Key Digital ES381 manual USBcount50 USER’S Guide Iss1

Page 18

Green means the reading is done.

Red means the reading over-flowed i.e. external period too long or external frequency too high. Try a shorter internal period or lower internal frequency.

If the counter waits for more than 2 seconds whilst in Period mode and no external signal has been detected, the indicator will blink rapidly white-grey-white-grey etc.

Elan Digital Systems Ltd.

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USBcount50 USER’S GUIDE Iss1

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Contents USER’S Guide Contents Software Page Overview General Figure below shows a simplified diagram of the USBcount50 Using More Than One USBcount50 This is a safety critical point so please note it carefully Disassembling The Stack USB Connections For Stacked Configurations USBcount50 USER’S Guide Iss1 Stacking Do’s And Don’ts USBcount50 /MISpc USBcount50 USER’S Guide Iss1 Input Control Counter Modes USBcount50 USER’S Guide Iss1 Frequency Mode Falling Falling Rising Falling Rising Rising USBcount50 USER’S Guide Iss1 Before plugging in the hardware 2 channel example is shown USBcount50 USER’S Guide Iss1 Windows 2K and XP10 13 a 1 channel example is shown USBcount50 USER’S Guide Iss1 Troubleshooting Power Requirements Performance Performance Software
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