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- Siemens
- 6SN1118-0NJ01-0AA1
- 1-Axis Control Loop Block
- Germany
- 305 × 51 × 127 mm
- 0.8 kg
- Xiamen, China
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Product Overview
The Siemens 6SN1118-0NJ01-0AA1 is a SIMODRIVE 611 universal HRS closed-loop control module configured for one axis with resolver feedback. It belongs to the control-unit range used in Siemens SIMODRIVE 611 drive systems, where it processes feedback from the motor and regulates drive operation according to the configured speed or torque setpoint.
In a machine tool, the drive controller must coordinate the commanded movement with feedback from the motor. The 6SN1118-0NJ01-0AA1 supports this function by working with a compatible resolver-equipped drive arrangement. The feedback signal allows the control system to evaluate motor operation and adjust drive behavior according to the configured control strategy.
The single-axis configuration is particularly relevant when a drive system requires an individual control channel for a feed axis or another compatible motor-driven mechanism. Typical machine applications include positioning tables, machine-tool feed mechanisms, and industrial equipment in which controlled motor movement is required. The actual application depends on the motor type, power module, feedback interface, and system configuration.
This module belongs to the SIMODRIVE 611 universal HRS family, whose control-board architecture can support independent drive controls. The specific 6SN1118-0NJ01-0AA1 variant is identified for one-axis resolver operation with speed/torque setpoint control. It should not be confused with the related 6SN1118-1NJ01-0AA1 positioning variant, which has a different control designation.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | Siemens |
| Model / Article Number | 6SN1118-0NJ01-0AA1 |
| Product Family | SIMODRIVE 611 universal HRS |
| Product Type | 1-Axis Closed-Loop Control Module |
| Module Configuration | Single Axis |
| Feedback Type | Resolver |
| Control Function | Speed / Torque Setpoint Control |
| Drive System | SIMODRIVE 611 |
| Compatible Motor Families | Specified compatible Siemens motor configurations, including selected 1FT6, 1FK, 1FE1, 1FW6, 2SP1, 1PH, 1PM6, and 1FN motors |
| Control Interface Expansion | Optional interfaces, depending on configuration |
| PROFIBUS Capability | Available through a compatible option module |
| Engineering and Commissioning | Compatible SIMODRIVE configuration tools and documentation |
| Dimensions | 305 × 51 × 127 mm |
| Weight | 0.8 kg |
Product Features
- Single-axis closed-loop control: Provides control functionality for one resolver-equipped drive axis.
- Resolver feedback compatibility: Uses feedback from a compatible resolver-based motor arrangement.
- Speed and torque setpoint control: Supports the specified control mode for regulating drive operation.
- SIMODRIVE 611 integration: Fits into the corresponding drive-system architecture.
- Configurable system expansion: Supports compatible option modules where the application requires additional interfaces.
- Drive feedback processing: Allows motor feedback to be incorporated into the control process.
- Machine-tool applications: Suitable for evaluating within compatible feed-drive and industrial motion-control systems.
- Configuration-specific selection: Requires matching the control module to the motor, power module, and required control functions.
Working Principle
The 6SN1118-0NJ01-0AA1 operates as part of a closed-loop drive-control system. It receives the configured speed or torque setpoint and processes feedback from a compatible resolver-equipped motor. The controller uses this information to regulate the drive through the associated SIMODRIVE power module.
A typical control arrangement follows this sequence:
Motion Command → SIMODRIVE Control Module → Power Module → Motor → Resolver Feedback → Control Module
When the machine controller requests a movement, the drive system establishes the relevant setpoint. The control module evaluates the motor feedback against the commanded operating condition and participates in adjusting the drive response. The power module supplies the electrical energy required by the motor, while the resolver provides feedback used by the control loop.
For example, on a machine-tool feed axis, the controller may command the motor to move a table along a programmed path. Resolver feedback allows the compatible drive system to monitor motor operation during the movement. The quality of the resulting motion depends on the complete drive configuration, motor characteristics, mechanical transmission, and control parameters.
The resolver interface is an important selection consideration. A control module intended for resolver feedback should not automatically be substituted with a variant intended for sin/cos incremental encoder feedback. Although these modules may belong to the same SIMODRIVE family, their feedback requirements and supported configurations differ.
The 6SN1118-0NJ01-0AA1 is a drive-control component rather than a standalone motor drive. Its operation depends on the associated power module, compatible motor, feedback wiring, control commands, and the remaining SIMODRIVE system components.
Role in the SIMODRIVE 611 Control Architecture
The 6SN1118-0NJ01-0AA1 occupies the closed-loop control layer of the SIMODRIVE 611 drive system. It processes the required setpoint and motor feedback information, while the associated power module supplies the motor and the higher-level controller coordinates machine movement.
