6SN1118-1NK01-0AA1 Siemens | 2-Axis Resolver Control Block

Siemens 6SN1118-1NK01-0AA1 | SIMODRIVE 611 Universal HRS 2-Axis Control Unit

The Siemens 6SN1118-1NK01-0AA1 is a high-performance Universal HRS control unit designed for the modular SIMODRIVE 611 drive system. This sophisticated block module serves as the primary intelligence for managing up to two feed axes with high-resolution resolver feedback. Because it supports advanced speed and torque setpoint positioning, it ensures extreme precision during complex machining operations. Engineers frequently specify this "U HR" variant for applications requiring rapid response times and smooth motion profiles. Moreover, the expandable architecture allows you to add optional modules to meet specific communication or functional requirements. This unit is essential for maintaining the high-speed performance expected from professional CNC environments and robotic cells.

Reliability in a 24/7 manufacturing setting depends on robust hardware that can process complex control loops without delay. This control unit effectively bridges the gap between the SINUMERIK CNC system and the physical SIMODRIVE power modules. Furthermore, the integrated resolver interface provides absolute feedback for precise positioning, which is critical for achieving tight manufacturing tolerances. The compact, rack-mounted design ensures that it fits perfectly into existing drive cabinets, making it an ideal choice for system upgrades. Consequently, utilizing this original Siemens control block guarantees the long-term stability and accuracy of your industrial automation assets.

Key Features and Functional Benefits

• High-Resolution Resolver Support: The module utilizes advanced resolver feedback to achieve superior positioning accuracy and smooth motor rotation.

• Dual-Axis Control Logic: It manages two independent feed axes simultaneously, which optimizes cabinet space and reduces overall system complexity.

• Flexible Operating Modes: This unit supports speed control, torque setpoints, and precise positioning modes to handle diverse automation tasks.

• Expandable Functionality: Users can easily enhance the unit’s capabilities by integrating various plug-in options for specialized communication or I/O.

• Seamless System Integration: It works perfectly with standard SIMODRIVE 611 power modules and communicates effortlessly with higher-level controllers.

Technical Specifications

Frequently Asked Questions (FAQ)

Does this control unit support PROFIBUS communication out of the box?

While the base unit handles core motion tasks, you may need an optional expansion module for full PROFIBUS-DP integration.

What is the difference between the "U" and the "U HR" versions?

The "U HR" (High Resolution) version features enhanced processing capabilities for higher precision resolver feedback and faster control loops.

Can I use this module to control a spindle drive?

Yes, this universal module is capable of managing both feed axes and spindle motors, depending on your specific parameter settings.

Is it necessary to use a Siemens resolver with this control block?

The unit is optimized for Siemens 1FT and 1FK motors, but it supports standard resolvers that meet the technical input specifications.