Digital Equipment LV8 Manuale utente

333345?flggilthfiéfl‘é'm"

mama

LV8/LV12/LV11

printer/plotter

user’s

guide

laboratory

data

products

DEC-1

2-HLVAA-A-D

LV8/LV12/LV11

printer/plotter

user’s

guide

digital

equipment

corporation

magnard,

mossochusetts

_.._._._,

1973

Digital

Equipment

Corporation

The

material

this

manual

for

information-

purposes

and

subject

change

without

notice.

The

technical

information

and

halftones

contained

Chapter

Installation,

are

reprinted

courtesy

Versatec,

Inc.,

Cupertino,

California.

The

following

are

trademarks

Digital

Equipment

Corporation,

Maynard,

Massachusetts:

DEC

PDP

FLIP

CHIP

FOCAL

DIGITAL

COMPUTER

LAB

UNIBUS

First

Edition,

January

1973

2nd

Printing,

August

1973

CHAPTER

1.1

1.2

1.3

1.3.1

1.3.2-

1.3.3

1.3.4

1.4

1.5

CHAPTER

2.1

2.1.1

2.1.2

2.1.3

2.1.4

2.2

2.2.1

2.2.2

2.2.3

2.2.4

2.2.4.1

2.2.4.2

2.3

CHAPTER

3.1

3.1.1

3.1.2

3.1.3

3.2

3.3

3.4

3.5

3.6

3.6.1

3.6.2

3.6.3

3.7

3.7.1

3.7.2

3.7.3

CONTENTS

Page

INTRODUCTION

Scope

............................................

1-1

General

Description

.....................................

1-1

Functional

Description

....................................

1-2

Mode

.......................................

1-2

Plot

Mode

.......................................

1-2

LV8

Interface

.....................................

1-3

LV11

Interface

.....................................

1-3

LVOl

Specifications

.....................................

1-3

Reference

Documents

....................................

1-4

INSTALLATION

Unpacking

Instructions

...................................

2—1

Removing

LVOl

Unit

from

Shipping

Container

....................

2-1

Inspecting

LVOl

Unit

for

Shipping

Damage

......................

2-1

Opening

the

Mechanical

Module

............................

2-2

Operating

Supplies

...................................

2-4

Cabling

Requirements

....................................

Power

Cable

......................................

2-4

LVOl

Interface

Controller

.............................

2-4

LV11,

LV8

Interface

Controller

Module

Mounting

..................

2-4

Jumper

Configurations

.................................

2-5

LV11

(M7258)

Jumpers

.............................

2-5

LV8

(M8302)

Jumpers

..............................

2-6

Packing

LVOl

for

Shipment

.................................

2-6

OPERATION

AND

PROGRAMMING

Operating

Instructions

....................................

3-1

Roll-Type

Electrographic

Paper

........................

3-1

Fanfold

Type

Electrographic

Paper

......................

3-4

with

Toner

..................................

3-10

Operator

Controls

and

Indicators

..............................

3-11

LVOl

Printer

ASCII

Character

Set

..............................

3-12

Format

Control

Codes

....................................

3-13

Programming

Considerations

.................................

3-14

PDP-ll

Programming

....................................

3-14

Control

and

Status

(LVCS)

..........................

3-15

Data

Buffer

(LVDB)

.............................

3-16

Interrupts

.......................................

3-16

PDP-8/PDP-12

Programming

.................................

3-16

IOT

Instructions

....................................

3-16

Status

.....................................

3-17

Programming

Considerations

..............................

3-18

iii

CHAPTER

4.1

4.1.1

4.1.2

4.2

4.2.1

4.2.1.1

4.2.1.2

4.2.2

4.2.3

4.2.4

4.3

4.3.1

4.3.2

4.3.3

4.3.4

CHAPTER

5.1

5.2

Figure

No.

1-1

2-1

2-2

2{3

244

3-1

3-2

3-3

3-4

3-5

3-6

3-7

3-8

3-9

3-10

3-11

3-12

3-13

3-14

3-15

3-16

3-17

3-18

CONTENTS

(Cont)

Page

PRINCIPLES

OPERATION

LVOl

Printer/Plotter

.....................................

4-1

General

Operation

...................................

4-1

Electrostatic

Writing

Technique

............................

4-2

LVll

Detailed

Description

..................................

4-2

Address

Selection

Logic

................................

4-2

Address

Inputs

..................................

4-3

Outputs

.....................................

4-5

Interrupt

Control

...................................

4-6

Data

Logic

..................................

4-7

Printer

Control

Logic

.................................

4-7

LV8

Detailed

Description

..................................

4-9

IOT

Decoding

.....................................

