The Allen-Bradley 1606-XL60D, also cataloged as the 1606-XL60D Switched-mode DIN-rail Power Supply, operates as a dedicated hardware component for AC to DC power conversion within 1606-XL Series architectures.
| Parameter | Specification |
|---|---|
| Model | 1606-XL60D |
| Brand | Allen-Bradley |
| Origin | USA |
| Weight | 0.95 lbs (0.6 kg) |
| Dimensions | 32 x 124 x 102 mm |
| Operating Temp | -25 to +70 deg C (derating applies above +60 deg C) |
| Power Consumption | Input: 85-264 V AC (47-63 Hz) or 90-150 V DC; Output: 60 W |
| Nominal Output Voltage | 24 V DC |
| Output Current | 2.5 A |
| Efficiency | 88% |
| Hold-up Time | >= 20 ms at full load (230 V AC input) |
| Ripple & Noise | < 50 mVpp |
| Isolation Voltage | 3 kV AC input to output |
| Protection Features | Overload, short-circuit, over-temperature protection |
| Mounting Style | DIN rail (EN 60715) |
The 1606-XL60D provides electrical power synchronization across backplane bus communication velocity pathways by delivering regulated 24 V DC to downstream components. In high-density configurations, maintaining voltage stability prevents communication errors within Profinet / EtherNet/IP deterministic networks. The internal regulation loops match the electrical load demands required for physical I/O density scaling, ensuring proper bus delivery across controllers and interface devices without forcing firmware flash compatibility anomalies during transient load switches.
Q: How does the internal protection circuitry respond during a sustained short-circuit on the 24 V DC output line?
A: The hardware initiates an automatic short-circuit protection routine that limits output current to prevent thermal breakdown. Once the external fault condition is cleared, the power supply automatically resumes normal 24 V DC output delivery without requiring a manual system reset or power cycle.
Q: What are the specific thermal limits for the 1606-XL60D when operating at full 60 W output power?
A: The module operates at full 60 W capacity from -25 to +60 deg C. When the ambient temperature rises above +60 deg C, linear output current derating rules must be implemented to manage internal thermal heat dissipation profiles and prevent automatic over-temperature shutdown.
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