background image

EVA

 

Manual

 

22

 

118144

001

  

REV.

 

A

 

RMT

 

CNTRL

:

  

Indicates

 

that

 

the

 

programming

 

of

 

the

 

unit

 

is

 

being

 

accomplished

 

by

 

either

 

the

 

Ethernet

 

or

 

RS

232

 

digital

 

interface.

 

This

 

feature

 

is

 

selectable

 

via

 

the

 

rear

 

panel

 

DIP

 

switch,

 

switch

 

position

 

1.

 

See

 

the

 

section

 

on

 

Configuration

 

for

 

more

 

details.

  

FIL

 

LIMIT

:

  

Indicates

 

that

 

the

 

beam

 

controller

 

is

 

limiting

 

the

 

filament

 

current

 

at

 

the

 

programmed

 

Filament

 

Current

 

Limit

 

level.

  

OVER

 

mA

:

  

Indicates

 

the

 

emission

 

(beam)

 

current

 

has

 

been

 

actively

 

limited

 

to

 

105%

 

of

 

maximum

 

rated

 

current

 

(as

 

per

 

an

 

internal

 

printed

 

circuit

 

board

 

potentiometer

 

setting).

 

FAULT

 

1

:

  

Not

 

allocated.

 

RGLT

 

ERR

:

  

Indicates

 

a

 

failure

 

in

 

the

 

beam

 

controllers

 

regulation

 

circuitry.

  

This

 

fault

 

usually

 

occurs

 

when

 

there

 

is

 

a

 

lack

 

of

 

output

 

power

 

to

 

maintain

 

proper

 

output

 

regulation.

 

Possible

 

causes

 

could

 

be

 

due

 

to

 

low

 

AC

 

input

 

voltage

 

(below

 

low

 

line

 

parameters)

 

or

 

a

 

malfunction

 

of

 

the

 

power

 

supply

 

preventing

 

it

 

from

 

generating

 

the

 

voltage/current

 

being

 

requested.

  

FAULT

 

2

:

  

Not

 

allocated.

  

OVER

 

TEMP

:

  

Indicates

 

that

 

excessive

 

temperature

 

has

 

been

 

sensed

 

within

 

the

 

chassis

 

and

 

internal

 

protection

 

circuitry

 

has

 

shut

 

down

 

the

 

beam

 

controller.

 

6.5

 

Options

 

HPF

 

 

High

 

Power

 

Filament

 

This

 

option

 

provides

 

a

 

50

 

amp

 

filament

 

capable

 

beam

 

controller

 

and

 

gun

 

output

 

box.

  

BEAM

 

CONTROLLER

 

INSPECTION,

 

INSTALLATION

 

AND

 

CONFIGURATION

 

Initial

 

inspection

 

and

 

preliminary

 

checkout

 

procedures

 

are

 

recommended.

  

For

 

safe

 

operation,

 

please

 

follow

 

the

 

step

by

step

 

procedures

 

described

 

in

 

section

 

6.10,

 

Operating

 

Instructions.

 

6.6

 

Initial

 

Inspection

 

Inspect

 

the

 

package

 

exterior

 

for

 

evidence

 

of

 

damage

 

due

 

to

 

handling

 

in

 

transit.

 

Notify

 

the

 

carrier

 

and

 

Spellman

 

immediately

 

if

 

damage

 

is

 

evident.

 

Do

 

not

 

destroy

 

or

 

discard

 

any

 

of

 

the

 

packing

 

material

 

used

 

in

 

a

 

damaged

 

shipment.

  

After

 

unpacking,

 

inspect

 

the

 

panel,

 

chassis,

 

gun

 

output

 

box

 

and

 

cables

 

for

 

visible

 

damage.

 

Standard

 

Spellman

 

EVA

 

beam

 

controllers

 

are

 

covered

 

by

 

a

 

warranty.

 

Custom

 

and

 

special

 

order

 

models

 

(with

 

a

 

unique

 

4

 

digit

 

X

 

suffix

 

in

 

the

 

model

 

number)

 

are

 

also

 

covered

 

by

 

a

 

warranty.

 

Check

 

the

 

specific

 

warranty

 

terms

 

by

 

referring

 

to

 

the

 

Warranty

 

document

 

contained

 

in

 

this

 

operator’s

 

manual.

