This power supply unit delivers stable DC power to SYMADYN D control systems. It converts AC mains voltage into regulated DC outputs for module operation. The Siemens 6DD1683-0BC0 provides reliable power distribution across the entire rack configuration. This design ensures consistent system performance under varying load conditions.
Physical Dimensions and Installation Profile
This power supply unit measures 268 millimeters in width, 45 millimeters in depth, and 165 millimeters in height. The unit weighs approximately 2.40 kilograms for secure chassis mounting. It installs directly into the SYMADYN D rack using a backplane connector system. The front panel includes a mains switch and LED indicators for status monitoring. Additionally, the housing features ventilation slots for efficient heat dissipation.
Input Specifications and Power Conversion
The Siemens 6DD1683-0BC0 accepts input voltages from 85 to 264 volts AC for global compatibility. It operates at line frequencies of 47 to 63 hertz without manual adjustment. The unit achieves a typical efficiency rating of 87 percent under full load. Power factor correction maintains high efficiency across the operating range.
Output Characteristics and Load Capacity
This power supply unit provides a 5 VDC output rated at 20 amperes for logic circuits. It also delivers a 24 VDC output rated at 4 amperes for field device power. The unit offers a 15 VDC output at 1 ampere for analog circuit requirements. Total output power reaches 160 watts under maximum load conditions. Output voltage regulation stays within ±2 percent for stable system operation.
Protection Features and Monitoring
The Siemens 6DD1683-0BC0 incorporates overvoltage protection on all output rails. It includes overcurrent protection with automatic restart after fault clearance. The unit features thermal shutdown for overtemperature protection. An undervoltage detection circuit signals the controller during brownout conditions. Diagnostic LEDs indicate input present, output status, and fault conditions.
Component Architecture and Build Quality
This power supply unit contains 182 individual components on a two-layer PCB. Key parts include the main transformer, rectifier diodes, and filter capacitors. The unit uses high-temperature electrolytic capacitors for extended service life. All critical components meet military-grade reliability specifications.
Energy Storage and Ride-Through Capability
The Siemens 6DD1683-0BC0 includes a 10,000-microfarad capacitor bank for substantial energy storage. This reservoir maintains output voltage for 20 milliseconds during input power interruptions. The primary capacitor bank also filters ripple to less than 50 millivolts peak-to-peak. A startup circuit limits inrush current during initial power application.
Technical Data Summary
| Parameter | Specification |
|---|---|
| Brand | Siemens |
| Model | 6DD1683-0BC0 |
| Product Type | SYMADYN D Power Supply Unit |
| Dimensions (W x D x H) | 268 mm x 45 mm x 165 mm |
| Weight | 2.40 kg |
| Input Voltage Range | 85 to 264 VAC |
| Input Frequency | 47 to 63 Hz |
| Efficiency | 87% typical |
| 5 VDC Output | 20 A |
| 24 VDC Output | 4 A |
| 15 VDC Output | 1 A |
| Total Output Power | 160 W |
| Output Regulation | ±2% |
| Protection Features | Overvoltage, overcurrent, thermal |
| Diagnostics | LED status indicators |
| Ride-Through Time | 20 ms at full load |
| Energy Storage | 10,000 µF |
| Output Ripple | < 50 mV peak-to-peak |
| Component Count | 182 parts |
System Integration and Application Scope
This power supply unit integrates seamlessly with SYMADYN D drive control systems. It powers all modules within the rack for coordinated system operation. Consequently, the Siemens 6DD1683-0BC0 delivers reliable energy for demanding motion control applications.
Details
| Weight | 2.40 kg |
|---|---|
| Dimensions | 268 × 45 × 165 mm |
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