Liebel-Flarsheim CT 9000 User manual (2024)

CT

9000

800951

DIGITAL

INJECTION

SYSTEM

INSTALLATION,

SERVICE

AND

Liebel-Flarsheim

2111

EAST

GALBRAITH

ROAD,

CINCINNATI,

Company

OHIO

45215

U.S.A.

CT

9000

Digital

Injection

System

The

serial

numbers

replacement

requested

Base/Elect

Powerhead

Console

Model

Date

information

Cab

S/N

Number

of

Installation

parts

S/N

S/N

and

date

or

optional

below:

of

manufacture

accessories.

must

For

convenience,

be

supplied

when

record

requesting

the

Installing

Address

Phone

Company

No.

800951

March

1993

FOREWORD

LE

MEANINGS

小

OF

SYMBOLS

Congratulations Injection

product

Regardless deny or

abuse ing manual manual

Please

symbol.

DANGER!—Hazards

WARNING!—Hazards

CAUTION!—Hazards

System.

to

its

owner

occurs

or

servicing

and for

regard

on

The

support

of

how

the

unintentionally, the

the

Operator's

reference.

future

any

your

purchase

CT

9000

health

better

well

a

piece

expected

equipment

Manual

message

which

which

which

of

the

represents

throughout

care

of

equipment

safe,

efficient,

simply

is

unknown.

before

that

follows

could

result

result

could

could

result

Liebel-Flarsheim

our

effort

world.

the

is

designed

and

quality

because

the

proper

We

urge

servicing

a

Danger,

in

severe

in

in

the

personal

personal

equipment

CT

to

provide

misuse

service.

method

you

to

CT

9000.

Warning,

injury.

or

property

9000

Digital

a

quality

or

abuse

Often,

carefully

injury

of

read

Retain

or

Caution

or

damage.

misuse operat-

will

this

this

death.

个

'<Y “Y

WARNING!—E£lectrical

Non-

Anesthetic

Remote

Printer

Primary

Secondary

handswitch

console

proof

console

hazards

which

could

result

in

personal

injury.

800951

March

1993

CT

9000

Digital

Injection

System

|

2

.

O/O

Powerhead

Toggle

Push-push

Viewing

On/Off

OnlOff

Angle

©

Injecting

(3)

Enabled

(Ready)

C)

switch

Adjustment

x

8

2

->

Protocol

©

Scan

delay

Time

Date

Syringe

Patient

Protocol

Injecting

volume

volume

volume

in

Progress

(rotating

wheel)

800951

March

1993

TABLE

OF

CONTENTS

CHAPTER

Service Specifications.

Technician

1

οποιο

Power

Voltage

Electrical Environmental

和

Syringe

Flow Pressure

Inject Scan

CHAPTER

Unpacking Installation

Turn

on Record Enter

the

the

Language

2

and

Assembly

Procedure

Electronics

Powerhead

the

CT

9000

Version

Pressure

and

SYSTEM

Qualification...

Requirements

OVERVIEW

...

RequiremMénts

Re

Heater

Rate

Delay

Delay

908 人 Be

Leakage

Parameters:

ήσαν

.......

eee

........

...

INSTALLATION

Procedures

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

Cabinet Remote Printer Primary Secondary Powerhead

Power

Heater Electronics

ee

Electronics

Level

Limit,

Registration

Handswitch

Connection

Console

Cord

ia

rela

Blanket

sens

Time,

Name

...

sise

Console.

Connection

Connection

Connection

Cabinet

Cabinet

Date,

1-2

1-2

NEN

sus

ry

ем

ss...

in

ie

ee

sr。

...1-2

1-2

…

1-2

1+2

1-2

…

1-3

1-3

1-3

…

1-3

1-3

1-3

1-3 1-3

1-3

..…………….……………………

Connection..........................

ee

.....sesmesesesescessimeseseseenesaoressios

.

Connection

Connection..

nenene

2-1

…2-1 …

2-1

2-2

2-2

á

2-3 2-4 2-4

esence

2-4

800951

March

1993

CT

9000

Digital

Injection

System

CHAPTER

Overall

Power

Console

System..............

Velocity

Volume

Pressure

Pack

Main Voltage

Motherboard.................

