Advantech PCL-734 Uživatelský manuál stáhnout pdf (Strana 20)

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16 PCL-734 User's Manual

Programming the PCL-734 is extremely simple. Each output channel

correspondstoabitinthecard'sregisters.Toturnonanoutput

channelyouwritea‘‘1”tothecorrespondingbit.

ThecardrequiresfourI/Oregisteraddresses.Theaddressofeach

registerisspecifiedasanoffsetfromthecard'sbaseaddress.For

example, BASE+0 is the card's base address and BASE+2 is the base

address+twobytes.Ifthecard'sbaseaddressis300h,theregister's

addressis302h.SeeChapter2forinformationonsettingthecard's

baseaddress.

Registerassignmentsareasfollows:

WriteWrite

Write

ReadRead

Read

BASE+0 IDO bits 0-7 N/A

BASE+1 IDO bits 8-15 N/A

BASE+2 IDO bits 16-23 N/A

BASE+3 IDO bits 24-31 N/A

1 2 ... 15 16 17 18 19 20 21 22

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Advantech PCL-734 Uživatelský manuál Strana 20