Siemens 1FK6040-6AK71-1EG0
€1,680.00
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The Siemens 6SN1118-0DH21-0AA1 is a two-axis closed-loop control plug-in unit from the modular SIMODRIVE 611 digital drive system. Siemens describes the module as a closed-loop high-performance control for digital drives with a digital setpoint interface. It is intended to control feed axes and main spindle drives and handles two axes within a matching SIMODRIVE-611 power module. This exact version operates without a direct measuring-system connection. That feature is essential when selecting a replacement because similarly named 6SN1118 control boards can use different measuring-system, axis and interface configurations. The documented weight is approximately 0.77 kg. As a plug-in control module, the board performs control and communication tasks, while the power section, infeed and motor connection remain in the associated modular drive system. Digital setpoint transfer integrates it into the intended CNC and drive architecture. The compact plug-in design enables targeted board replacement without replacing the complete power unit. For repair, retrofit or spare-parts stocking, only the complete order number 6SN1118-0DH21-0AA1 is decisive. Before replacement, the axis count, installed power module, motor and encoder version, measuring-system concept, bus system, CNC software version and stored drive data must be checked. A neighbouring 0DK, 0DM, 0NH or other 6SN1118 variant is not automatically compatible. Siemens instructions for de-energised work, ESD protection, connectors and parameterisation must be followed during installation. After hardware replacement, the correct module assignment, data transfer from the control and error-free communication on the drive bus must be verified. Existing machine data and backups should therefore be available before replacement. The module is a targeted spare for existing SIMODRIVE-611-D systems whose documentation specifies this exact MLFB and two-axis configuration.
| Manufacturer | Siemens |
|---|---|
| Product series | SIMODRIVE 611 digital |
| Manufacturer / order / identification number | 6SN1118-0DH21-0AA1 |
| Device type | Closed-loop control plug-in unit |
| Control class | High Performance |
| Control type | Closed-loop control |
| Number of axes | 2 |
| Drive type | Digital drive |
| Setpoint interface | Digital |
| Application | Feed and main spindle drives |
| Direct measuring system | Not provided |
| System architecture | Modular SIMODRIVE-611 drive system |
| Mounting type | Plug-in board in the power module |
| Communication interface | SIMODRIVE-611 drive bus |
| Weight | approx. 0.77 kg |
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The board controls two digital feed or main spindle axes within a matching modular SIMODRIVE-611-D drive system.
The complete MLFB, axis count, power module, motor and encoder version, measuring-system concept, drive bus, CNC software version and stored drive data are decisive.
Yes, we provide a 14-day functional guarantee for used items. This means the component must be operational when received.
Please note that the guarantee only applies when the warranty seal is undamaged.
If a defect occurs within 14 calendar days, please contact us in writing. Subject to availability, we will provide a replacement or refund the full purchase price after return.
Further details are provided in the terms and conditions supplied with your quotation.
We generally dispatch immediately - in many cases on the same working day. For particularly urgent requirements or machine downtime, we find a suitable solution as quickly as possible and provide a specific delivery window on request.
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Please note that returns of functioning goods are generally excluded. In justified exceptional cases, we can assess an individual solution, but this is not the standard procedure.
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Yes, we also purchase automation components, such as frequency inverters, PLC assemblies, panels, servo motors and CPUs. Components from Siemens, Lenze, Schneider Electric, Control Techniques or Heidenhain are especially sought after, and other brands are also possible.
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