CPU

3

Control

Control

Control...

Overview

Power

Select

Power Powerhead

Auxiliary

Handswitch

StatusLEDs..........................

Mother Console

Board

т

Microprocessor DUART

Auxiliary EEPROM RAM

ERROM Digital Analog

Jumpers

Hardware Input/Output

Overview

THEORY

....

.......

Input

.....

Board

Supplies.....

Interface

I/O

Interface

Interface

Board

Connectors

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

Configuration

RS-422

Operation

Operation

Operation

to

Analog

to

Digital

and

LED's

Summary

Definition

OF

OPERATION

...

.....

BUS

Connectors

......

ο

πμ

Configuration

Inputs

.......

cg Converter Converter

and

...

..

μμ

Operation............

Operation..........................

Operation...

μμ.

and

Operation

ひ

…

...

RØRE

.3-16

„3-16

.3-16 .3-16

.3-17

3-17

.3-17

3-18 3-18

vi

ViewingAngleBoard.................................

Keyboard...................

Display

Powerhead

Main Microcontroller Heater RS-422

Console

Display

eee

Overview

Powerhead

Blanket

Interface

CPU

.……

Controller.............................

renser

.……………

せ … せ

………………….

Board

.........

Control

..............rrerrericenic

rin

ezinenee

sere

veczoneeneenenzeneneese

800951

March

1993

Ti

Keyboard

Power

Knob Lamp Motor Status

Supplies

Encoder

Interface

Interface

LEDs

A

and

Sensor

Interface

...........

....

Interface

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

...

el

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

CHAPTER

Error

and

Error

Fáault

4

Fault

Messages...

Messages...

INJECTION

Insufficient

Press

Invalid

Press Lock ιο

ως

Heater

To

continue,

instructions.

(SecalsoFaultMessage#22)....................................

Overheating

To

instructions.

(See

Messages

Fault

Brakedidnottumeofl.....................................

Fault # 002

Brake

Fault # 003

Reverse

Fault # 004

Reverse

Fault # 005

Safe

Fault # 006

Safe Fault # 009

Safe Fault

PWM

TROUBLESHOOTING

te

aen

eat

ta

anne

4-1

µµµμ-ϱ--υ-.

WAS

Syringe

OVERRIDE Injection! EXIT

the

syringe

thermistor

error.

continue,

also

Fault

PRESSURE

Volume!

to

inject

to

continue.

in

place.

κο

tracking

press

override.

press

override.

Message # 23)

LIMITED

available

ὕὕ-μμ------

....

μμ...

error.

See

manual

See

manual

.…………………………….

.....................4=1

volume.

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

for

further

for

further

coonciooaicnionarrreconsorogsonasaeserasorosanincosooacnosesoncrsecanns

++

001

did not

relay

relay

relay

turn

relay

would

relay

would

would

would

turned

On

not

not

on

not

turn

not

turn

turn

turn

with

off

ON

off

on...

no

failsafe

aa

........eeeensessietass

и

илилиииаиилиния

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

#010

stop

turned

off

with

no

failsafe...........................

rsrree

4-1

4-2

4-2

4-2

4-2

4-3

4-3

4-4

4-4

4-5

4-5

4-5

45

4-6

4-6

800951

March

1993

vii

CT

9000

Digital

Injection

System

Fault

#011

PWM

Fault

PWM

D/A

#012

D/A

conflicts

conflicts

with

with

A/D

A/D

(5V)

………………………

(2.5V)

.……………………

4-6

4-6

Fault # 013

PWM

D/A

conflicts

with

A/D

(0V)

ии...

4-7

Fault & 014

PWM

stop

would

not

turn

off

eee

eeeoena

4-7

Fault # 015

PWM

stop

would

not

turn

on............

aa

4-7

Fault # 016

Positionisnotcalibrated..............................................

Fault

#017

Lost

power

Fault # 018

Lostconsolecommunications.......................................

