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Chapter 1 Introduction
DuraCOR 80-40 User Manual
Page 14 of 59
MNL-0642-01 Rev A5
ECO-5370
19 Jan 18
Parvus Power Supply
The bottom board is a Parvus power supply. The rugged, isolated power supply is capable of supplying
power output over extended temperature ranges (-40 to +71C per MIL-STD-810G). Featuring a rugged
mechanical design, this power supply is designed to operate without any active cooling and provide
resistance to high levels of shock and vibration.
Features
• 28V Nominal Power Input Voltage (12-36 VDC Continuous <100 W Systems; 18-36 VDC for up
to 150W Systems)
• Reverse, Over Voltage, 250V Spike, 100V Surge-Protected (MIL-STD-704F and MIL-STD-
1275D Compliance)
• < 50 W Maximum Power Consumption (Base System); ~100 W Available for I/O Expansion
Modules
• Grounding Lug for Connection to System Chassis Ground (¼” - 20 UNC)
Figure 6. Power Supply Block Diagram