PerkinElmer 550 User manual

MODEL-550

USER'S

MANUAL

PERKIN-ELMER

Terminals

Division

Randolph Park West

Route

and Emery Avenue

Randolph, New Jersey 07801

MODEL 550

USER'S MANUAL

Publication 59300-0042-00

September 1978

This manual contains user information on the Model

550

CRT terminal. Its contents are

proprietary and may not

reproduced, in whole

in part, without written authorization

the PERKIN-ELMER Terminals Division.

TABLE OF

CONTENTS

Section 1 Introduction

1.1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

1.2 General Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .

1-1

1.3 Environmental Specifications

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

1-1

1.4 Physical Specifications

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

1-1

Section 2 Initial Check and Functional Test

2.1

Unpacking and Visual Inspection

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

2-1

2.2 Environmental Requirements

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

2-1

2.3 Power Requirements

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

2-1

2.4 Functional Test Procedures

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

2-1

Section 3 Interfacing

3.1

Data

Communications

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

3-1

3.2

Auxiliary

Output

Interface (optional)

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

3-3

Section 4 Operations

4.1

Initial Setup

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

4-1

4.2 Data Line Setup

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

4-1

4.3 Establishing

Communications

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

4-2

4.4 Operations

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

4-2

4.5 Keyboard Functions

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

4-3

4.6 ASCII Control Functions

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

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

4-5

4.7 Escape Code Sequences

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

4-8

Section 5 Maintenance

5.1

Cleaning

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

5-1

5.2 Operator Checklist

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

5-1

5.3 Fuse Replacement

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

5-1

Figures

1-1

The Model 550 CRT . . . .. . . . .. . .. . .. . . .. . .. . . . . . .. . . .. . .. . . .. . .. . . . .. . . . . Frontispiece

3-1

20ma Current Loop Adapter . . . .. . .. . . .. . .. . . . . .. . . .. . . .. . . .. . . . .. . .. . . . . . . .. . . .. . 3-2

3-2 Current Loop

Connections

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

3-3

4-1

Front Panel Switches

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

4-1

4-2 Transmission Modes

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

4-2

4-3 Model 550 Keyboard . . . .. . . .. . . .. . .. . . .. . . . . .. . . .. . .. . . .. . . .. . .. . . .. . . . . . . . .. . . . . 4-3

Tables

3-1

EIA Data Interface

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

3-1

3-2

Current

Loop

Interface

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

3-2

3-3 EIA

Auxiliary

Output

Interface

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

3-3

4-1

Keyboard

Controls

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

4-4

4-2 Standard ASCII

Code

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

4-5

4-3 Keyboard Codes

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

4-5

4-4 Escape Code Sequences

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

4-8

4-5

Cursor

Addressing

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

4-9

5-1

Trouble

Shooting

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

5-1

BRIGHTNESS

SLIDING PANEL &

ALTERNATE ACTION KEYS

RS232

CONNECTOR PRINTER PORT

TRANSPARENT MODE

ON/OFF

NUMERIC PAD

POWER

CORD

MODE SWITCHES

Figure

1-1

Model 550 CRT

Section 1

INTRODUCTION

1.1

GENERAL DESCRIPTION

The PERKIN-ELMER Model 550 terminal is a low-cost, interactive teletypewriter replacement,

one

a family

PERKIN-ELMER CRT computer terminals.

See

Figure 1-1.

The hardware for the Model 550 is assembled from basic building blocks designed around a

proprietary

LSI

CRT controller chip.

1.2 GENERAL SPECIFICATIONS

The basicunitoperateson

115V,

60Hzforthedomesticmarketwith 1

OOV

/115V/230V, 50/60Hzavail-

able

for

the international market. Communications are performed in a serial, asynchronous mode

using the EIA RS232C/CCITT V.24 interface

optional 20ma current loop. Datatransmission

rate, parity selection, stop bit, and half and full duplex transmission modes are switch selectable.

Factory installed options are described under appropriate headings.

1.3 ENVIRONMENTAL SPECIFICATIONS

The terminal operates through

ambient temperature range of 0°C to 40°C with a maximum

relative humidity

80%

(non-condensing). When not in operation, it will withstand temperatures

ranging from

-40°C

to +65°C with a maximum relative humidity

95%

(non-condensing).