Fault

#019

Flow

Fault # 020

Motor

Fault # 022

Heater

Fault # 023

Overheating

Fault # 024

Power

head

communications

Tate

ETTOT

moving

wrong

thermnistor

@ITOr

head

communication

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

direction

rracking

error.……………………………………

β᾿᾿ϱ᾿ϱ”-ϱ-.---

error

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

esser

tr

serne

rrre

er

4-7

4-8

4-8

nere

4-8

4-8

4-9

4-9

4-9

Fault # 025

Power

head

flow

rate

error…………………………………………

4-9

Fault # 026

Ram

pastiextend

Fault # 027

Ram

pastretract

mit

егтог

Hümik

error

screens

ai.

söken

4-9

sen,

4-10

Fault # 028

Unknown

power

head

fault

…

せ

……………………….

4-10

Fault # 029

Pressureisnotcalibrated............................................

Fault # 030

Illegal

Fault

Bad

Fault # 032

No

state

#031

power

power

transition

head

communications

head

detected

ungernes

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

………………………………………

4-10

4-10

4-10

4-11

Fault # 033

Bad

EEPROM

detected

on

CPU

Board

느니.

4-11

Fault # 035

o

A

4-11

viii

Re-assemby

Fault # 036

RAM

test

failed),

reneste

vre

4-11

Fault # 037

ROM

testfalled............

rien

4-11

Fault # 038

No

&ncoder

counts

detected

ss.

4-12

Fault # 039

Linear

Fault

Overvolume

pot.

#041

racking

error

detected

errOr

.…………………………………………………

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

4-12

4-12

Fault # 042

Consolekeyclosedonpowerup.................................

4-12

Fault # 043

‘of

the

Power

head

Powerhead

key

sets

closed

on

powerup............................

4-12 4-13

CHAPTER

A

Placing

AN Pressure

Pressure

CHAPTER

Qualifications Maintenance

Leakage

Exterior

Powerhead/Pressure Keyboard

Electronics

Flow Cleaning

Созютег

Unit

With

Rate

Pressure

Control

Power

5

Hee

sesimisese

in

Calibration

AAPP

Calibration

125

ml

Calibration

.........

Schedule

and

Ground

of

Components

Console...

Cabinet

Check...

the'Ubit.........

Pack

пе

For

Compensation

For

6

Continuity

Jacket

een

Sleeve

Console

ο.

νεώτερα

асе

μπω

CALIBRATION

venler

arsrirsuserreseğeşosussesssise

Mode

200

ml

125

Syringe

зы

оон

ml

Syringe Use

Use

MAINTENANCE

Checks

ess

...

|

csi

and

Plate..........................

...........

ο

νενεοεξ

sessösssleinisenvosaass

Only

ο

μμ

sins

6-6

6-6

800951

March

1993

ix

LF

1

SYSTEM

OVERVIEW

800951

March

1993

Liebel-Flarsheim

The

CT

9000

Injector

a

patient's

computed

driven

volume,

vascular

tomography

syringe

and

timing.

mechanism

is

designed

system

(CT).

Figure

CT

9000

to

inject a radiopaque

which

with

enhances

Each

injection

microprocessor

1-1

Digital

Injection

diagnostic

is

accomplished

control

System

contrast

images

obtained

with a motor-

of

the

flow

medium

with

rate,

into

CT

9000

Digital

injection

System

This

manual

Injectors,

the

unit,

refer

For

provides

further

to

service

information

the

CT

and

9000

Operator's

calibration

about

procedures

operating

Manual.

and

for

the

daily

maintenance

CT

9000

of

SERVICE

TECHNICIAN

SPECIFICATIONS

QUALIFICATION

The

CT

9000

Digital

ONLY

Failure

technician.

Dimensions

by

qualified

+

are

completely

+

have

read

*

are

properly

to

follow

Control

Powerhead

Power

(i.e.,

Console

Pack

Electronics

these

Injection

personnel

familiar

and

understood

trained

guidelines

Cabinet)

System

who:

with

this

in

servicing

could

should

the

unit

manual

equipment

result

12 W x

(30 W x

3.5 W x (9Wx41Dx

12

Wx

(30.5 W x

be

serviced

and

in

serious

8.4 D x

21 D x

16

14D x 6.5 H inches

35.5 D x

and

the

Operator's

of

this

injury

4.2 H inches

10.4 H cm)

Dx

6H

inches

16Hcm)

calibrated

type.

