Industrial-data-systems IDS DT220 Manual de usuario Pagina 4

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MMC Test ..........................................................................................................................35
TTL Input Test ...................................................................................................................35
Pulse Input Test.................................................................................................................35
Keyboard Test ...................................................................................................................35
Troubleshooting................................................................................................36
Problems And Probable Causes ..............................................................................................36
Hardware and Wiring........................................................................................37
TB1 - TTL Output 1- 6, gnd......................................................................................................37
TB2 - TTL Output 8 & 9, gnd, +5V ...........................................................................................37
TB3 - TTL Input 1 – 7 ( TTL Input 7 = Cal Function Lock) .......................................................37
Com Port 1 – J10 and TB6.......................................................................................................38
Com Port 2 – J11 and TB6.......................................................................................................38
Com Port 3 – J9 and TB4.........................................................................................................39
Parallel Printer Port – 25 pin D connector J2 ...........................................................................40
Load Cell Terminal Block .........................................................................................................40
P.C. Board Diagram - Connectors, Jumpers, and Switches ....................................................41
Sample Cable Drawings...........................................................................................................42
Load Cell............................................................................................................................42
IDS Printers/Serial Printers................................................................................................42
Parallel (Centronix) Printer ................................................................................................43
TTL Input switches.............................................................................................................43
DT220 Specifications........................................................................................ 44
ASCII CHART.....................................................................................................45
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