This DC drive control board provides advanced control for variable-speed DC motor drives. It integrates seamlessly into Siemens SINAMICS and SIMOREG DC drive systems. The unit delivers precise speed, torque, and current regulation for demanding applications. Users can control conveyors, extruders, and winding machines with exceptional accuracy.
Control Architecture and Regulation Modes
This control board features a high-performance processor for real-time motor control. It supports speed, torque, and current regulation modes for application flexibility. The unit implements field-oriented control algorithms for optimal motor performance. Users can configure the control parameters through the drive software environment. This flexibility accommodates various motor types and application requirements.
| Parameter | Specification |
|---|---|
| Model | 6QN5501-0BA |
| Product Type | DC Drive Control Board |
| Control Modes | Speed, torque, current (selectable) |
| Armature Voltage | Up to 850 V DC |
| Field Voltage | Up to 500 V DC |
| Speed Feedback | Tachogenerator / Encoder |
| Current Feedback | Shunt / Hall effect sensor |
| Analog Inputs | 4 (0-10 V / 4-20 mA) |
| Analog Outputs | 2 (0-10 V / 4-20 mA) |
| Digital Inputs | 8 (24 V DC) |
| Digital Outputs | 4 (relay, 24 V DC / 230 V AC) |
| Communication | PROFIBUS (optional) |
| Dimensions (W x H x D) | 160 mm x 230 mm x 40 mm |
| Weight | 0.85 kg |
Speed and Torque Regulation
The 6QN5501-0BA delivers exceptional speed and torque regulation for DC motors. It maintains speed accuracy of ±0.1% with tachogenerator feedback. The unit also provides torque control for tension and winding applications. Users can adjust ramp times for smooth acceleration and deceleration. This capability suits applications requiring precise load sharing and tension control. Consequently, manufacturers achieve consistent product quality and reduced material waste.
Current Control and Motor Protection
This control board provides comprehensive current control and motor protection functions. It monitors armature current and limits it to safe operating levels. The unit also includes field weakening control for extended speed range operation. Users can configure current limits, I²t protection, and thermal monitoring parameters. This protection prevents motor damage due to overload and overheating conditions. Consequently, the drive system achieves extended operational lifetime and reliability.
Feedback Interfaces and Sensor Connectivity
The module supports various feedback devices for precise motor control. It accepts tachogenerator signals for speed feedback applications. The unit also supports incremental encoders for position and speed measurement. Users can connect current sensors for torque and load monitoring. Additionally, the board accepts thermistor inputs for motor temperature monitoring. This comprehensive feedback capability ensures optimal motor performance across all operating conditions.
Configuration and Parameterization
Users configure all drive parameters through the Siemens drive software environment. The software provides intuitive tools for parameter setting and commissioning. Users can optimize control loops and filter settings through the software interface. The board stores configuration data in non-volatile memory for automatic reloading. This configuration ensures consistent operation across power cycles and system reboots. Furthermore, users can save and load multiple parameter sets for different applications.
Energy Consumption and Environmental Durability
The module draws 200 mA at 24 V DC from the drive power supply. Power dissipation remains below 5 W under normal operating conditions. The unit operates reliably between 0 °C and 55 °C ambient temperature. Humidity tolerance spans 10% to 90% without condensation issues. This robust design suits steel processing, winders, and crane applications.
Details
| Weight | 1.3 kg |
|---|---|
| Dimensions | 50 × 290 × 217 mm |
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