16.5 H cm)

to

Manual

the

service

Weight

Standard

Control Powerhead Power

Power

Pack

Requirements

Standby

Standard

Voltage

Electrical

Requirements

Unit

automatically

Leakage

Chassis

System,

Console

complete

adapts

for

38

7

18

13

less

115

230

input

voltages

less

Ibs

(17.2

Ibs

(3.2

kg)

Ibs

(8.1

Ibs

(5.9

than 1 A VAC, 3 A, VAC,

than

100

kg)

kg) kg)

50/60

1.5

A,

50/60

from

100

microamps

Hz

Hz

to

240VAC.

800951

March

1993

Environmental

CAUTION!

The

CT

9000

is

spill,

remove

personnel.

DANGER! Possible The

unit

the

explosion

is

not

WARNING!

The

powerhead

gauss

limit.

Operating

limit

may

cause

Syringes

not

water

unit

from

hazard

designed

may

the

for

only

the

unit

proof.

be

to

If

any

operation

if

used

in

use

in

explosive

operated

unit

within

malfunction,

part

of

and

contact

the

presence

in

an

area

magnetic

resulting

the

unit

is

subjected

your

authorized

of

flammable

environments.

that

is

located

fields

that

are

in

operator

to a

liquid

service

anesthetics.

beyond

higher

or

patient

the

than

injury.

20

this

Syringe

Fill

Rate

Forward within verse]

Syringe

Sizes

or

reverse:

approximately 3 seconds

key

in

Heater

98° + 6° F (37° + 3°

heated

Flow

200

125

Pressure

Pressure

contrast.

Rate

Parameters

ml

Syringe

ml

Syringe

Limit

Units

Range

Inject

Delay

30-100

conjunction

C)

nominal.

Overtemp

200

sec.

Accelerates after

with

one

Maintains

condition

0.1—7.2

0.1 一 4.9

pounds

25,

ml,

125

from

pressing

of

the

[Fast]

the

will

occur

ml/s ml/s

per

square

50—300 ( in

ml

(pre-filled)

zero

to

maximum

the

[Forward]

keys.

temperature

at

107.6° F (42°

inch

(psi)

50

psi

increments)

or

of

[Re-

pre-

C).

800951-A

April

1993

Inject

Delay

Scan Delay

Scan

Delay

Stored

Protocols

12

protocols

Parameters

Parameters

can

be

stored

and

recalled.

0—255

0—99

sec

sec

2

INSTALLATION

UNPACKING

INSTALLATION

AND

ASSEMBLY

PROCEDURE

PROCEDURES

When

receiving

ment

for

signs accept receipt notify

Store storage

temperature

When parts.

Refer

the

or

the

the

area

unpacking

Don't

to

the

@

After

component's

shipment bill. shipping

equipment

should

extremes.

drop

Checklist

the

CT

9000

of

damage.

until

If

equipment

agent

in

the

be

clean

the

CT

9000,

subject

or

it

included

unpacking,

identify

Serial

Digital

If

any

of

the

freight

is

later

within

15

shipping

and

dry

remember

to

it

in

Number

Injection

the

items

or

express

discovered

days

after

cartons

and

should

that

mechanical

other

the

front

of

these

parts

in

the

Installation

system,

are

damaged

agent

to

be

damaged

receiving

until

ready

not

subject

it

contains

shocks.

this

manual.

of

the

system

first

check

or

missing,

notes

the

problem

or

missing,

the

items.

for

installation.

the

equipment

fragile

electronic

and rcord

Checklist:

the

equip-

don't

on

The

to

each

the

O

Inspect

Check Check

©

Check Check protruding

Console

ロロ

Power

Powerhead

ロロ

Printer

Console

ロロ

Powerhead Power

ロロ

Ordered

the

the

the

Inspect

the

the

the

pack

(Electronics

and

its

associated

to

Power

to

Power

Cord

Accessories

exterior

Console Console

exterior

Power connectors

of

Cable case

of

pack

located

the

the

cabinet

pins.

