IBM 1620, 1626, 1627, 1620-2 DPS Manual Of Instruction

Customer Engineering

of

Manual

Instruction

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@ Data Processing System, Model 2

1626 1627

Plotter Control Unit Plotter Feature

Customer Engineering

Issued to:

Branch

Department:

Address:

___________

Office:

____________

__________

___________

If

this

manual

be

returned

is

misplaced, it should

to

the

above

address.

Manual

_

of

Instruction

~

®

~

@ Data

1626 1627

Processing

Plotter Control Unit Plotter Feature

System, Model 2

Copies

of

this

and

other

IBM Comments IBM,

Product

©

1964

concerning

Publications

by

International

the

contents

Business

publications

Department,

can

of

this

publication

San

Machines

be

obtained

Jose,

Corporation

may

Calif.

through

be

addressed

95114

IBM

Branch

to:

ii

Offices.

CONTENTS

SECTION 1 Introduction Operation

Instructions Operating

SECTION 2 Write

Numerically

Objective.

GENERAL

.

Modes

CIRCUIT

(Code

•

DESCRIPTION

38-WN)

1.1

1.2

2. 1

2.1

Functions Circuit

Dump

Objectives Functions

Write

Alphamerically Objectives Functions Circuit

Objectives

Numerically

.

Objectives

. 2. 1

(Code

35-DN)

(Code

39-WA).

2.1

2.2

2.3

iii

IBM

1627

1626

Plotter

Control

Models 1

iv

Unit

and

2

SECTION 1 GENERAL INFORMATION

INTRODUCTION

This

additional.

I/O

circuitry

complete

Unit

and

is

contained

tion

Reference The

1620

and

translates

The

1626

paper

tape

to

the

1620

fact

precludes

with

the

as

description

the

IBM 1627 in

1626

Control

1627. it

is

designed

code

paper

the

IBM 1626-1627.

OPERATION

Data

from

1620

(by digit)

commands.

to

drawing

movement and

pen

travels the is

achieved

also

that left

pen

remains to

the

pen

1626 Each layed

to

The

actual

by

incremental

(x-axis).

horizontally

front

of

acts

as a platen

The

drum

is,

the

and

right.

or

raise

in

opposite

The

drum

status

Plotter

digit

to

the

These

movements

of

the

The

the by

rotation

and the

paper

the

and

are

controlled

Control

is

decoded

1627 causes a 1/100" carriage

ment.The in

the

and/or

output

motion

record

Features

it

applies

of

Modell

the

IBM

Manual,

Unit

As

such

into

appropriate to

format.

tape

punch

use

of

core

storage

1626

where

commands

by

recording

pen

on

movement

pen

is

across

plotter.

of

(Figure

pen

moves

Control

pen

from

up

or

down

status.

pen

-carriage

Unit

into a directional

Plotter.

incremental

paper,

or

action

is

shown

Manual

to

the

IBM 1626

and

Customer

Form

227-5721.

is

connected

it

accepts

accept

output

Thus,

output

the

IBM 1621

is

it

is

are

the

1627

is

produced

the

paper

of

mounted

the

paper

The

vertical.

the

1-1).

carriage

up

and

is

also

provided

the

paper

state

by

digits

by a 1620

Each

movement

or

pen

up

resulting

in

describes

the

1620

IBM 1626-1627. A

Plotter

Model 2

Engineering

1620 output

plotter

data

the

1626

channel.

in

transferred

translated

then

Control

Plotters

Instruc-

between

data

commands.

in

the

is

connected

This

conjunction

serially

into 1627

converted

the

Plotter.

by

incremental

surface

the

in a carriage

feed

are

down and

until

movements

transferred

signal

or a pen

Figure

(y-axis)

paper

under

as

viewed

plotting

drum,

bi-directional;

the

to

lower

surface.

directed

and

output

instruction.

signal

to

the

of

the

down

from

each

1-2.

that from

motion

which

pen

The to

change

the

to

and

plotter

pen

move-

in-

the

moves

the

pen

the

re-

digit

Figure

1-1.