 

6.7

 

Input

 

Requirements

 

Each

 

beam

 

controller

 

chassis

 

operates

 

from

 

180

264Vac,

 

50/60Hz,

 

single

 

phase,

 

7.5

 

amps

 

maximum

 

(10

 

amps

 

maximum

 

for

 

HPF

 

Option

 ‐ 

50

 

amp

 

units).

  

Beam

 

controller

 

chassis

 

have

 

front

 

panel

 

holes

 

for

 

standard

 

EIA

 

rack

 

mounting.

  

The

 

rack

 

must

 

allow

 

rear

 

mechanical

 

installation

 

access

 

for

 

cable

 

connections.

 

Units

 

are

 

fully

 

enclosed

 

and

 

are

 

suitable

 

for

 

bench

 

or

 

tabletop

 

operation.

  

It

 

is

 

strongly

 

recommended

 

to

 

support

 

the

 

chassis

 

by

 

guides

 

or

 

shelves.

   

6.8

 

Airflow

 

Requirements

 

Beam

 

controllers

 

are

 

forced

 

air

 

cooled,

 

air

 

enters

 

the

 

chassis

 

via

 

openings

 

on

 

the

 

right

 

and

 

left

 

side

 

panels

 

and

 

air

 

is

 

forcibly

 

exhausted

 

out

 

the

 

rear

 

panel

 

via

 

a

 

single

 

fan.

 

Whatever

 

mechanical

 

installation

 

is

 

implemented

 

airflow

 

into

 

and

 

out

 

of

 

the

 

unit

 

must

 

not

 

be

 

compromised.

 

Additionally

 

it

 

is

 

the

 

responsibility

 

of

 

the

 

user

 

to

 

assure

 

that

 

air

 

entering

 

the

 

unit

 

is

 

not

 

above

 

the

 

maximum

 

ambient

 

temperature

 

of

 

40°C.

  

Airflow

 

volume

 

is

 

25cfm.

 

6.9

 

Configuration

 

Multiple

 

beam

 

control

 

units

 

can

 

be

 

provided,

 

allowing

 

1,

 

2

 

or

 

3

 

separate

 

electron

 

guns

 

to

 

be

 

independently

 

operated.

 

A

 

rear

 

panel

 

accessible

 

DIP

 

switch

 

configures

 

each

 

chassis

 

for

 

use

 

in

 

single

 

channel

 

or

 

multi

channel

 

applications.

 

If

 

a

 

complete

 

system

 

is

 

ordered

 

from

 

the

 

factory,

 

this

 

configuration

 

setting

 

will

 

already

 

be

 

done.

  

If

 

you

 

are

 

reconfiguring

 

an

 

existing

 

system,

 

or

 

adding

 

a

 

beam

 

control

 

unit

 

in

 

the

 

field

 

the

 

details

 

of

 

the

 

configuration

 

process

 

are

 

outlined

 

below.

 

Summary of Contents for EVA SERIES

Page 1: ...n Manual High Voltage Power Supply MODEL SERIAL DATE SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION 475 Wireless Blvd Hauppauge New York 11788 1 631 630 3000 FAX 1 631 435 1620 E mail sales spellmanhv com Website www spellmanhv com EVA SERIES ...

Page 2: ...64Vac 50 60Hz three phase 90 efficiency 0 85 power factor Option 1PH 180 264Vac 50 60Hz single phase 90 efficiency 0 65 power factor 3kW 6kW only Option 400VAC 360 528Vac 50 60Hz three phase 90 efficiency 0 85 power factor 12kW only Input Current Option 3PH 180 264Vac 50 60Hz three phase 3kW 13 amps maximum 6kW 25 amps maximum 12kW 50 amps maximum Option 1PH 180 264Vac 50 60Hz single phase 3kW 29 ...

Page 3: ...0 82kg Regulatory Approvals 2004 108 EC the EMC Directive and 2006 95 EC the Low Voltage Directive approval pending SPELLMAN HIGH VOLTAGE ELECTRONICS CORPORATION 3 6 12kW EVAP POWER SUPPLY EVA Optional Beam Controller Filament Power Supply and Gun Output Box Multiple beam control units can be provided allowing 1 2 or 3 separate electron guns to be independently operated Each beam control unit cons...

Page 4: ...gle phase EVA10N6 3PH 6 kilowatt unit three phase EVA10N12 400VAC 12 kilowatt unit 360 528Vac Note Input voltage must be specified at time of order EVA model number must contain input voltage option code to be valid Sample Options EVA10N6 1PH HV2 Single Phase Input 2 HV Connectors EVA10N12 400VAC FIL3 360 528Vac Input 3 Gun Supplies EVA HIGH VOLTAGE POWER SUPPLY 3U OR 6U RACK MOUNT CHASSIS BEAM CO...

