Spellman MONOBLOCK XRB80N100 User manual

Instruction Manual

High Voltage X-Ray Generator

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: [email protected]

MONOBLOCK® SERIES

XRB80

100

Website: www.spellmanhv.com

MONOBLOCK® MANUAL 118089-001 Rev A

IMPORTANT SAFETY PRECAUTIONS

SAFETY

THIS POWER SUPPLY GENERATES VOLTAGES THAT ARE DANGEROUS AND MAY BE FATAL.

OBSERVE EXTREME CAUTION WHEN WORKING WITH THIS EQUIPMENT.

High voltage power supplies must always be grounded.

Do not touch connections unless the equipment is off and the

Capacitance of both the load and power supply is discharged.

Allow five minutes for discharge of internal capacitance of the power supply.

Do not ground yourself or work under wet or damp conditions.

SERVICING SAFETY

Maintenance may require removing the instrument cover with the power on.

Servicing should be done by qualified personnel 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.

This information contained in this publication is derived in part from proprietary and patent data. This information has

been prepared for the express purpose of assisting operating and maintenance personnel in the efficient use of the

model described herein, and publication of this information does not convey any right to reproduce it or to use it for

any purpose other than in connection with installation, operation, and maintenance of the equipment described.

118004-001 REV. B

WICHTIGE SICHERHEITSHINWEISE

SICHERHEIT

DIESES HOCHSPANNUNGSNETZTEIL ERZEUGT LEBENSGEFÄHRLICHE HOCHSPANNUNG.

SEIN SIE SEHR VORSICHTIG BEI DER ARBEIT MIT DIESEM GERÄT.

Das Hochspannungsnetzteil muß immer geerdet sein.

Berühren Sie die Stecker des Netzteiles nur, wenn das Gerät ausgeschaltet ist und die elektrischen

Kapazitäten des Netzteiles und der angeschlossenen Last entladen sind.

Die internen Kapazitäten des Hochspannungsnetzteiles benötigen ca. 5 Minuten, um sich zu entladen.

Erden Sie sich nicht, und arbeiten Sie nicht in feuchter oder nasser Umgebung.

SERVICESICHERHEIT

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 Verletzungen oder zum Tod

führen können.

“CAUTION” im folgenden Text weist auf Prozeduren hin, die genauestens befolgt werden müssen, um

eventuelle Beschädigungen des Gerätes zu vermeiden.

118004-001 REV. B

PRECAUTIONS IMPORTANTES POUR VOTRE SECURITE

CONSIGNES DE SÉCURITÉ

CETTE ALIMENTATION GÉNÈRE DES TENSIONS QUI SONT DANGEUREUSES ET PEUVENT ÊTRE FATALES.

SOYEZ EXTRÊMENT VIGILANTS LORSQUE VOUS UTILISEZ CET ÉQUIPEMENT.

Les alimentations haute tension doivent toujours être mises à la masse.

Ne touchez pas les connectiques sans que l’équipement soit éteint et que la capacité à la fois de la charge et de

l’alimentation soient déchargées.

Prévoyez 5 minutes pour la décharge de la capacité interne de l’alimentation.

Ne vous mettez pas à la masse, ou ne travaillez pas sous conditions mouillées ou humides.

CONSIGNES DE SÉCURITÉ EN CAS DE REPARATION

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 manipulation de ces

équipements, qui peuvent entrainer de possibles blessures voire la mort.

Dans le manuel, les notes marquées « CAUTION » indiquent les procédures qui doivent être suivies afin d’éviter

d’éventuels dommages sur l’équipement.

118004-001 REV. B

IMPORTANTI PRECAUZIONI DI SICUREZZA

SICUREZZA

QUESTO ALIMENTATORE GENERA TENSIONI CHE SONO PERICOLOSE E

POTREBBERO ESSERE MORTALI.

PONI ESTREMA CAUTELA QUANDO OPERI CON QUESO APPARECCHIO.

Gli alimentatori ad alta tensione devono sempre essere collegati ad un impianto di terra.

Non toccare le connessioni a meno che l’apparecchio sia stato spento e la capacità interna

del carico e dell’alimentatore stesso siano scariche.

Attendere cinque minuti per permettere la scarica 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 manuale, che richiamano all’attenzione ai

rischi quando si opera con tali unità e che potrebbero causare possibili ferite o morte.

Le note di CAUTELA contenute nel manuale, indicano le procedure da seguire per evitare

possibili danni all’apparecchio.