Cabinet)

hardware

pack

cable

pack

Console:

connector

for

dents

or

Power

for

on

pack:

the

cable

for

cracks

other

dents

or

rear

(optional)

or

bent

external

damage.

scratches.

of

the

cabinet

pins.

for

cracks

or

800951

March

1993

2-1

CT

9000

Digital

Injection

System

O

Inspect

Check

Check cracks

@ _ Inspect

Check

Check

O

Inspect

@

Mounting

type

of

accompanies

desired

©

Power

cabling.

generation

Electronics

Cabinet

the

exterior

the

cable

the

Heater

or

bent

the

Console

each

cable

the

Power

each

Accessory

the

accessories

the

configuration.

must

be

Connecting

of

false

of

for

nicks

connector

pins.

cable,

for

nicks

Cord

Powerhead,

ordered.

accessories

off

before

cables

error

the

Powerhead:

or

impairment

and

the

the

Powerhead

or

impairment

for

nicks

or

to

ensure

Power

connecting

messages.

there

Refer

order

in

after

the

due

Powerhead

cable

due

impairment

are

no

pack

and

to

the

Installation

mount

to

or

disconnecting

Unit

is

System

to

crimping.

Cable

connector

and

the

Power

to

crimping.

due

to

crimping.

dents

or

scratches.

Console

powered

connections

will

Instructions

components

the

the

may

depend

are

for

Cord.

on

that

your

to

system's

cause

as

follows:

the

=

'<Y

°D

Remote

An

remote

Printer

An printer.

Primary

A

Console.

Secondary A

from

Powerhead

A powerhead.

Handswitch

8-pin

circular

handswitch.

Connection

8-pin

circular

Console

15-pin

second

25-pin

D-shell

an

optional

D-shell

Console

15-pin

Connection

Connection

DIN

connection

mini-DIN

connection

D-shell

second

connection

connection

sends

connection

Console.

sends

allows

allows

and

receives

sends

and

receives

for

interfacing

for

interfacing

information

and

receives

information

with

an

optional

with

an

to

and

from

information

to

and

to

from

optional

the

and

the

800951

March

1993

LF

Power

The

connection.

60 voltage

CAUTION! Use

nection.

Units

Powerhead Heater

A 4-pin receives

Electronics A

receives

Console

Cord

supplied

Hz)

without

during

only

the

Use

installed

Blanket

connection,

information

25-pin

connection,

information

The

Cabinet

Connection

power

supplied

of

cord

unit

can

modification.

power-up

power

other

power

outside

Connection

of

located

to

and

Connection

located

to

and

connects

accept

sequences.

the

on

from

from

either

The

cord

cords

U.S.

the

the

on

the

the

to

unit

to

could

must

bottom

bottom

the

Electronics

115

VAC

(50/60

will

automatically

connect

Heater

Electronics

result

use

hospital

of

Blanket.

of

power

in

the

Powerhead,

the

Cabinet.

Cabinet

Hz)

sense

to

the

Power

damage

Powerhead,

to

approved

at

the

power

or

220

VAC

the

input

Cord

the

equipment.

power

sends

sends

(50/

Con-

cords.

and

and

Electronics

A

15-pin

information

Cabinet

connection,

to

Install of

the

Manual,

@

Perform

requirements section.

Connection

located

from

and

the

Pressure

Pressure

Plate

P/N

800950.

the

Preventive

for

on

the

Electronics

the

Plate

Assembly.

Assembly

Maintenance

these

tests

rear

Cabinet.

are

are

passed,

of

the

console,

Instructions

contained

Checks

then

proceed

sends

covering

in

the

Operator's

listed

in

to

and

receives

installation

Chapter

the

6.

next

If

all

800951

March

1998

2-3

CT

9000

Digital

Injection

System

TURN

ON

THE

CT

9000

Tum the

the

the

will

the

unit

on

by

cabinet

the

of

rear

left-hand

upper

be

[T

side

of

right-hand

displayed.

LE

Press

to

set

presaure

first

toggling

and

the

console.

corner

CT

limit,

time,

Press

then

of

9000

date,

to

display

the

Power

pushing

The

LED

the

console

language

and

important

Figure

Start-up

pack's

Console

the

located

will

glow

registration

safety

name.

information.