Page 5: ...n Collector Low Active 33 RGLT Error Fault Open Collector Low Active 34 Arc Open Collector Low Active 35 Over Temp Fault Open Collector Low Active 36 AC Fault Open Collector Low Active 37 Spare 38 Spare 39 Spare 40 Spare 41 Spare 42 Remote Power Program Input 0 10Vdc 0 100 rated output Zin 10MΩ 43 Local Power Program Output 0 10Vdc 0 100 rated output internal pot 44 5Vdc Output 5Vdc 100mA maximum ...

Page 6: ...ROL POWER CONTROL HV INHIBIT INTLK CLOSED INTLK OPEN SYSTEM FAULT EVA High Voltage Power Supply ON FRONT VIEW TOP VIEW 266 6 76 4PL 2 250 57 15 2PL 1 485 37 72 2PL 5 219 132 56 18 250 463 55 375 9 53 19 000 482 60 20 950 532 13 BACK VIEW DIMENSIONS in mm 3U 6kW Power Supply Corporate Headquarters Hauppauge New York USA 1 631 630 3000 FAX 1 631 435 1620 e mail sales spellmanhv com www spellmanhv co...

Page 7: ...KEEP FAN AND VENT HOLES CLEAR JB1 J2 J3 HV OUTPUT DANGER LINE INPUT 16 870 428 50 FRONT VIEW TOP VIEW 266 6 76 4PL 2 250 57 15 10 469 265 91 2PL 1 484 37 69 2PL 5 250 133 35 2PL 18 250 463 55 375 9 53 19 000 482 60 20 950 532 13 BACK VIEW JB3 CONTROL I O BEAM E1 J1 DANGER WARNING DIMENSIONS in mm 6U 12kW Power Supply Corporate Headquarters Hauppauge New York USA 1 631 630 3000 FAX 1 631 435 1620 e...

Page 8: ... VIEW BACK VIEW EVA Beam Control Filament A GUN 1 GUN 2 GUN 3 INTLK CLSD INTLK OPEN FLMT CNTRL FIL LIMIT OVER MA FAULT 3 RGLT ERR FAULT 2 OVER TEMP Filament Lmit Emission Current mA BEAM ON BEAM OFF 19 00 482 60 0 38 9 53 4 PLS 18 31 465 14 0 34 8 73 5 00 127 00 1 00 25 40 0 50 12 70 9 00 228 60 8 32 x 28 DEEP BLIND THREADED INSERT 4 PLS 4 06 103 17 6 00 152 40 FRONT VIEW TOP VIEW BACK VIEW DIMENS...

Page 9: ... aware of the electrical hazards WARNING note in the text call attention to hazards in operation of these units that could lead to possible injury or death CAUTION notes in the text indicate procedures to be followed to avoid possible damage to equipment Copyright 2000 Spellman High Voltage Electronics Corporation All Rights Reserved This information contained in this publication is derived in par...

Page 10: ...spannungsnetzteiles benötigen ca 5 Minuten um sich zu entladen Erden Sie sich nicht und arbeiten Sie nicht in feuchter oder nasser Umgebung Notwendige Reparaturen können es erforderlich machen den Gehäusedeckel während des Betriebes zu entfernen Reparaturen dürfen nur von qualifiziertem eingewiesenem Personal ausgeführt werden WARNING im folgenden Text weist auf gefährliche Operationen hin die zu ...

Page 11: ...de l alimentation Ne vous mettez pas à la masse ou ne travaillez pas sous conditions mouillées ou humides La maintenance peut nécessiter l enlèvement du couvercle lorsque l alimentation est encore allumée Les réparations doivent être effectuées par une personne qualifiée et connaissant les risques électriques Dans le manuel les notes marquées WARNING attire l attention sur les risques lors de la m...

Page 12: ...carica della capacità interna dell alimentatore ad alta tensione Non mettere a terra il proprio corpo oppure operare in ambienti bagnati o saturi d umidità SICUREZZA NELLA MANUTENZIONE Manutenzione potrebbe essere richiesta rimuovendo la copertura con apparecchio acceso La manutenzione deve essere svolta da personale qualificato coscio dei rischi elettrici Attenzione alle AVVERTENZE contenute nel ...

