Measurement Specialties PMD-1024HLS manual Pull-down connection for Port a

Page 18

PMD-1024HLS User's Guide

Functional Details

ƒTo configure a pull-down connection for a specific port, wire the pull-up/pull-down terminal to a GND terminal.

Figure 3-6. Pull-down connection for Port A

Wiring schematics are shown here for each pull-up/pull-down terminal. Dotted lines represent a pull- up or pull-down connection.

USB +5 V

 

 

Pull-up

DIO 0 (Port A0)

 

DIO 1 (Port A1)

 

Pin 15

 

 

DIO 2 (Port A2)

 

 

DIO 3 (Port A3)

Port A

 

DIO 4 (Port A4)

 

 

 

DIO 5 (Port A5)

 

Pull-down

DIO 6 (Port A6)

 

GND

DIO 7 (Port A7)

 

 

 

Figure 3-7. Schematic showing Port A pull-up/pull-down wiring options

USB +5 V

 

 

Pull-up

DIO 0 (Port B0)

 

DIO 1 (Port B1)

 

Pin 13

 

 

DIO 2 (Port B2)

 

 

DIO 3 (Port B3)

Port B

 

DIO 4 (Port B4)

 

 

 

DIO 5 (Port B5)

 

Pull-down

DIO 6 (Port B6)

 

GND

DIO 7 (Port B7)

 

 

 

Figure 3-8. Schematic showing Port B pull-up/pull-down wiring options

USB +5 V

 

 

 

Pull-up

DIO 0 (Port C0)

 

DIO 1 (Port C1)

 

Pin 11

 

 

DIO 2 (Port C2)

 

 

DIO 3 (Port C3)

Port C

 

DIO 4

(Port C4)

 

 

 

DIO 5

(Port C5)

 

Pull-down

DIO 6

(Port C 6)

 

GND

DIO 7

(Port C7)

 

 

 

 

Figure 3-9. Schematic showing Port C pull-up/pull-down wiring options

3-6

Image 18
Contents Page PMD-1024HLS Management committed to your satisfaction Trademark and Copyright Information Table of Contents What you will learn from this users guide Where to find more informationAbout this Users Guide Conventions in this users guideIntroducing the PMD-1024HLS ChapterPMD-1024HLS block diagram Software featuresConnecting a PMD-1024HLS to your computer is easy Hardware Installing the PMD-1024HLSWhat comes with your PMD-1024HLS shipment? SoftwareUnpacking the PMD-1024HLS Installing the software Installing the hardwareBe sure you are using the latest system software DocumentationIf the LED turns off USB connector Functional DetailsExternal components Screw terminal wiring Main connector and pin outScrew terminal pins False Power terminals For more information on digital signal connectionsOutput sink current limits Ground terminals Counter terminalPull-up/pull-down terminals Pull-down connection for Port a Specifications Digital input/outputPower Counter sectionEnvironmental Main connector and pin outGeneral MechanicalDeclaration of Conformity USAMailinfo@mccdaq.com