2-1

Menu

Power

power

on

the

and

>

>

Switch

switch

Power

the

Start-up

=

Setup

Safety

located

located

pack

and

Menu

]

|

A

on

on on

RECORD

ENTER

LANGUAGE

2-4

THE

THE

VERSION

PRESSURE

AND

REGISTRATION

LEVEL

Press

the

[Safety]

level

of

each

LIMIT,

Press

the

[Setup]

Language

contained

and

in

key,

then

component

TIME,

key

Registration

the

Operator's

in

DATE,

NAME

and

the

[Version]

the

Installation

enter

the

required

Name.

Manual,

Instructions

P/N

key.

Record

Checklist.

Pressure

on

entering

800950.

the

firmware

Press

the

Limit,

Time,

these

version

[Exit]

Date,

items

800951

key.

are

March

1993

LF

OVERALL

SYSTEM

THEORY

This

section diagrams descriptions,

The

overall

we

list

The

remainder

we'll

describe

describe

As

shown

nents: contains circuitry.

sor.

The

cessor

describes

and

complete

and

system

the

major

of

its

how

the

in

Figure

the

power

the

main

The

console

powerhead

circuit.

for

circuit

this

major

circuit

pack,

microprocessor,

the

design

circuit

reference

is

covered

groups,

section

functions,

works.

3-1,

the

CT

the

powerhead

contains

contains

OF

schematics during

first,

summarizing

details

9000

the

heater

OPERATION

of

the

CT

troubleshooting.

describing

the

summarize

system

and

the

system

LCD

blanket

9000

are

included

the

their

circuit

groups.

its

consists

the

console.

power

display

control

and

how

it

works.

to

supplement

main

design

functions.

For

each

inputs

controller

and

outputs,

of

three

The

power

supplies

and a microproces-

circuitry,

Block

the

features.

circuit

basic

and

the

and a micropro-

Then

group

and

compo-

pack

servo

The

CT

and

pressure.

9000

is

designed

CONSOLE

(ELECTRONICS

to

control

CABINET)

Figure

Complete

three

main

3-1

CT

9000

parameters:

POWERHEAD

System

velocity,

volume

800951

March

1993

3-1

CT

9000

Digital

Injection

System

VELOCITY

VOLUME

PRESSURE

CONTROL

CONTROL

CONTROL

The main

voltage flyback

to

the ture The

the accordingly. motor

head

microprocessor

is

input

toa

regulator.

motor. signal main

motor

As

to

the

microprocessor

encoder,

The

to a calculated

microprocessor

motor.

The

plungers

tached read

microprocessor

to

and

position potentiometer

from

the

potentiometer.

A

hardware

current

limit

threshold

sure

falls

absolute

the

ball

an

absolute

counts

approaches

is

motor

encoder

circuit

is

compared

is

below

writes a 12-bit

PWM

The

the

main

to

(Pulse

Flyback

motor

turns,

microprocessor

compares

the

desired

powerhead

velocity

will

notify

position

screw.

When

position

the

pulses

the

calculated

monitored

during

correlate

provides

the

against a preset

reached

the

the

preset

pressure

word

toa

Width

regulator

an

velocity

microprocessor

range.

the

is

determined

the

is

calculated.

from

with

primary

circuit

Modulator)

generates a voltage

encoder

the

on

and

the

powerhead

velocity

and

adjusts

compares

If

the

velocity

main

microprocessor

by a linear

motor

is

halted

For

the

motor

position,

volume

pressure

will

limit

the

delivery

the

motion

pressure

limit

halt

the

threshold.

D/A.

The

circuit

the

motor

of

the

motor,

the

D/A

the

is

out

potentiometer

the

linear

accurate

encoder.

brake

volume

circuit

to

ensure

detected

limiting

threshold.

servo

until

resulting

that

controls

which

provides a quadra-

microprocessor.

as

output

velocity

of

range

and

then

potentiometer

As

the

is

applied.

that

by

the

control.

If

the

the

sensed

output

a

is

applied

derived

from

voltage

of

the

the

power-

stop

the

at-

is

delivery,

actual

the

The

the

pulses

linear

Motor

pressure

pres-

Secondary

the

motor

board.