Page 13: ...VOLTAGE ASSEMBLY 18 4 5 SYSTEM CONTROL PWB 18 4 6 FRONT PANEL ASSEMBLY 18 EVA HIGH VOLTAGE POWER SUPPLY INPUT VOLTAGE OPTIONS 19 5 1 180 264VAC 3Ø INPUT 3PH 19 5 2 180 264VAC 1Ø INPUT 1PH 19 5 3 360 528VAC INPUT 400VAC 19 5 4 HIGH VOLTAGE CABLE LENGTH LL X 19 5 5 TWO HIGH VOLTAGE CONNECTERS HV2 19 5 6 THREE HIGH VOLTAGE CONNECTERS HV3 19 5 7 FILAMENT GUN SUPPLY 1 CHANNEL FIL1 19 5 8 FILAMENT GUN S...

Page 14: ...ONITOR TEST POINT DESIGNATIONS 12 FIGURE 3 4 REMOTE CONTROL OF POWER ON HIGH VOLTAGE ON AND HIGH VOLTAGE OFF ERROR BOOKMARK NOT DEFINED FIGURE 3 5 EXTERNAL INHIBIT INTERFACE CIRCUIT 13 FIGURE 3 6 EXTERNAL INTERLOCK INTERFACE CIRCUIT 13 FIGURE 3 7 REMOTE HIGH VOLTAGE ON AND REMOTE HIGH VOLTAGE OFF INDICATOR 14 FIGURE 3 8 REMOTE OVERVOLTAGE ADJUST INTERFACE 14 FIGURE 3 9 REMOTE STATUS AND FAULT INDI...

Page 15: ...ms designed to optimize user utility satisfaction and safety FRONT PANEL CONTROL POWER HIGH VOLTAGE ON HIGH VOLTAGE OFF SWITCHES These intuitive front panel controls allow the user to easily turn the unit on and enable disable the generation of high voltage FRONT PANEL INDICATOR LAMPS CONTROL POWER ON HIGH VOLTAGE OFF and HIGH VOLTAGE ON indicators are integral with the control switches and equipp...

Page 16: ...cated on the rear of the chassis 1 2 1 Remote Operating Features REMOTE PROGRAMMING Allows remote adjustment of the output voltage current power and overvoltage regulation parameters via the use of external 0 10Vdc 0 100 rated output voltage sources REMOTE MONITORS Allows remote monitoring of the output voltage current and power test points where 0 10Vdc 0 100 rated output REMOTE HIGH VOLTAGE CONT...

Page 17: ...hat excessive temperature has been sensed within the chassis and internal protection circuitry has shut down the power supply ARC Indicates that an arc has occurred one second flash or that the ARC Intervention Circuitry has shut down the power supply due to excessive arcing latched ARC fault AC FAULT Indicates a problem with the front end AC input circuitry and the corresponding generated inverte...

Page 18: ...e Section 5 for more information on these options With few exceptions these options can be retrofitted to your power supply at the factory in a short time For price and retrofit arrangements contact Spellman s Sales Department at sales spellmanhv com 1 5 Interpreting the Model Number The model number of the power supply describes its capabilities After the series name EVA is The maximum voltage in...

Page 19: ...supply a circuit breaker protected dedicated electrical service must be provided for each EVA chassis EVA units are not phase dependent the three AC input phase connections can be orientated in any manner with no adverse effect on power supply performance See Table 2 1 2 3 Mechanical Installation Units in the EVA series have front panel holes for standard EIA rack mounting The rack must allow rear...

Page 20: ...W only 25 amps Input Voltage Must Be Selected At Time of Order Note 400VAC Option 360 528Vac units do NOT have a rear panel circuit breaker For proper protection a circuit breaker fuse protected dedicated 30 amp three phase electrical service must be provided for each EVA chassis Table 2 1 Input Voltage Current Requirements The above maximum input current values assume a unit running at maximum po...

Page 21: ...ndent and can be connected in any manner For single phase input BROWN is line and BLUE is neutral The GREEN YELLOW or GREEN wire is for chassis safety ground connection This is a safety ground connection and is NOT adequate for system grounding purposes Attach the high voltage output cable to the load D Plug the high voltage output cable provided with the unit into the rear of the supply and secur...