118004-001 REV. B

XRB80N100 MONOBLOCK® MANUAL 1 118090-001 REV D

Table of Contents

PAGE

1. INTRODUCTION

1.1 Description of MONOBLOCKSeries..............................................................2

1.2 Operating Features...............................................................................................3

1.3 Status and Fault Diagnostic Display....................................................................4

1.4 Interpreting the Model Number ...........................................................................5

2. INSPECTION

2.1 Initial Inspection ..................................................................................................6

2.2 Installation............................................................................................................6

3. OPERATING INSTRUCTIONS

3.1 Operation..............................................................................................................7

3.2 Signal and Power Connections ............................................................................8

3.3 Local Mode (Analog Control)..............................................................................8

3.4 Local Mode (Analog Monitors)...........................................................................8

3.5 Local Mode (Analog Enable)...............................................................................8

3.6 Remote Mode (Digital Control)….......................................................................8

3.7 X-Ray Tube Seasoning Process...........................................................................8

4. DIAGNOSTICS

4.1 Chassis .................................................................................................................11

5. FACTORY SERVICE

5.1 Warranty Repairs .................................................................................................12

5.2 Factory Service Procedures..................................................................................12

5.3 Ordering Options and Modifications…...............................................................12

5.4 Shipping Instructions ...........................................................................................12

LIST OF TABLES

Table 1 Diagnostic Descriptions.......................................................................................11

Table 2 Tube Seasoning Procedure ..................................................................................13

XRB80N100 MONOBLOCK® MANUAL 2 118090-001 REV D

Chapter 1

INTRODUCTION

1.1 Description of the XRB80N100

MONOBLOCKSeries

he XRB80N100 MONOBLOCKSeries is a

complete integrated system consisting of a high

voltage power supply (HVPS), filament supply, X-ray

tube and oil encapsulant which provides the required high

voltage insulation in one compact enclosure . The

combination of proprietary control system and protection

circuitry enables the supplies to operate under arcing and

extreme transient conditions without damage or

interruptions. Additional advantages are the elimination of

high voltage cables and extremely low leakage X-ray

radiation.

Power factor corrected input regulator is utilized to

improve overall reduction in harmonic emissions and

EMI. The output provides a regulated +390VDC to

downstream switching circuitry enabling optimal

performance and efficiency.

The XRB80 MONOBLOCKSeries incorporates local

and remote programming, monitoring, and fault indicators

including safety interlock.

The X-ray source is a sealed unit containing a HVPS and

an X-ray tube. The insulating oil provides electrical

insulation for the high voltage sections of the power

supply and the X-ray tube in a sealed tank. The oil also

functions as a coolant to carry heat away from the tube.

Convection cooling augmented by customer provided

100cfm external fan is required. A rubber bellows in the

tank of the X-ray source compensates for the expansion of

the oil as the oil temperature varies with operating

conditions thereby eliminating the need for bulky

overflow tank.

XRB80N100 MONOBLOCK® MANUAL 3 118090-001 REV D

1.2 Operating Features

The MONOBLOCKSeries incorporates several

standard features designed to optimize user satisfaction

and safety.

INTERNAL FAULT PROTECTION: The

MONOBLOCKSeries continually monitors

internal circuits critical to the proper operation of the

power supply. In the event that one of these circuits

does not function correctly, the fault detection circuit

latches the appropriate fault on the front cover display

and turns off the output.

LED FAULT/STATUS INDICATORS:

Indicators are located on the cover of

Inverter/Control Assembly and are provided to give

the user complete indication of system operation and

fault conditions.

POWER OVERVOLTAGE (OV)

ARC FLT UNDERVOLTAGE (UV)

OVERTEMP (OT) OVER CURRENT (OC)

UNDER CURRENT (UC) X-RAY ON

WATCHDOG OPERATION: The HVPS employs

an internal watchdog timer to discontinue X-ray

operation in instances where the host computer has

lost communication and control of the HVPS system

for a period greater than ten second. This feature is

enabled via RS-232 host command.

LOCAL PROGRAMMING: Allows Local

adjustment of the output voltage and current via

analog voltage inputs on J2 on the front cover. To

operate in Local mode, position jumpers for JP4 and

JP5 in the 2-3 position as per table on the front cover.

LOCAL MONITORS: provides Local analog

monitors for the output voltage and current via analog

voltage outputs on J2 on the front cover.

REMOTE PROGRAMMING: Allows remote

adjustment of the output voltage and current via RS-

232 digital interface port at J3 on the front cover. To

operate in Remote mode, position jumpers for JP4

and JP5 in the 1-2 position as per table on the front

cover. All program values default to zero upon

power up.

REMOTE MONITORS: Provides remote monitors

of the output voltage, output current and Filament

current via RS-232 digital interface port at J3 on the

front cover.

X-RAY ENABLE CONTROL: Provides control of

X-ray ON and X-ray OFF either via a dry contact

connection from J2-15 to J2-13 when operating in

Local Mode (analog control) or Remote Mode RS-

232 communication when operating in remote mode.

Upon power up the unit will default to Local Mode

and will require re-assertion of J2-15 to enable unit.