Machine Controller → Setpoint Command → 6SN1118-0NJ01-0AA1 → Power Module → Motor
Motor Resolver → Feedback Signal → 6SN1118-0NJ01-0AA1
| System Component | Function |
|---|---|
| 6SN1118-0NJ01-0AA1 | Controls one compatible resolver-feedback drive axis |
| SIMODRIVE 611 Power Module | Supplies the motor with controlled electrical power |
| Compatible Siemens Motor | Produces the required mechanical movement |
| Motor Resolver | Provides feedback for the closed-loop control process |
| Higher-Level Machine Controller | Coordinates axis commands with the machine sequence |
| Setpoint Interface | Transfers the required speed or torque command |
| Optional Interface Module | Adds supported communication functionality where configured |
| Feedback and Motor Cables | Connect the motor and feedback devices to the drive system |
| SIMODRIVE Configuration Tools | Support parameterization, commissioning, and troubleshooting |
Industrial Applications
| Application | Typical Use |
|---|---|
| CNC Machine Tools | Controlling a compatible resolver-feedback feed axis |
| Machine-Tool Feed Drives | Regulating motor operation according to the configured setpoint |
| Positioning Tables | Controlling an individual motor-driven axis within a compatible system |
| Industrial Motion Systems | Integrating single-axis drive control into a larger machine |
| Metalworking Machinery | Supporting controlled movement of machine mechanisms |
| Automated Production Equipment | Regulating a compatible motor-driven mechanism |
| Mechanical Feed Systems | Coordinating motor operation with the machine controller |
| Machine Rebuilding Projects | Replacing a control module within a verified SIMODRIVE configuration |
| Industrial Drive Cabinets | Providing the closed-loop control function for a designated axis |
| Legacy SIMODRIVE Installations | Maintaining an existing resolver-based drive architecture with matched components |
Installation and Maintenance
- Verify the complete order number: Confirm 6SN1118-0NJ01-0AA1 and distinguish it from related single-axis positioning modules and other feedback variants.
- Check the drive architecture: Confirm that the installed SIMODRIVE 611 system supports the intended control module and associated power module.
- Verify motor compatibility: Match the motor type and its feedback arrangement to the control module’s supported configuration.
- Inspect the resolver interface: Confirm that the resolver, feedback cable, and connectors match the installed motor and drive arrangement.
- Isolate the drive system: Follow the prescribed electrical safety procedure and verify that hazardous energy has been removed before accessing the control unit.
- Check module installation: Inspect the mounting position, connectors, and associated drive components for damage or contamination before installation.
- Review optional interfaces: Confirm whether the machine requires an additional communication or terminal option and verify compatibility before fitting it.
- Load the appropriate configuration: Use the applicable SIMODRIVE commissioning procedure and ensure that the selected control parameters match the motor and mechanical axis.
- Verify setpoint scaling: Check the configured speed or torque command interface and confirm that the higher-level controller uses the intended signal conventions.
- Test feedback operation: During controlled commissioning, verify that the resolver feedback is detected correctly and corresponds to the expected motor response.
- Investigate abnormal behavior: If the axis fails to respond correctly, examine the feedback wiring, motor configuration, setpoint interface, power module, and control parameters before replacing components.
- Record commissioning details: Document the module reference, motor type, feedback arrangement, parameter set, option modules, and results of the functional checks.
Compatible System Components
| Component | Function |
|---|---|
| Siemens SIMODRIVE 611 Power Module | Supplies the associated motor |
| Compatible Siemens Resolver-Equipped Motor | Provides the mechanical drive and feedback signal |
| Motor Resolver | Supplies feedback for closed-loop regulation |
| Resolver Feedback Cable | Connects the motor feedback device to the drive system |
| Motor Power Cable | Connects the motor to the power module |
| Higher-Level Machine Controller | Generates commands and coordinates machine movement |
| SIMODRIVE Interface Options | Provide supported communication or connection functions |
| Compatible Terminal Option | Provides the required connections when specified by the configuration |
| SIMODRIVE Commissioning Software | Supports drive configuration and parameter adjustment |
| Drive System Documentation | Defines the correct component combination and commissioning procedure |
Recommended Related Models
| Model | Product Type | Typical Application |
|---|---|---|
| Siemens 6SN1118-0NJ01-0AA1 | 1-Axis Closed-Loop Control Module | Single-axis resolver-feedback speed/torque control |
| Siemens 6SN1118-1NJ01-0AA1 | 1-Axis Positioning Control Module | Single-axis positioning applications with resolver feedback |
| Siemens 6SN1118-0NK01-0AA1 | 2-Axis Closed-Loop Control Module | Two-axis resolver-feedback control |
| Siemens 6SN1118-1NK01-0AA1 | 2-Axis Positioning Control Module | Two-axis positioning with resolver feedback |
| Siemens 6SN1118-0NH01-0AA1 | 2-Axis Closed-Loop Control Module | Two-axis control using compatible sin/cos 1 Vpp encoders |
| Siemens 6SN1114-0NB00-0AA2 | PROFIBUS DP2 Option Module | Adding supported PROFIBUS communication functionality |
Key Advantages
- Provides single-axis closed-loop control for a compatible resolver-based drive.
- Supports the specified speed and torque setpoint control arrangement.
- Integrates with the SIMODRIVE 611 drive architecture.
- Allows motor feedback to participate in drive regulation.
- Supports configuration expansion through compatible option modules.
- Helps maintain existing motion-control installations when the complete drive configuration is matched.
Technical FAQs
What distinguishes the 6SN1118-0NJ01-0AA1 from the 6SN1118-1NJ01-0AA1?
The 6SN1118-0NJ01-0AA1 is the single-axis resolver-feedback control variant for speed/torque setpoint operation. The 6SN1118-1NJ01-0AA1 is identified as the corresponding positioning variant. Select between them according to the required control functionality and the complete system configuration.
Can this module operate with a motor that uses a sin/cos 1 Vpp encoder?
The 6SN1118-0NJ01-0AA1 is specified for resolver feedback. A motor using a different feedback technology requires a control module and interface configuration explicitly compatible with that encoder type.
What should be checked when replacing the module in an existing SIMODRIVE 611 system?
Verify the complete order number, motor feedback type, power module, option modules, and existing control parameters. Confirm that the replacement supports the installed motor and the intended axis-control function before restoring the system to operation.
Why might a compatible motor fail to respond correctly after the control module is installed?
Possible causes include an incorrect feedback connection, mismatched motor parameters, an unsuitable setpoint configuration, a power-module issue, or an incomplete commissioning setup. Check the complete drive chain and its configuration rather than assuming that the control module alone is responsible.