Page 22: ...ing When usage applications dictate electrical isolation may be required when interfacing with the high voltage power supply in question For power control signals such as CONTROL POWER EXTERNAL INTERLOCK HIGH VOLTAGE OFF and HIGH VOLTAGE ON isolated relay contacts should be used For status signals and control signals such as HIGH VOLTAGE ON status HIGH VOLTAGE OFF status EXTERNAL INHIBIT etc opto ...

Page 23: ...circuit can be used to generate fast slewing output waveforms The maximum inhibit rate should not exceed 5Hz Consult factory for higher repetition rates or high pulse load applications See Figure 3 5 for the recommended interface circuit WARNING IT IS EXTREMELY DANGEROUS TO USE THE EXTERNAL INHIBIT TO STOP HIGH VOLTAGE GENERATION FOR THE PURPOSE OF SERVICING OR APPROACHING ANY AREA OF THE LOAD CON...

Page 24: ...ace and provided GUI but changing these settings can have serious consequences NOTE Making changes to the ARC Intervention Circuitry along with excessive arcing of the power supply can thermally overheat and damage the internal short circuit limiting assembly Damage to the power supplies internal short circuit limiting assembly is consider misuse of the unit and repairs will not be covered under t...

Page 25: ...EVA Manual 11 118144 001 REV A Figure 3 2A Wiring Diagram for Remote Programming via Voltage Source Figure 3 2B Wiring Diagram for Remote Programming via External Resistance ...

Page 26: ...oltage power supply Coils should be driven from isolated sources Signals are at 24Vdc 100mA max and are only to be used for contact closure S1 must be closed to enable HIGH VOLTAGE ON Momentary closure of S2 will enable HIGH VOLTAGE ON Opening S1 will disable HIGH VOLTAGE ON and switch the unit to the HIGH VOLTAGE OFF mode Figure 3 4 Remote Control of Power ON High Voltage ON and High Voltage OFF ...

Page 27: ...EVA Manual 13 118144 001 REV A Figure 3 5 External Inhibit Interface Circuit Figure 3 6 External Interlock Interface Circuit ...

Page 28: ...EVA Manual 14 118144 001 REV A Figure 3 7 Remote High Voltage ON and Remote High Voltage OFF Indicator Figure 3 8 Remote Overvoltage Adjust Interface ...

Page 29: ...EVA Manual 15 118144 001 REV A Figure 3 9 Remote Status and Fault Indicator Interface ...

Page 30: ...8 HIGH VOLTAGE ON Indicator 24Vdc 25mA HIGH VOLTAGE ON 19 Power Supply Common Power Supply Ground 20 24Vdc Output 24Vdc 100mA maximum 21 Voltage Mode Status Open collector Low Active 35V maximum 10mA 22 Current Mode Status Open collector Low Active 35V maximum 10mA 23 n c 24 Interlock Closed Status Open collector Low Active 35V maximum 10mA 25 n c 26 Spare 27 Spare 28 Remote Overvoltage Adjust 0 1...

Page 31: ...uss voltage for the high frequency inverter An input line cord circuit breaker EMI Filter Assembly contactor inrush limiting circuitry bridge rectifier electrolytic capacitors rail inductors and rail capacitors comprise the basic components required for input line rectification Three different input voltages are available for the EVA Series If the user is unsure which input voltage is required for...

Page 32: ...mers The gate control for the switching devices is provided by GATE DRIVE PWB A3 and A4 The control signals are generated by the SYSTEM CONTROL PWB A1 4 3 High Voltage Transformer The output of the Inverter is connected to the primary of the High Voltage Transformer The High Voltage Transformer is a step up type Typical secondary voltages are in the range of 1kVac to 5kVac depending upon the units...

Page 33: ...ct Spellman Sales Department for details 5 5 Two High Voltage Connecters HV2 Optional two 2 high voltage output connecters that are connected in parallel for powering two beam channels with a single high voltage power supply 5 6 Three High Voltage Connecters HV3 Optional three 3 high voltage output connecters that are connected in parallel for powering three beam channels with a single high voltag...

Page 34: ...ulate the emission beam current Each beam control channel if operated alone can utilize 0 to 100 of the rated emission current capacity of the EVA high voltage power supply When two or three beam control channels are used at the same time the total system emission current capacity remains the same Individual channel programming must be done such that the total current does not exceed the systems t...

Page 35: ...0 10Vdc 0 100 rated Emission beam Current and Filament Current test points REMOTE BEAM ON OFF CONTROL Allows remote control of the BEAM ON and BEAM OFF functions via dry contact opens and closures Signals are also provided for remote indication of BEAM ON and BEAM OFF status EXTERNAL INTERLOCK Interlock connections are provided on the rear panel interface connecter for connection to a safety switc...

