Measurement-computing USB-2416 Instrukcja Użytkownika Strona 18

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USB-2416 User's Guide Functional Details
18
Figure 13. Digital output connection example
Internal pull-up/pull-down capability
Each of the eight DIO bits on the USB-2416 has a 47 kΩ pull-up/pull-down resistor. To configure these bits for
the 0 V pull-down option, you must open the USB-2416 case to access the three-pin jumper labeled JP1.
To open the case and set the JP1 jumper, do the following.
1. Turn over the USB-2416 and rest it on its top on a flat, stable surface.
2. Remove the five screws shown in Figure 14 from the bottom of the module.
3. Holding both the top and bottom sections of the module, turn it over, rest it on the surface, and carefully
remove the top portion of the case.
Figure 14. Location of screws connecting bottom and top sections of case
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