4-10

Printer

Control

.....................................

4-11

Data

......................................

4-12

Interrupt

and

Skip

Control

...............................

4-12

MAINTENANCE

Inspection

..........................................

5-1

Diagnostics

..........................................

5-1

ILLUSTRATIONS

Title

Page

LVOl

Functional

Block

Diagram

...............................

1-2

Damage

Inspection

......................................

2-1

Back

Panel

Removed

.....................................

2-2

Platen

Raised

View

......................................

2-3

Removing

Packing

Material

.................................

2-3

Paper

Removal

........................................

3-2

Inserting

Cross

Roll

Paper

.................................

3-2

Inserting

Roll

Paper

.....................................

Paper

Pulled

Out

.......................................

3-3

Paper

Transport

Module

...................................

3-4

Control

Panel

........................................

3-4

Fanfold

Paper

Guide

.....................................

3-5

Paper

Stacking

Insert

.....................................

3-5

Paper

Supply

Compartment

.................................

3-5

‘Fan’

the

Paper

Loosen

the

Sheets

............................

3-7

Position

Stack

for

Fanfold

Operation

...........................

3-8

Paper

over

the

Paper

Guide

Assembly

........................

3-8

Positioning

the

Paper

Left-to-Right

the

Paper

Roller

...................

3-9

Paper

Loaded

and

Top

Casting

Closed

............................

3-9

Location

Paper

Receiver

Basket

..............................

3—9

Inserting

Tubes

Toner

Bottle

...............................

3-10

Toner

and

Concentrate

Bottles

Installed

...........................

3-10

Control

and

Status

Bit

Assignments

.........................

3-15

"“‘v

a-wnmv

m'"\w

u”,

Figure

No.

3-19

4—1

4—2

4.3

4.4

4—6

4.7

4—8

4—9

4—10

Table

No.

2-1

3-1

3-2

3-3

3-4

3-5

4—1

4-2

ILLUSTRATIONS

(Cont)

Title

Page

Data

Buffer

.....................................

3-16

LVOl

Interface

Signals

....................................

4-1

LVll

Functional

Block

Diagram

...............................

4-3

Address

Selection

Logic,

Simplified

Diagram

........................

4-4

Controller

Select

Address

Format

..............................

4-4

Interrupt

Control

Logic,

Simplified

Block

Diagram

.....................

4-6

LVll

Character

Transfer,

Timing

Diagram

..........................

4-8

and

Timing

Diagrams

.................................

4-9

Remote

Control

Timing

Diagram

..............................

4-10

Plot

Mode

Timing

Diagram

..................................

4-10

LV8

Functional

Block

Diagram

...............................

4-11

TABLES

Title

Page

M7258

Jumpers

.......................................

2-5

LVOl

Controls

and

Indicators

................................

3-11

LVOl

ASCII

Codes

......................................

3-12

Format

Control

Codes

....................................

3-13

IOT

Programming

Instructions

................................

3-17

Status

Bit

Assignments

...............................

3-17

Select

Lines

.........................................

4-5

Gating

Control

Signals

....................................

4-5

CHAPTER

INTRODUCTION

1.1

SCOPE

This

guide

contains

operating,

installation,

programming,

and

technical

reference

data

the

LV8/LV12/LV11

Printer/Plotter

System.

The

printer/plotter

system

consists

two

components:

LVOl

Line

Printer/Plotter

(manufactured

Versatec,

Inc.)

and

Digital

Equipment

Corporation

(DEC)

computer

interface

unit.

The

interface

unit

designations

for

use

with

each

DEC

computer

are

listed

below.

Interface

Used

with

DEC

Computer

LV8

PDP-8/E,

PDP-8

LV12

PDP-12,

PDP-8/I,

PDP-8/L

(positive

bus

only)

LVll

PDP-ll

For

example,

the

LV11

system

consists

LVOl

Printer/Plotter

and

LVll

Interface

Controller

for

use

with

PDP-ll

computer.

This

guide

and

the

Versatec

maintenance

manual

must

used

together

for

complete

understanding

the

printer/plotter

system.

The

prime

subject

this

guide

the

LV8,

LV12,

and

LVll

Controller.

The

prime

subject

the

Versatec

maintenance

manual

the

printer/plotter

itself;

the

manual

presents

detailed

discussion

the

and

plot

mechanisms,

including

installation,

operation,

maintenance,

troubleshooting,

and

engineering

drawings.

Paragraph

1.5

lists

all

reference

documents

the

printer/

plotter

system.

1.2

GENERAL

DESCRIPTION

The

LVOl

Printer/Plotter

hard

copy

device

manufactured

Versatec,

Inc.,

Cupertino,

California,

exacting

set

DEC

specifications.