Instructions

The

plotter

* Dump

Write Write

P-address

The

order

core plotter and

mark. last

at

either

meric

use

commands Only plotter

of

*

is

39

are

Op

pOSition

address

Positive

one-digit form

of

other

the

command

plotter

If

Op

Code marks marks

absolute

cause

Chart Paper

Paper

and

Pen

is

controlled Numerically, Numerically, Alphamerically,

of

storage

selected

pOSition

by Q8Q9 terminated code 35

is

of a core

19999, 39999,

or

negative numerical

may

be

used

characters

or

no

command

value

(the

action.

in

35

the

Table

is

used,

data

transmitted

conflicting

Motions

by

the Op Code 35 Op Code 38

the

instruction

of

digits

by

a

record

terminated

storage

or

59999).

numerical

form

in

the

can

cause

to

of

the

sign

does

1)

there

plotter

following

Op Code 39

defines

the

output

of

02. Op

mark

by

the

module

(output

characters,

or

two-digit

output

record.

either

be

sent

to

digit

is

translated

not

affect

should

to

be

the

commands.

Supply Spool

Take-up Spool

instructions:

the

record.

codes

or

a group

output

of

alpha-

The

conflicting

the

plotter.

the

direction

no

record

1626.

Record

high-

The

38

the

data

in

as

a

227-5811-0 (11-63)

1.1

put

record

pen

which

The

distance

zontal

or

vertical

produces

results

simultaneous

in a diagonal

moved diagonally

movement.

motion

movement

is

1. 4 times a hori-

of

(Figure

paper

and

1-2).

r,'\

~

NOTE: The that

correspond

as

viewed

plotted

so

as shown

Figure

Table

Numerical Character

Op

Code

above.

1-2.

1. Proper

+y

...

~It-""""'----

Pen

9 - Raise Pen

0-

Lower Pen

encircled

from that

Output

35 ~ 38

numerical figures

to

the

indicated

the

front

their

horizontal

Record

Output

of

the

Control

Characters

Alhhameric

C

Op

-x

7

direction plotter. axes

are,

aracter Code

are

the

1620

of

plotting

Normally, graphs

in

reality,

Digit

39

characters

movement

are

the X axis

Plotter Action

Single

The size each

Character

P-address

record,

successive

computation

or

other

processing

operations.

For

example, a Write

and a

data

record

by a

Figure (ms) Model is

1-3.

for

the

2.

disconnected

struction

plotter

before 1620

mand.

ms than

(1627

ms

instruction

If

a

second

completion

waits

Plotter

apart,

the

maximum

Modell

for

pen

(Overlap) Mode

of a write

but by

increment

record

mark

This

1627,

However,

and allowed to

200

microseconds

1620

until

the

instructions

operate

speed).

status

instruction

using

single-character

can

is

being

drawn.

instructions

are

"overlapped"

Numerically consisting (5

:j:)

produces

operation

Modell,

the

is

initiated

plotter

requires or 5 ms

1620 CPU

(/-l

instruction

of a previous

plotter

can

that

the

plotter

rate

of

300

Both 1627

change

(0

or 9 in

be

computed

for

the

of

the

digit

the

is

proceed

sec)

after

..

plotter

accept

occur

properly,

increments

models

the

can

refer

records,

while

In

this

manner,

with

plotting

instruction

five followed

result

for

not

3.3

miliseconds

the

held

to

the

shown in

1627,

the

is

attempted

operation,

the

than

but

at

per

require

output

to

any

the

up, but

write

com-

3. 3

less

second

100

record).

the

0,0

1,1

2,2 72,52 3,3 73,53 4,4 5,5 6,6 76,56 7,7

8,S 78,58

9,C,

Operating

An

output ment of

l' s or

along

1.2

Modes

record

by

the

plotter

5' s produces a pen

the

y-axis.

70

71,51

74,54 75,55

77,57

79,59 Raise Pen

of

3' s or

along

The

7' s produces a paper

the

digits

Lower Pen

-+y

Increment

+X,

+x

Increment

+x,

-y

Increment

-x,

-x

Increment

-x,

x-axis.

movement

2,

4,

6,

-y

Increment

-y

Increment

-y

Increment

-+y

Increment

An

outputrecord

by

the

or 8 in

an

move-

plotter

out-

!--I/IOO"

Start Finish

( assume

pen

in down status )

Figure

1-3.