The

limit.

pressure

current.

flow

limit

The

rate

control

motor

is

restricted

current

is

provided

is

if

the

actual

through

monitored

by

pressure

software

the

A/D

exceeds

monitoring

on

the

CPU

the

preset

of

3-2

800951

March

1993

LE

POWER

PACK

OVERVIEW

The

POWER BOARD.

power

INPUT,

E

pack

consists

second

Figure

3-2

RS +

| i

1

i ，

i

ババ

ーー

f

1 '

i

'

|

т i

1 1 1

1 ご ここ

ニニ

of

three

major

is

the

MOTHERBOARD

below

shows a block

MAIN

POWER

m

INPUT

ニニ

ーー

ニー

ニー

ニニ

ニニ

ニニ

Figure

Power

functional

diagram

a

ーー

ニニ

ニー ニー

3-2

Pack

Overview

sections.

and

of

M

i =

R

BOARD

8

A

ㅁ

D

ニー

ニー

ニーー ニ ーー ニニ

third

these

CPU

ニー

First

is

is

the

CPU

sections.

отр

фан

ニー

ニニ

ーー こ ーー4

the

MAIN

1 I

i i

1

i

1

1

1

i

1

MAIN

POWER

INPUT

The

line

voltage shown throw The frame. The power transformer’s complete

in

Figure

circuit

chassis

ground

The

filtered

breaker.

VOLTAGE

transformer,

primary

description

enters

the

3-3,

the

The

of

the

line

SELECT

senses

winding

of

Power

power

inlet

circuit

power

voltage

inlet

is

board,

the

line

so

this

boards

Pack

through

is

wired

breaker

input

which

voltage

that

output

and

the

to

the

is

actually

and

the

secondary

operation

an

IEC

320

to a 3

amp,

is

connected

line

filter

are

VOLTAGE

mounted

configures

output

is

given

below.

power

double

pole,

to a line

connected

SELECT

on

the

the

main

is

24VAC.

inlet.

As

double

filter.

to

the

board.

main

power

A

800951

March

1993

CT

9000

a

Digital

4 i

1 1

1

i

i

;

1 A 7 1

i

,

'

|

1

Injection

^

XU

=

System

LINE

FILTER

m

¡

VOLTAGE

|

1 |

i

o

!

em

SELECT

45

A

A

BOARD

AS

|

|

| i

|

1

1 1

| |

和

VOLTAGE

SENSE

Figure

Main

Power

3-3

Input

RELAY | !

GONTROL|

!

1

|

ny

!

|

|

а

7

12

УАС

1

12VAC

оф

VOLTAGE

BOARD

SELECT

As

mentioned

sensing

mary

winding.

keep

the

transient

The

bridge

base

drive

with

the

The

MC34064

SET

pin

systems.

low,

which

When high.

configures

approximately

resistor

for

transformer's

the

RESET’s

R4

220V,

above,

the

line

voltage

The circuit’s voltages

rectifier—BR1,

for

transistor

input

AC

under-voltage

is

an

output,

When

the

sets

up

input

voltage

going

the

transformer’s

155V.

adds

the

line

primary

the

VOLTAGE

and

configuring

sensing

input

from

voltage.

not

rectified

R3

hysteresis

voltage

circuit

at

LISVAC.

tripping

R2,

Q2.

The

an

input;

line

and

R4

goes

above

high

turns

primary

To

prevent

to

must

will

be

SELECT

the

main

samples

Resistor

the

circuit.

DZ1

and

dc

voltage

sensor,

the

voltage

as a voltage

4.6V,

on

Q2,

for

relay

U1’s

operation.

fall

to

re-configured

the

R1,

C2—powers

from

Ul,

trips

chip’s

approximately

intended

is

below

divider.

U1

trips,

which

220V.

K1

from

to

board

is

responsible

power

transformer’s

and

the

at

4.6V.

energizes

This

oscillating

Once

115V.

transformer’ s pri-

varistor

the

circuit

bridge

U1’s

setting

trip

the

75V

rectifier

Note

that

function

trip

point,

the

relay

point

or

primary

before

for

center

tap

to

MOVI

is

RESET

K1.

will

“hunting,”

prevent

and

provides

varies

U1's

RE-

resetting

RESET

output

Kl

re-

occur

is

configured

the

UP

is

at

3-4

Relay

around

through

K1

the

K1

cannot

handle

switching

to

10

ma.