Its

speed,

compact

size,

and

quietness

operation

make

ideal

for

use

hospitals,

research

laboratories,

and

offices.

The

line

printer

has

132

columns,

ASCII

character

set,

and

prints

speed

500

lines

per

minute

(full

line).

The

plotter

speed

120

lines

per

second

maximum,

with

data

transfer

rate

500K

bytes

per

second

maximum.

Printing

accomplished

depositing

electrostatic

charge

dielectric

surface

and

blackening

the

charged

areas

with

fine

particles

deposited

from

liquid

toner.

The

paper

then

dried

directing

air

flow

over

the

paper.

The

LVOl

available

two

models.

The

115V

model,

designated

LVOl-BA,

handles

104—132

Vac

Hz.

The

240V

model,

designated

LVOl-BB,

handles

208—264

Vac

Hz.

1-1

Interfaces

between

the

LVOl

and

most

DEC

computers

are

available.

The

interface

between

the

LVOl

and

PDP-8/E

PDP-8/M

designated

LV8;

the

interface

between

the

LVOl

and

PDP-12

designated

LV12;

the

interface

between

the

LVOl

and

PDP-ll

designated

LV11.

The

LV8

and

LVll

interfaces

are

described

this

manual;

LV12

operation

identical

the

LV8

interface

operation.

1.3

FUNCTIONAL

DESCRIPTION

(Figure

1-1)

1.3.1

Mode

the

mode

operation,

the

LVOl

accepts,

parallel,

7-bit

ASCII

input

code

from

the

LV8,

LV12,

LVll

Controller.

Each

character

received

stored

l32-character

memory

(buffer).

These

132

characters

represent

one

full

line

data

11-inch

wide

paper.

Once

the

132-character

memory

full,

the

LVOl

automatically

prints

the

132

characters

line

and

then

performs

automatic

carriage

return.

less

than

full

line

received,

certain

format

control

codes

(described

Table

3-3)

must

transmitted

the

LVOl

initiate

printing

that

line.

CONTROL,STATUS

PDP-

8/E

OMNIBUS

LV8

mfg/PER

PROCESSOR

INTERFACE

DATA

PLOTTER

CONTROL,STATUS

PUP-12

POS.

r/o

BUS

LV12

LVO‘

PDP-8/I

,NTERFACE

DATA

PRINTER/

PROCESSOR

PLOTTER

CONTROL,STATUS

POP—11

UNIBUS

LV11

mfg/19%,

PROCESSOR

INTERFACE

DATA

PLOTTER

(SP-0413

Figure

1-1

LVOl

Functional

Block

Diagram

When

printing

occur,

each

ASCII

character

must

decoded

and

translated

the

form

horizontal

and

vertical

dots

that

can

produce

recognizable

image

the

paper

surface.

Each

character

composed

dots

within

matrix;

total

bits

binary

information

are

associated

with

each

character.

Read-only

memories

(ROMS)

are

used

store

this

information

until

needed

the

printer.

These

bits

are

sequentially

applied

the

writing

points

produce

the

desired

pattern.

When

black

dot

required,

charge

placed

the

paper;

when

dot

required,

charge

applied

the

paper.

This

process,

which

also

known

the

raster

scan

method

writing,

similar

the

writing

technique

used

television

and

television-like

terminals.

1.3.2

Plot

Mode

When

the

plot

mode

operation

selected,

the

LVOl

accepts,

parallel,

8-bit

data

bytes.

This

binary

information

stored

1024-bit

buffer

which

represents

full

scan

line

ll-inch

paper.

The

line

automatically

printed

when

the

last

byte

(128th)

received.

The

character

generator

used

the

mode

disabled

and

the

unweighted

binary

information

transferred

directly

the

writing

surface.

Input

bit

prints

the

left-most

writing

point

the

current

byte

when

viewing

the

resultant

printout.

example,

input

bit

would

the

first

dot

scan

line

set

the

first

byte

data

transmitted.

Because

the

electrostatic

method

writing,

data

must

presented

the

plotter

the

form

bit

map

the

desired

graphical

information.

This

can

accomplished

with

basic

software

package

which

translates

simple

commands

into

the

required

binary

data.

Unlike

pen

plotters,

speed

not

dependent

the

complexity

the

image

produced.

For

example,

the

LVOl

could

produce

8-1/

inch

long

inch

wide

graph

chart

seconds,

regardless

complexity.

This

opens

new

dimension

the

use

plotting

with

computers,

since

pen

plotters

have

always

had

severe

limitation

speed

due

the

necessity

writing

every

line

with

single

writing

pen.

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