Key Digital ES381 manual Contents

CONTENTS

1	OVERVIEW				5
2	ABOUT THE USBCOUNT50				6
	2.1	General			6
	2.2	USBcount50 Architecture			7
	2.3	Using More Than One USBcount50			8
	2.3.1		Stacked Mode		8
		2.3.1.1		Assembling The Stack	8
		2.3.1.2		Disassembling The Stack	10
		2.3.1.3 USB Connections For Stacked Configurations			11
		2.3.1.4 Software For Stacked Configurations			11
		2.3.1.5 Stacking Do’s And Don’ts			13
	2.3.2		Non-Stacked (MIS) Mode		14
		2.3.2.1 USB Connections For Non-Stacked Configurations			14
		2.3.2.2 Software For Non-Stacked Configurations			14
	2.4	Input Control			16
	2.4.1		Input Supply		16
	2.5	Counter Modes			17
	2.5.1		General		17
	2.5.2		Frequency Mode		19
	2.5.3		Period Mode		20
	2.5.4		Period Mode		22
3	SOFTWARE INSTALLATION				22
	3.1	Windows 98SE and Windows Me			22
	3.2	Windows 2K and XP			24
	3.3	Troubleshooting			26
4	HARDWARE SPECIFICATION				27
	4.1	Power Requirements			27
	4.2	Mechanical			27
	4.3	Environmental			27
	4.4	Performance			28
	4.4.1 Safety Data and Maximum Ratings				28
	4.4.2		Performance		29
	4.4.3		Miscelaneous		29

Elan Digital Systems Ltd. 2 USBcount50 USER’S GUIDE Iss1