Siemens Control Card Unit 6SN1118-0DH21-0AA1

Siemens 6SN1118-0DH21-0AA1 – SIMODRIVE 611-D Closed-Loop Performance Control Unit

Part Number: 6SN1118-0DH21-0AA1

Manufacturer: Siemens

Product Family: SIMODRIVE 611-D

Module Type: Closed-Loop Plug-in Performance Control Unit (2 Axes)

Product Description

The Siemens 6SN1118-0DH21-0AA1 is a SIMODRIVE 611-D closed-loop plug-in performance control unit designed for 2-axis digital servo and main spindle drive applications. It provides high-performance closed-loop control for feed drives and main spindle drives in SINUMERIK CNC systems. This version is intended for applications without a direct measuring system, relying on motor encoder feedback for accurate position and speed control. It is commonly used in SIMODRIVE 611 Digital drive systems for precision CNC machining.

Technical Specifications

Key Features

• 2-axis high-performance closed-loop control
• Designed for SIMODRIVE 611-D digital drive systems
• Supports feed drive and main spindle drive applications
• Operates without a direct measuring system
• High-speed digital position, speed, and torque control
• Plug-in design for quick installation and maintenance
• Reliable operation in demanding CNC machine tool environments

Compatible Systems

• Siemens SINUMERIK 810D
• Siemens SINUMERIK 840D
• SIMODRIVE 611 Digital
• Feed Servo Drives
• Main Spindle Drives

Typical Applications

• CNC Lathes
• CNC Milling Machines
• Vertical Machining Centers
• Horizontal Machining Centers
• Grinding Machines
• Gear Cutting Machines
• Industrial Motion Control Systems