Plotter

Result

Multiple

When a one lapped sisting lower tion, +y),

Character

record

character,

with

processing.

of

05555922077779:1:

pen,

move

raise

pen,

lower

pen,

Record

in

core

only

the

pen

move two

move

for

Data

of

5

:I:

(Nonoverlap) Mode

storage

last

four

consists

character

For

example, a record

is

translated

increments

drum

four

of

can

as

in

the

diagonally

increments

more

be

over-

follows:

-y

in

than

con-

direc-

(+x,

the

-x

(paper-up

result

is

In

the

(wait

for

Start

motion)

shown

foregoing

the

plotter).

direction,

in

Figure

example,

The

raise

1-4.

the

duration

tv\otion

pen was

1/100"

T

pen.

1620

will

is

approximately

during time

raised.

The

interlock

plotter

330 the

Table

Output

ms

with

the

1627

Model

2.

Timing

Record

Characters

0

5555

9

22

0 100

7777

9

1627

2.

Timing

Modell

1627-1 1627-2

Plotting Time

100

13

100

7

13

0.3*

333.3

Plotter

is

computed

ms

or

Plotting

"350

as

100

20

100

10

100

20

0.3*

350.3

ms

shown

Time

ms

with

in

Figure

1-4.

Plotter

05555922077779=1:

Result

for

Data

of

* Approxi mately

the

1627

can

act

99.7

on

ms

are

ava

another

plotting instruction.

ilable

for 1620 processing before

227-5811-0 (11-63)

1.3

SECTION 2

CmCUIT

DESCRIPTION

WRITE

The 39 tem

circuit

NUMERICALLY (CODE 38-WN)

1626

and

the

Diagrams

description.

Objective

•

Functions

During

are to

I-cycles,

placed

specify

by 02.

The

from

the

(OR-2) the digits the

and

selected

of

output

Alphabetic numerical ory

as

two adj

in

alphameric

vice

as

two

The

in

memory.

Transmission

data

to

the

ponding

The

following

If

the plotter after

as

the

block

diagram

function

are

used

Transmit flag nated sively device

the

numerical

bits,

from

by

the

higher

specified

instruction.

the

in

the

Digit/Branch

the

output

digits

of

output

memory

location

successively

output

data

device.

characters,

characters

acent

mode,

numerical

write

operation

of a numerical

plotter

to

the

Write

requires

paper

Check

condition

A

character

to

the

output

Write the

Check

output

corresponding

for

charts

to

the

P-address

memory

Q8

and

device.

data

higher

device.

are

recorded

that

digits

are

digits.

leaves

tape

latch

exists:

with

device

latch

device,

plotter

Op

Codes

contained

supplement

information,

memory

(OR-2)

locations

by

the

Q8

Q9

digits

register

The

are

transmitted

designated

memory

Flag

bits

special

have

been

because

recorded

output

plotter

code

for

is

turned

incorrect

by

the

is

turned

the

plotter

motion

35, 38,

in

the

location

and

Q9

of

the

and

plotter

by

the P -address locations

in

memory

with

the

characters,

stored

the

computer

by

the

data

character

motion

the

specific

on

when

parity

output

on

is

and

1620

Sys-

following

including

desig-

succes-

to

the

output

digits

instruction

decoded

is

specified

serially

digits

and

in

mem-

was

output

de-

unchanged

of

output

corres-

digit.

the

is

presented

translator.

with

the

stopped

complete.

of

to

with

by

With

operation

1.

2.

Circuit

Write

Latch

1.

2.

3.

4.

I/o

Memory

1.

2.

3.

4.

5.

6.

7.

I/O

Memory

1.

2.

3.

4.

the

plotter

is

terminated

as

the

by Sensing a record Termination the

computer

write ately, the

Start

to

restart

the

operation

and

key

the

of

to

Release

the

computer

on

computer

Objectives

(11. 83. Turned Turned detected) Block Turn latch

Control Turned a.

