Product Specification: Siemens 6SN1118-1NK01-0AA1 Power Module

1. Product Overview

2. Basic Product Information

Manufacturer and Model Identity

Core Electrical Specifications

• System Compatibility: Siemens SIMODRIVE 611U series, SINUMERIK 802D/802C/840D CNC systems.

• Control Axes: 2 independent axes (servo or spindle).

• Feedback Interface: Resolver (standard), supports sin/cos 1 Vpp, EnDat, and TTL encoders via optional adapters.

• Power Supply: 24 V DC (±10%) from SIMODRIVE 611 power supply module; draws auxiliary power from the device bus.

• Control Signals: Analog setpoint (±10 V), digital I/O, encoder signals, and status alarms.

• Pulse Frequency: Up to 60 kHz for high-speed motion control.

• Processing Speed: 0.72–16.3 μs per control loop, ensuring fast dynamic response.

Mechanical and Environmental Specifications

• Dimensions: Compact industrial form factor, standard 19-inch rack-mountable, compatible with SIMODRIVE 611U cabinet slots.

• Protection Rating: IP20 (protected against solid objects >12 mm, no liquid protection).

• Operating Temperature: 0°C to +55°C (full performance); -20°C to +60°C (limited performance).

• Storage Temperature: -40°C to +85°C.

• Relative Humidity: 5%–95% RH (non-condensing), resistant to dust, vibration, and oil mist.

• Cooling: Convection cooling (no fan required), optimized for control cabinet installation.

• Weight: Approximately 0.24 kg, lightweight for easy mounting and replacement.

Compliance and Certification

• Standards: EN 61131-2 (industrial control), EN 61000-6-2/4 (EMC immunity/emission), RoHS (lead-free), CE certified.

• Testing: 100% factory-tested for electrical safety, control accuracy, communication reliability, and long-term stability.

• Warranty: 12 months from delivery (original Siemens product).

3. Core Functions and Product Positioning

Core Functions

• Dual-Axis Resolver Control: High-precision closed-loop control for two axes using resolver feedback, ensuring accurate position and speed regulation for servo and spindle motors.

• Multi-Encoder Compatibility: Natively supports resolvers; adaptable to sin/cos 1 Vpp, EnDat, and TTL encoders for flexible feedback integration.

• Digital Closed-Loop Regulation: Advanced PID control with high-speed processing enables precise torque, speed, and position control for dynamic motion applications.

• Seamless CNC Integration: Direct interface with SINUMERIK CNC systems via digital and analog links, supporting synchronized multi-axis motion for machine tools.

• Industrial Communication: Compatible with SIMODRIVE 611 device bus, supporting real-time data exchange with power modules and higher-level controllers.

• Diagnostics and Protection: Integrated fault detection (overvoltage, overcurrent, overtemperature, encoder loss) with alarm signaling and safe shutdown capabilities.

Operational Features

Product Positioning

4. Core Performance Parameters

Control Performance

• Axis Count: 2 axes (servo/spindle configurable).

• Feedback Resolution: Resolver-based, high angular resolution for precise positioning.

• Control Loop Speed: 0.72–16.3 μs, enabling fast dynamic response.

• Positioning Accuracy: Matches resolver precision, suitable for ±1 μm-level applications with compatible motors.

Communication and Interface Performance

• Device Bus: SIMODRIVE 611 internal bus, real-time data exchange.

• Analog Input: ±10 V setpoint, 12-bit resolution.

• Digital I/O: Configurable for enable, alarm, and status signals.

• Encoder Interfaces: Resolver (native), sin/cos 1 Vpp, EnDat, TTL (adapters).

Reliability Parameters

• MTBF (Mean Time Between Failures): >50,000 hours under rated conditions.

• Vibration Resistance: 10–1000 Hz, 0.15 mm amplitude (operational).

• Shock Resistance: 15 g, 11 ms duration (operational).

5. Compatible Devices and Matching Accessories

Compatible Hardware

• Drive Systems: Siemens SIMODRIVE 611U power modules (6SN1123 series), SIMODRIVE 611U control cabinets.

• CNC Controllers: SINUMERIK 802D, 802C, 840D, and compatible Siemens CNC systems.

• Motors: 1FK7 servo motors, 1PH7 spindle motors (resolver-equipped).

• Encoders: Resolvers (standard), sin/cos 1 Vpp, EnDat, TTL encoders (with adapters).

• Accessories: SIMODRIVE 611 bus cables, encoder cables, 24 V DC power supplies, and mounting rails.

Compatible Software

• Configuration Tools: Siemens SINUMERIK Operate, SIMODRIVE 611 parameterization software.

• Diagnostics Tools: Siemens Drive Monitor, CNC diagnostic software for fault analysis and performance tuning.

• Programming Software: STEP 7, TIA Portal (for integrated automation logic).

Installation & Maintenance Tools

• Tools: ESD mat/gloves, screwdrivers for module mounting, cable crimping tools.

• Maintenance Kit: Spare encoder cables, 24 V DC power supply, and Siemens diagnostic software license.

6. Application Scope and Usage Notes

Application Scope

• CNC Machine Tools: Dual-axis control for milling, turning, and grinding machines; spindle and servo axis synchronization.

• General Machinery Automation: Packaging machines, textile machinery, plastic processing equipment, and printing presses.

• Robotics and Handling Systems: Multi-axis motion control for industrial robots, gantry systems, and material handling equipment.

• Process Automation: Precision positioning for metalworking, woodworking, and stone processing machinery.

Usage Notes