Qume DataTrak 8 Instrukcja Użytkownika Pobierz pdf (Strona 12)

ALTERNATE I/O PINS

Seven

(7)

alternate

110

pins are provided for alternate control

signal interface pins. Each alternate

110

pin has a pad provided

for customer installable jumpers, These seven pins allow addi-

tional signals

be brought (pins

10, 12, 16, 18,24)

the

interface by optional jumpers.

Two

(2)

optional output lines and two input lines are connected

through normally open traces

four interface lines (pins 10,

12,16,18).

CUSTOMER STRAPPABLE OPTIONS

DataTrak 8 can be modified

the user to alter functions that

are described previously. These modifications are made

adding or deleting traces and by using the Alternate

I/O

pins.

The following table shows the configuration of the option

traces and jumpers as shipped from the factory.

From Factory

Trace Designator

Description

Open Short

DS1

DS4

Drive address select pins DS2,DS3

DS1

(up

4 drives)

DS4

A,8,X

Radial HEAD LOAD

USE

from DRIVE SELECT

Stepper power from HEAD LOAD X

READY

alternate

output

pad

INDEX alternate

output

pad

Alternate input HEAD LOAD

Alternate input IN

USE

Alternate output DISK CHANGE

Alternate

output

DISK 2 SENSE

;

Stepper power from DRIVE SELECT

Y IN

USE

from HEAD LOAD X

Door lock latch X

Radial

READY

Radial INDEX

Inhibit write when WRITE

PROTECT

Allow write when WRITE

PROTECT

01, 02, 04,

DDS

Drive address, select pins X

(up

8 drives)

Two, double sided drive select X

Head select option

S1,S3

6,8,10,

Alternate

1/0

pins X

16,18,24

1 2 ... 7 8 9 10 11 12 13 14 15 16 17 18 19

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Qume DataTrak 8 Instrukcja Użytkownika Strona 12

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