Write

to

03.1-10.

on by

1-6.

off

by

I/O

.

''Run Clock" on (T17D2) during

1-6

A (11. 83.

on by

the

Latch

set

first

MBR.

b.

Response

Gate

subsequent

Turned turn Turn

on.

on

off

Run

during

Clock

cycle. Read

OR-2.

Write

OR-2

incremented

Turn

on

Character

Gate

Output

channel

Translator

digit

to

punch.

Control

Turned

on by

Latch

I/O (T11D4) . Turned Turn character

on

off

during

Write

is

Check

detected. Develops a service Go

latch

when

the

available

in

MBR.

output

one

mark

the

write enter in

sequence.

key

is

the

console

01.

Exit

control.

I/o

Memory

time.

following:

(T1702)

output

latch

output

the

latch

Gate

punch

B (11. 83.

Memory

following

latch

response

output

device,

of

the

following:

from

memory.

operation

the

I-cycles

on

the

terminated

stops.

is

.

51.1).

(Record

08.1-10.

during

character

for

second

characters.

cycle

following

for

one

1.

latch.

to

allow

on

the

paper

08.1-10.

Control

cycle

if

an

to

character

the

directs

for

console.

immedi-

Pressing

then

required

Mark

Control

01.

53.1).

1-6

time

into

machine

the

select

tape

Latch

(T2D3).

even

turn

is

write

the

and

its

05.53.1). A

parity

on

the

227-5811-0 (11-63)

2.1

Go

Latch

1.

2.

3.

Response

1.

2.

3.

4.

Release

1.

2.

3.

(11.

82.12.1-10.

Turned

Memory

Turned Gates

Gate Turned the Turned ing Raise

Control (record Turn

detected

Latch

Turned a mark on Turned Turns writing

on by

service

Control

off

by

P3

the

output

Latch

(11.

on by a

plotter.

off

(T2D3)

its

turn

on.

I/o

response

latch

if

mark

not

on

Release

on

the

(11.11.08.1-10.01.49.1).

on

by a Response

plotter

write

(punch EOL)

the

select

off

Write

of

data.

channel.

by

I-cycle

01.

S8.1).

response

B).

Response.

translator.

83.16.1-10.01.

P3

response

during

Write

yet

latch

select

operation

Latch

the

to

turn

latch

detected).

if a record

channel.

Gate

when a record

character

Reset.

to

block

signal

cycle

on

I/o

is

(I/O

53.1). from

follow-

Memory

still

on

mark

latch

detected

further

is

during

Functions

The

Dump

from

Write

as

follows:

1.

2.

Termination computer tion

in

sequence.

The module the

Circuit

See

WRITE

is

dump

Objectives

Write

ALPHAMERICALLY

Numerically

Sensing not marks commands. The digit transmitted

to

content

recorded

instruction

Numerically

of a record

terminate

in

dump

in

memory

of

enter

of

operation,

the

memory

)

operation

to

the

dump

the

I-cycles

every

by

the

is

00000.

(Code

Code 35,

Code 38, only

mark

in

dump

operation.

cause

conflicting

is

terminated

location

plotter.

memory

plotter

19999

operation

for

the

location

if

the P address

38

- WN).

(CODE 39 - WA)

memory

when

has

directs

of

differs

does (Record plotter

the

been

the

first

of

Write

Check

1.

2.

3.

4.

DUMP NUMERICALLY (CODE

The

1626

the

1620

the

following

Objectives

Turned if

an the Turned ditions: a.

b.

Turn Gate can

block

Systems

•

Transmit flag starting P

address

location

Latch

(11.

on by

even

number

output

translator.

off

by

Depression console.

When

tested

Branch

on

the

Write

be

circuit

bits

Check

tested

diagram

Diagrams

numerical

and

at

the

(OR-2)

19999.

83.24.1).

the

write

of

either

of

Check

by a Branch

No

Indicator

Write

Check

indicator

to

cause

and

description.

record

location

and

VR C

error

bits

are

of

the

following

Reset

operation. light.

circuits

branching.