Page 36: ...y or discard any of the packing material used in a damaged shipment After unpacking inspect the panel chassis gun output box and cables for visible damage Standard Spellman EVA beam controllers are covered by a warranty Custom and special order models with a unique 4 digit X suffix in the model number are also covered by a warranty Check the specific warranty terms by referring to the Warranty doc...

Page 37: ...anel GUN3 lamp See Note 1 ON down for GUN3 OFF up for Single Gun and for GUN1 and GUN2 in Multi Gun configuration 4 SINGLE GUN Selects the Emission Current feedback signal from the EVA High Voltage Chassis For single gun configuration only ON down No GUN2 or GUN3 installed OFF up for Multi Gun configuration 5 MULTI GUN Selects the Emission Current feedback signal from the Gun Output Box when multi...

Page 38: ...le high voltage output cable attached to the gun output box into the rear panel high voltage connector of the EVA high voltage power supply and secure properly E Connect the captive two conductor filament output cable that exits the gun output box to the filament of the electron gun Either wire can be connected to which ever terminal of the filament desired as there is no polarity orientation Make...

Page 39: ...fault and interface circuits are still active To fully turn off the EVA high voltage power supply and EVA beam controller push in CONTROL POWER ON switch to release the switch bezel to the out position All front panel lights should extinguish NOTE If a beam controller fault or system monitoring fault occurs the beam controller will revert to the POWER DOWN mode This is indicated by neither the BEA...

Page 40: ...reheat via the front panel internal controls local or external voltage sources remote LOCAL CONTROL Local programming front panel internal control will enable the front panel potentiometers for Emission beam Current and Filament Limit Set and an internal factory preset potentiometer to set the Filament PreHeat This is accomplished by setting the rear panel DIP switch switch 1 position to the OFF u...

Page 41: ...ONTROL Remote control of BEAM ON and BEAM OFF can be accomplished via the rear panel interface BEAM OFF and BEAM ON are controlled by momentary normally closed normally open contacts respectively between pins 14 and 15 and pins 15 and 16 See Figure 6 6 for more details EXTERNAL INTERLOCK The External Interlock connections are provided on the rear panel interface connecter pin 3 and pin 4 They are ...

Page 42: ...EVA Manual 28 118144 001 REV A Figure 6 4 Remote Programming via Resistance Figure 6 5 Remote Monitor Designations ...

Page 43: ...EVA Manual 29 118144 001 REV A Figure 6 6 Remote BEAM ON BEAM OFF Figure 6 7 External Interlock Interface Circuit ...

Page 44: ...EVA Manual 30 118144 001 REV A Figure 6 8 Remote BEAM ON BEAM OFF Indicator ...

Page 45: ...EVA Manual 31 118144 001 REV A Denotes jumper connection for simplified front panel operation Table 6 2 Beam Controller 25 Pin D Remote Interface Connector ...

Page 46: ... Avoid touching or handling the high voltage assembly Be sure to replace the bottom cover before operating the unit 7 2 Performance Test WARNING HIGH VOLTAGE IS DANGEROUS ONLY QUALIFIED PERSONNEL SHOULD PERFORM THESE TESTS High voltage test procedures are described in Bulletin STP 783 available by clicking the following link Standard Test Procedures for High Voltage Power Supplies Test equipment i...

Page 47: ... question 8 2 Correspondence and Ordering Spare Parts Each Spellman power supply has an identification label on the rear of the chassis that bears its model and serial number When requesting engineering or applications information please state the model and serial number of the power supply If specific components or circuit sections are involved in the inquiry it is helpful to indicate the compone...

Page 48: ...ned to the customer The Customer shall pay for shipping to and from Spellman A preliminary estimate for repairs will be given by phone by Customer Service A purchase order for this amount is requested upon issuance of the RMA Number A more detailed estimate will be made when the power supply is received at the Spellman Repair Center In the event that repair work is extensive Spellman will call to ...

Page 49: ...ged breach of this warranty No modification amendment supplement addition or other variation of this warranty will be binding unless it is set forth in a written instrument signed by an authorized officer of Spellman Factory Service Procedures For an authorization to ship contact Spellman s Customer Service Department Please state the model and serial numbers which are on the plate on the rear pan...

Reviews: