Fun with fundamentals

Win a power supply

The winner of this month's problem receives a RHINO PSP series power supply from AutomationDirect, Cumming, Ga. These provide tightly regulated output voltage for sensitive loads in industrial environments. The slim plastic case is lightweight and compact; once a fault is corrected the power supply automatically resumes supplying full-voltage power. For additional information, call (800) 633-0405 or visit automationdirect.com/powerandaccessories.

RHINO PSP power supply

• Has Power ON LED for easy visual indication of operation
• Output voltage adjustable
• Overload and short-circuit protection
• Three-year product warranty
• Power Good signal for feedback to system controller