bank transfer and PayPal accepted for B2B orders.
- Shipping: DHL Express / FedEx International Priority; typical transit 3–7 business days worldwide. Export documentation (commercial invoice, packing list, COO) provided.
- Incoming Inspection: We recommend a bench power-on test before installation. Our technical team can provide commissioning guidance remotely.
Technical FAQ
Q: Is the 6SN1145-1BA01-0DA1 compatible with SIMODRIVE 611A and 611D axis modules?
A: Yes. The infeed module is compatible with both the analog (611A) and digital (611D/611U) axis drive modules within the SIMODRIVE 611 booksize family.
Q: Can this unit replace a 6SN1145-1BA00-0DA1 (without regeneration)?
A: The -1BA01- variant includes active regenerative feedback; the -1BA00- does not. Electrical and mechanical form-factor are identical, so substitution is possible, but verify your mains supply can accept regenerated current and that your cabinet wiring is rated accordingly.
Q: What firmware version is required on the SINUMERIK 840D for compatibility?
A: This hardware module is firmware-independent at the infeed level. SINUMERIK NCK/PLC firmware ≥ V2.x is recommended for full diagnostic support.
Q: Do you provide a test report or certificate of conformity?
A: Yes. A functional test report and certificate of conformity are available upon request for OEM and MRO procurement teams.
Q: What is the lead time for bulk orders (>5 units)?
A: Typically 5–15 business days depending on stock availability. Contact us for a firm commitment.
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Contact: support@konmask.com | +0086 19859288691