1.4 PHYSICAL SPECIFICATIONS

The Model

550

measures

inches high,

inches wide, and

inches deep: Itweighs 30 pounds

and has

off-white exterior with charcoal grey front. The standard keyboard contains high-

lighted control keys which facilitate high-speed operations.

Screen

Format

Screen size

Screen capacity

Number

lines

Characters per line

Phosphor

Displayable characters

Character formation

Number

scans

Refresh rate

inches diagonal.

1920 characters.

24.

80.

(white).

128 upper/lower case characters, numbers, punctuation, and

control characters.

5x9 characters in a 7x10 field.

per character.

50/60Hz (non-interlaced).

*35.5 x

38.1

48.3

cm; 13.6 Kg

1-1

Keyboard

Character code ASCII.

Keyboard layout ASCII,

bit

pairing.

Repeat key rate

cps.

Shadowed Numeric Pad 0-9, decimal point, comma, in standard calculator format.

Clear key To avoid accidental loss

data

"Control"

must be depressed at the

same time

"Clear."

Switch Format

Eleven baud rates

Stop bits

Transmission

Parity

Refresh rate

Video

Modem control

Current loop power

Transparent Mode

Factory Options

Keyboard

Universal power supply

Current loop cable

Peripheral Interface

Antiglare Screen

110, 200, 300, 600, 1200, 1800, 2400, 3600, 4800, 7200, and 9600 baud

One

two.

Full

half duplex.

Space, mark, even

odd.

50/60Hz.

White-on-black and black-on-white (inverse video).

The DTR lead to the modem is disabled when the terminal is in local

mode.

Switch selectable. +12V and -12V are supplied by the Model550 when

the current loop option is used. (see Table 3-2).

Switchable

for

display

control

characters on the screen.

International keyboards are available in French, Swedish, Danish/

Norwegian, German, British, and Spanish character sets.

100V/115V/230V, 50/60 Hz, switch selectable

Switch selectable 20ma

current

loop

for

passive, active,

hybrid

connections.

Auxiliary

output

("wye" type connection) direct connection to the

communications port, when enabled by the PRINT key.

Reduces reflection and glare.

1-2

Section 2

INITIAL CHECKOUT AND FUNCTIONAL TEST

2.1

UNPACKING AND VISUAL INSPECTION

All Model 550 terminals are

thoroughly

inspected at the

factory

for

loose

missing hardware,

scratches and dents.

After

taking the terminal

out

its box, inspect

for

any damage incurred

during

shipment. Refer

the shipping papers

verify the presence

options.

the shipping carton shows external damage and the

unit

does not perform properly, file a

claim with the shipping firm immediately and

notify

the

PERKIN-ELMER Customer Service

Department. PERKIN-ELMER Technical

Support

Representatives and Customer Engineers

are available

provide consultation and assistance on request. A list

PERKIN-ELMER Sales

and Service offices is given at

the

end

this manual.

Retain packing material and container

for

any future repacking and shipment.

Improper

repacking will void the warranty.

2.2 ENVIRONMENTAL REQUIREMENTS

See the detailed environmental requirements in Section 1.3.

The

Model 550 terminal operates reliably in a typical office environment.

Uncomfortably

high

temperature coupled

with

low

humidity

may cause

high

voltage static discharges

which

can

impair

performance.

This

evaluation should be made when selecting

installation site.

Place the Model 550 on a

typewriter

stand, low desk,

any

other

surface normally provided

for

office typewriters.

2.3 POWER REQUIREMENTS

Proper power source and

grounding

are essential

optimum

performance. Standard models are

equipped

for

115V, ±10%. Wire a

utility

outlet

directly

the main power panel

for

a "clean"

power source. Ensure that

this

line is free

other equipment, such

copying machines, calcu-

lators, electric typewriters, etc. These create electrical noise which may be transmitted

through

power lines and,

under

certain conditions, cause a malfunction. The

ground

wire between the

terminal power

connector

and the main power panel

ground

must be uninterrupted.

2.4 FUNCTIONAL TEST PROCEDURES

test all

functions

the Model 550

prior

operations, proceed

follows:

Set the power switch ON, allowing 30 seconds

for

the CRT to warm up. The power switch

on the right, above the key board.

Release the line key so

that

the terminal

in the local mode. The line key is on the keyboard,

above the alphanumeric keys.

Adjust the brightness

the display by adjusting the

control

dial. It is left, above the keyboard.

