Detailed Description:
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Core Function: Acts as the system’s power entry and energy distribution unit. It rectifies the input three-phase AC power into DC and establishes a stable DC 600V link, supplying power to all drive modules connected to this link.
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Unregulated Design: This module is “unregulated,” meaning its output DC link voltage fluctuates with variations in the input AC voltage. It is typically used in applications where strict DC link voltage stability is not critical and where a small number of drive modules are connected.
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Modular System: It is the foundational element of the SIMODRIVE 611 modular system. It must be installed in the leftmost position of the rack (typically slot 1), with subsequent drive modules mounted side-by-side to its right.
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Monitoring & Protection: The module is equipped with LED status indicators showing states such as “Ready” and “Fault.” It provides basic internal protection features like overtemperature and overcurrent protection.
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Application Range: Widely used in CNC machine tools and machining centers driven by Siemens SINUMERIK 810D/840D CNC systems, providing power for their feed axis and spindle servo drives.
Key Specifications:
| Parameter | Details |
|---|---|
| Model | 6SN1118-0DM33-0AA2 |
| Series | SIMODRIVE 611 |
| Module Type | Unregulated Infeed Module (UE) |
| Input Voltage | Three-phase AC 380-480 V AC, 50/60 Hz |
| Output DC Link Voltage | Approx. DC 600 V (unregulated, varies with input) |
| Rated Output Power | Specific value requires checking manual (suffix “33” may indicate a specific power rating) |
| DC Link Connection | Supplies power to subsequent drive modules via busbars |
| Status Indication | LED indicators on module show operating status |
| Protection Functions | Basic protection like overtemperature, overcurrent |
| Mounting | Installed in the power supply slot of the dedicated SIMODRIVE 611 rack |
| Typical System Combination | Used with SIMODRIVE 611 series single/dual-axis drive modules, motor modules |
| Compatible CNC Systems | SINUMERIK 810D, 840D, etc. |


