This power supply unit provides regulated DC power for SYMADYN D SP6 drive control systems. It converts incoming AC power into stable output voltages for module operation. The Siemens 6EW1810-3AA ensures consistent energy delivery across all connected components. This reliable power source supports demanding motion control and drive applications.
Physical Dimensions and Installation Profile
This power supply unit measures 300 millimeters in width, 80 millimeters in depth, and 160 millimeters in height. The unit weighs approximately 2.80 kilograms for secure rack mounting. It installs directly into the SYMADYN D SP6 chassis using a dedicated backplane interface. The front panel incorporates a mains on/off switch for convenient system control. Additionally, the housing includes cooling fins for passive heat dissipation.
Input Specifications and Power Conversion
The Siemens 6EW1810-3AA accepts input voltages from 100 to 240 volts AC with automatic range selection. It operates at line frequencies of 50 or 60 hertz without manual adjustment. The unit achieves a typical efficiency rating of 88 percent under nominal load conditions. Active power factor correction minimizes harmonic distortion on the input lines.
Output Characteristics and Load Capacity
This power supply unit delivers a 5 VDC output rated at 25 amperes for logic circuits. It also provides a 24 VDC output rated at 6 amperes for field and actuator power. The unit offers a ±15 VDC output at 2 amperes for analog signal conditioning. Total output power reaches 200 watts at maximum continuous load. Output voltage regulation maintains ±1.5 percent for precise system operation.
Protection Features and System Monitoring
The Siemens 6EW1810-3AA incorporates comprehensive protection against overvoltage conditions. It includes short-circuit protection with foldback current limiting for safety. The unit features overtemperature shutdown with automatic recovery after cooling. An undervoltage lockout prevents unstable operation during low input conditions. LED indicators display input presence and output status for rapid diagnostics.
Component Architecture and Build Quality
This power supply unit contains 195 individual components on a dual-layer PCB. Key parts include the main power transformer, bridge rectifiers, and filtering chokes. The unit uses high-grade electrolytic capacitors with a 105°C rating for extended life. All power semiconductors are mounted on a dedicated heatsink for thermal management.
Energy Storage and Ride-Through Capability
The Siemens 6EW1810-3AA includes a 15,000-microfarad capacitor bank for substantial energy buffering. This reservoir maintains output power for 25 milliseconds during line interruptions. The storage array also filters ripple to less than 30 millivolts peak-to-peak. A soft-start circuit limits inrush current during power-on sequence.
Technical Data Summary
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model | 6EW1810-3AA |
| Product Type | SYMADYN D SP6 Power Supply |
| Dimensions (W x D x H) | 300 mm x 80 mm x 160 mm |
| Weight | 2.80 kg |
| Input Voltage Range | 100 to 240 VAC (auto-select) |
| Input Frequency | 50 / 60 Hz |
| Efficiency | 88% typical |
| 5 VDC Output | 25 A |
| 24 VDC Output | 6 A |
| ±15 VDC Output | 2 A |
| Total Output Power | 200 W |
| Output Regulation | ±1.5% |
| Protection Features | Overvoltage, short-circuit, overtemperature |
| Diagnostics | LED status indicators |
| Ride-Through Time | 25 ms at full load |
| Energy Storage | 15,000 µF |
| Output Ripple | < 30 mV peak-to-peak |
| Component Count | 195 parts |
| Cooling | Passive (heatsink and fins) |
System Integration and Application Scope
This power supply unit integrates seamlessly with SYMADYN D SP6 drive platforms. It powers the complete rack configuration for coordinated motion control. Consequently, the Siemens 6EW1810-3AA delivers dependable energy for industrial drive applications.
Details
| Weight | 2.80 kg |
|---|---|
| Dimensions | 300 × 80 × 160 mm |
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