After an X-ray Enable command is received via RS-

232 the unit will switch to Remote Mode.

EXTERNAL INTERLOCK: The X-ray cannot be

enabled unless the external interlock is closed by

connecting J2-11 to J2-12. During high voltage

operation, opening the interlock circuit will cause the

High Voltage to be disabled. Interlock status

indication via RS-232 interface at J3.

IMPORTANT

This control signal is not a safety

interlock and should not be used for

protection from X-ray generation for

safety purposes.

HV ON LAMP RELAY: When X-ray ON command

is enabled a NO and a NC relay contact closure will

occur at connector J2. Refer to pin assignments

datasheet SHV#128065-001 and specification for

contact ratings.

OIL TEMPERATURE MONITOR: Provides

remote oil temperature monitor via RS-232 digital

interface port at J3 on front cover.

PS Fault Indication: PS Faults an open collector

output on J2-1, indicates that a faults has occurred.

High = no faults.

X-ray On Indication: X-ray On Signal is an open

collector output on J2-14, indicates that a faults has

occurred. High = X-ray off

XRB80N100 MONOBLOCK® MANUAL 4 118090-001 REV D

1.3 System Status and Fault

Diagnostic Display

If a fault occurs, the power supply will revert to the

POWER DOWN mode indicated by extinguishing of X-

Ray ON led and via RS-232 as HV OFF. In local mode to

reset a fault, the enable (J2-15) must be re-asserted. In

Remote mode to reset a fault, a clear command or X-Ray

ON command must be sent via RS-232.

EXTERNAL INTERLOCK FAULT: Indicates that

the high voltage supply is inhibited by external

interlock protection circuitry solely via RS-232

communication as (ARG 8) Open Interlock.

OVERVOLTAGE: Indicates the over voltage

protection circuitry has caused the high voltage to

turn off. Over voltage protection is internally set to

88kv. This fault is indicated by OV led status on the

front cover and via RS-232 as (ARG 3), Over

Voltage.

OVER CURRENT FAULT: Indicates the output

current has exceeded 1.375ma or if the allowable

percentage of error between actual and programmed

emission currents is exceeded resulting in the HV to

be turned off. This fault is indicated by illumination

of OC led status on the front cover and via RS-232 as

(ARG 5) Over Current.

ARC FAULT: On the standard unit indicates that an

arc has occurred. This fault is indicated by

momentary (~ 1 sec) illumination of ARC FLT led

status on front cover and via RS-232 as (ARG 1) Arc.

Occurrences of three arcs with in a period of ten

seconds will shutdown the high voltage. This fault is

indicated by illumination of ARC FLT led status on

front cover and via RS-232 as (ARG 1) Arc. If the

one arc shutdown option is ordered one arc will

shutdown the high voltage.

UNDER VOLTAGE: Indicates a failure in the

voltage regulation circuitry. This fault occurs when

there is a lack of output power to maintain regulation

and will result in shutdown of the HV. This fault is

indicated by illumination of UV led status on the

front cover and via RS-232 as (ARG 4) Under

Voltage.

UNDER CURRENT: Indicates failure in the current

regulation circuitry. This fault occurs when the

allowable percentage of error between actual and

programmed emission currents is exceeded, due to

the actual emission current being less than the

programmed level. This fault does not shutdown the

HV, it is indicated by illumination of UC led status on

front cover and via RS-232 as (ARG 6) Under

Current.

OVER TEMPERATURE: Indicates that the internal

oil temperature has exceeded 66 deg C. This could be

either caused by a failure in the customer supplied

cooling fan that would cause the oil temperature to

exceed 65 deg C or the ambient temperature has

exceeded 40 deg C, resulting in shutdown of HV.

This fault is indicated by OT led status on the front

cover and via RS-232 as (ARG 6) Over Temperature.

POWER ON LED: When input power is applied to

the unit it is indicated by the POWER led being

illuminated.

X-ray On LED: when the high voltage status is

“On” state it is indicated by X-RAY ON led status on

the front cover.

WATCHDOG TIMER: Indicates the host computer

has lost communication and with the HVPS system

for a period greater than ten second. This feature is

enabled via RS-232 host command. This fault is

indicated via RS-232 as (ARG 5) Watchdog Time-

out. See digital manual for details.

XRB80N100 MONOBLOCK® MANUAL 5 118090-001 REV D

1.4 Interpreting the Model Number

The model number of the power supply describes its

capabilities. After the series name is:

1. Maximum voltage (in kV).

2. Polarity of the unit: (N) Negative

3. The maximum output (in watts).

4. Options

5. Custom model number

XRB 80 N 100 / XX / X (#)

XRB80N100

Series

Name

Maximum

Voltage

Polarity

Maximum

Power

Custom

“X”

Number

Options

See datasheet

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