35--DN)

the

function

are

used

information

marks,

designated

continuing

circuits

presented

key

Indicator

charts

to

supplement

including

from

memory

by

through

con-

on

that

the

or

in

to

The

1626 contained to

supplement

Objectives

•

With

•

Functions

During

instruction

and

is

memory

ory

and

the I -cycles,

decoded

specified

Output

locations the

P-address

block

in

the

the transmit digits

from

ted

by

ively

higher

Decode into

the

special

Record

are

to

specify

by 02.

characters

as

two

designated

diagram

1620

System

following

computer

characters

the

P-address

pairs

each

two-digit

proper

character.

the

information

the

placed

adjacent

(OR-2)

and

the

Diagrams

circuit

in

memory

of

numerical,

Q8

and

in

the

Digit/Branch

the

output

are

transmitted

digits

by

the

and

function

descriptions.

alphameric

stored

memory

as

locations

(OR-2)

beginning

continuing

and

memory

alphabetic,

on

the

Q9 digits

device.

P-address

charts

are

used

mode,

two

adjacent

designa-

success-

locations.

character

plotter.

of

the

register

The

plotter

serially

at

the

minus

with

suc-

or

from

mem-

1

2.2

cessively 2-digit

memory numerical, output

translator

The

the

odd

-numbered

numerical

is

stored.

located

1) used

which

to

at

provide

character

If

an

eously

to

the

plotter

designated

occur.

Output

numerical

memory made

to erical invalid digits

characters

combinations

are

Flag

which

an

to

the

plotter.

data

unchanged

higher

pairs

character

alphabetic,

and

presented

P-address

of

memory

digit

of

the

The

zone

digit

the

is

an

even

address.

memory s. even-numbered

by

the

is

incorrect

data

may

consist

and

alphabetic

as

two-digit

write a record

by

means

of

the

bits

output

result existing

record

The

write

in

memory.

and

of

memory

is

decoded

or

special

the

instruction

location

first

character

of

the

memory

Increment

addresses

memory

P-address,

and

parity

of a random

characters

characters.

containing

of

disassociated

parity

in

memory

is

written operation

locations.

character

to

the

at

first

address

for

location

If

single-digit

this

instruction,

errors

locations

are

leaves

into

the

plotter.

must

designate

which

to

be

transmitted

character

(P

plus 2 is

successive

is

data

presented

errors

mixture

which

exist

an

attempt

numerical

may

occur. from

not

transmitted

output

Each

proper

by

the

is

minus

erron-

may

is

num-

in

of

Transmission

the

plotter

the

paper

space

is

The

following

If

the

plotter

after

as

the

With

operation

1.

2.

Circuit

See

Write

of a character

requires

tape ignored Write

condition

A

character

sented

code

by

Check

to

the

plotter for the

exists:

lator.

Write

Check

the

output

device,

corresponding

the

plotter

is

terminated

as

Sensing a record address. tion

I-cycle

Pressing The ately

Start

restart

directs

for

write

and

key

the

Termination

the

operation the on

computer.

Objectives

Numerically

motion

the

specific

plotter.

latch

is

with

incorrect

plotter

latch

plotter

the

output

by

one

mark

computer

the

console

(Code 38).

of

output

corresponding

character.

turned

on

parity

by

the

output

is

turned

the

plotter

motion

device,

of

the

following:

at

an

odd

of

the to

enter

instruction

key

on

the

is

terminated

stops.

is

required

data

when

is trans-

on

with

is

stopped

is

complete.

the

memory

write

the

in

sequence.

console.

immedi-

Pressing

to

A

the

pre-

the

write

opera-

the

to

227-5811-0 (11-63)

2.3

a

N

CD

-

_ - - - cut here _ _ _ _ _ _ _ _ _ _ _

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International Business Machines Corporation Data Processing Division

112

East Post Road, White Plains, New

York

L3

IBM 1620, 1626, 1627, 1620-2 DPS Manual Of Instruction

Specifications and Main Features

Frequently Asked Questions

User Manual