CHAPTER 1 – Introduction
PC-686 (CPCI)-LV User’s Manual
9
1.6
Power Requirements
Your system requires a clean, steady power source for reliable performance
of the high frequency CPU on the PC-686(CPCI) Industrial CPU board, the quality
of the power supply is even more important. For the best performance make sure
your power supply provides a range of the following table DC power source.
1.6.1. Power Consumption
For typical configurations, the CPU board is designed to operate with at
least a 200W power supply. A higher-wattage power supply should be used for
heavily-loaded configurations. The power supply must meet the following
requirements:
Ÿ
Rise time for power supply: 2ms to 20ms
Ÿ
Minimum delay for reset to Power Good: 100ms
Ÿ
Minimum Powerdown warning: 1ms
Ÿ
3.3V output must reach its minimum regulation level within 20ms of the +5V
output reaching its minimum regulation level
The following table lists the power supply’s tolerances for DC voltages:
DC Voltage
Acceptable Tolerance
+3.3 V
± 4 %
+5 V
± 5 %
+12 V
± 5 %
Summary of Contents for PC-686CPCI-LV
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Page 8: ...Table of Contents iv PC 686 CPCI LV User s Manual ...
Page 18: ...CHAPTER 1 Introduction 10 PC 686 CPCI LV User s Manual 1 7 Connector Jumper Location ...
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Page 50: ...CHAPTER 3 Jumper Setting 42 PC 686 CPCI LV User s Manual ...
Page 72: ...CHAPTER 5 Software Utilities 64 PC 686 CPCI LV User s Manual ...
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