the

point.

large

transient

Transistor

Q]

voltages

and

that

resistor

sometimes

R7

limit

current

800951

occur

March

1993

MOTHERBOARD

The

MOTHERBOARD

which

will

®

Power

+

Powerhead

+

Servo

+

Auxiliary

«

Handswitch

*

Status

+

Console

be

discussed

Supplies

I/O

LED's

Connectors

consists

in

greater

Interface

Interface

Interface

of

the

detail

following

in

the

major

following

LF

components,

sections:

each

of

Power

The on/off,

Remote

The of

24VAC The the

and remote +5V

The

Output

establishing a voltage level forced switch

high

will

Supplies

power

+3.5V

On/Off

main

power

the

24VAC

goes

solid

state

24VAC

+12V

on/off

and

+12V

Power

(/PSO,

at

all

low

on

level

tristate

supply

section

supply,

transformer

goes

directly

through a solid

relay

is

is

not

applied

supplies

are

function,

supplies

Supply

times

by

a

console,

turns

PSO

Control

U17

pin

by

the

the

motherboard

PSO

on

the

to

shut

+5V

on

consists

supply

to a diode

controlled

to

off.

However,

so

the

are

off.

Input

16)

ate

VCC

+3.5V

of

and

supplies

state

relay,

by

both

sides

+3.5V

(/PSI,

used

(U17

supply

reset

is

connected

solid

state

relay. A subsequent

off

the

solid

four

major

+12V

24VAC

bridge,

SSR1,

U17.

When

of

the

U17

requires

supply

to

pin

on

switch,

state

is

U17

pin

control

3),

PSI

VBAT

SW1,

to

VBAT

relay.

functional

supply.

to

the

motherboard.

BR1.

The

and

then

the

bridge

and,

power

used

to

8)

and

the

solid

is

internally

(U17

or

to

provide

sections:

other

to

the

solid

state

therefore,

to

operate

power

U17

Power

state

relay.

held

pin

1).

by

the

momentary

a

high

falling

edge

Remote

One

side

of

diode

relay

the

while

Supply

Prior

at a high

When

/PST

level.

on

side

the

bridge.

is

off,

+5V

the

the

Control

to

is

This

/PSI

800951

March

1993

Relay

K3

is

used

on.

This,

along

with

related

Opto-isolator motherboard

U18

attached.

+35V The

It

problems.

to

prevent

Supply

+3.5V

also

powers

U18

switch,

it

supply

the

to

isolate

is

from

is

LED

+5V

a

filter

formed

used

to

SW1.

Capacitor

inadvertently

used

to

located

from

U17

by

L3

interface

/PSI

C8

turning

supply

on

power

the

front

pin

3

and

C34,

to

the

is

placed

on

to

U17

of

the

until

the

helps

console

across

when

a

when

Power

solid

state

to

eliminate

switches

the

LED

long

console

the

+5V

Pack.

relay

noise

and

the

side

of

cable

supply

is

turns

is

off.

3-5

CT

9000

Digital

Injection

System

The

adjustable

and

(D3

voltage.

tap

1/4

of

VR3’s

regulator

BR1)

VR3

filtering

and

output

is

supplied

(C9)

voltage

is

the

as

set

+14V

unregulated

transformer

main

follows:

DC

by

rectifying

secondary

center

Vout = 1.25V (1+

This

+4V

is

dropped

U17

pin

1.

+5V

Supply

The

+5V

supply

the

CPU

board.

capable

At impressing a voltage inductor

VR2 interval

of

intervals

while

determines

to

disconnected, the

voltage

inductor.

voltage will

runs

This

polarity

flow

from

out

of

is

used

The

sourcing

of

keep

across

up

approximately

also

supplying

when

the

output

the

magnetic

the

current

across

the

inductor

energy.

R13/R14) = 1.25V(1 + 1500/680) = 4V

to

approximately

3.5V

by

D13

before

:

to

power

+5V

regulator

to

5A

across

to

disconnect

voltage

inductor

in

the

the

inductor)

the

is a

of

output

101s

(100kHz)

inductor

current

at

field

in

the

changes

inductor

until

the

MOTHERBOARD

step

down

current.

VR2

L2.

This

causes

to