Set the duplex switch

half duplex operation. The

duplex

switch

mode switch

under

the

sliding panel. Refer

page

4-1

for

the location

this and

other

mode switches.

Depress each alphanumeric key in upper and

lower

case. Verify that the display is accurate.

Home the cursor by depressing the ESC and then

upper

case H keys.

Depress ESC and CTRL keys at the same time. The screen should fill

with

scrolling

display

characters plus the nondisplay character, DEL.

To terminate the

scrolling

display

the self-test, depress DEL and CTRL at the same time.

Familiarize yourself

with

the function keys by reading Section

Operations. Using the

Keyboard

Control

and Keyboard Code tables (Tables

4-1

and 4-3), verify that all keys

work

stated.

2-1

A final test may

performed with the Model

550

on-line in the full duplex mode

the host

processor can

programmed to be in the ECHOPLEX mode. Repeat the above test at the

desired baud rate to

~erify

that the data line is operational. (Refer to Section 4 Operations, for

initial setup

the terminal.) ·

2-2

3.1

DATA

COMMUNICATIONS

Section 3

INTERFACING

Theterminal transmits ASCII coded data in an asynchronousformat. See Table4-2. Each character

is preceded by a start bit and followed

one

two

stop bits. The terminal has an

EAi RS232C interface and (when ordered),

optional 20ma current loop adapter. Those EIA

signals which apply

this class

terminal (asynchronous data communications) are

assigned

pins in accordance with EIA Specification RS232C

for

interfacing data

communi-

cation equipment. Both the standard EIA

circuit

name and the

circuit

name used in Europe

(CCITT V.24) are shown in Table 3-1, EIA Data Interface.

Table 3-1. EIA Data Interface

25-Pln Male

Connector EIA RS232C

CCITT

Signal Name

101

Chassis Ground

103 Transmit Data

3 BB 104 Receive Data

6 cc 107 Data Set Ready

7 AB 102 Logic Ground

8 CF 109 Carrier On

9* --+12V

10* ---12V

--Printer Busy

CD 108.2 Data Terminal Ready

*Used on terminals with current loop option (switch selectable -

See

Figure 4-1).

The EIA Data Interface

Not

all signals at this interface are required

for

most applications. Signal descriptions are

arranged from most used

least used.

Pin 1 -

Chassis Ground, and Pin 7 - AB Logic Ground, should be carried in a cable

device such

a modem which is wired according

RS232C. These signals are tied internally.

The "primary channel" data lines, Pin 2 - BA Transmit Data, and Pin 3 - BB Received Data,

are the lines on which data

and from the terminal.

The signals, Pin

CC Data Set Ready, and Pin

CF CarrierOn, are notused

theModel550.

When mode switch 9 is OFF, the line key, on the keyboard, controls Data Terminal Ready.

When the terminal is on-line, Data Terminal Ready is high.

the terminal is switched

local

(off-line), Data Terminal Ready is switched low. When Switch 9 is ON, Data Terminal Ready

is held at a constant high.

If an auxiliary output interface is used, then when the printer generates a busy signal on pin 5

its auxiliary port, the signal is sent

the host on pin 19

the EIA Data Interface.

3-1

The Current Loop Interface (optional)

The current loop cable converter board forms an integral part

the cable. The board converts

the RS232C signals

into

20ma current loop levels. The signals generated by the interface are

listed in Table 3-2.

Table 3-2. Current Loop Interface

Signal 15-Pin Male

Name Connector

Logic

ground

TDU* 7

Receive(+)

Receive

(-)

Send (+) 9

Send

(-)

Chassis ground 1

The current loop interface uses optoisolators and can operate at any speed

to 9600 baud,

depending on line length and type.

Two

techniques

for

using the current loop are:

The terminal supplies the 20ma current

for

the loop (active).

The user's device supplies the 20ma current

for

the loop (passive).

Frequently, a hybrid

the

two

is used, e.g., the user provides the 20ma to the terminal but

expects "contact closure" outputs from the terminal. (Most teletypewriters accept a loop

current and provide

"contact

closure" outputs.) The adapter box on the optional current loop

cable permits the setting

switches (Passive/Active) on both the send and receive current

loops.

See

Figure 3-1.

Figure 3-1. 20ma Current Loop Adapter

*Busy signal used

Perkin-Elmer processor systems.

3-2

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