CR30-X Service Training. 2Created by Claus Steiner - 23 September 2006 Safety: Working with the...

CR30-X Service Training

2 Created by Claus Steiner - 23 September 2006

Safety: Working with the Digitizer (1)

C AU TIO N

WAR NIN G

D AN G ER

KLight injuries, damage

Serious injuries, damage

Death or heavy injuries

Safety Notes: General Classification

• Safety Directions are divided in "Generic Safety Directions" (Chapter 0) and product specific safety directions (Chapter 3.1)

• The following charts list the product specific safety directions which are important for this training.

System Overview: CR 30-X System

Digitizer

Cassette

NX W orkstation

517511ae.cdr

System Overview: CR30-X System (2)

PMI Board(hotoultiplier

nterface)PM

FireWireInterface

ASAPPackage*

*ASAP = Agfa Scanner Access Package

NXApplication Software

TWAIN Interface

Digitizer

NX Workstation

517502ca.cdr

FireWireCable

CR 30-X System: Options and Accessories

Options (main components)• Printer (Drystar 5302)• Auto QC² Package• Additional Cassettes with Image Plates

Accessories• Table with wheels• UPS • Wall fixation Kit• CR Inroom X-Ray Shielding 517511ak.cdr

X-R ay Shie ld ing

CR 30-X: Market Position

• CR entry level for the price sensitive customer

• Target groups:- Small imaging centers- Private radiologists

Workflow (1)

Insert exposed C assettein D ig itizer

Take exposure

Prepare C assettefor next patient

Select Patient and identify

W ait till IP cycle is fin ished517502ah.cdr

Workflow (2)

Animation from NX WBT:

“Basic knowledge / System Overview”

Dealer Contact Partner

Service KPI's CR30-X

• MTTI (Mean Time To Install) = 0.33 h / one person• MTTM (Mean Time To Maintain) = 1.5 hours incl. Quality check• MTBM (Mean Time Between Maintenance) = 1 year• MCBM (Mean Cycles Between Maintenance) ≥ 12.000 cycles • MTTR (Mean Time To Repair, includes MFDT) < 1.5 h• Service support time, parts availability = End of production + 7 years • MTTT (Mean Time to Train) – technical training = 2 d IBT / 1 d WBT

Service Strategy

Service Target Groups: • Agfa FSEs• 3rd party and dealer service engineers

One day Installation Concept:• Staging as far as possible• Basic exam tree in English with CR30-X and Drystar 5302• Further adjustments via professional service (Agfa Application

specialist)

Repair:• Replacements mainly on module level (where useful)• No adjustments after replacements (3 exceptions)

Documentation

Chapter 11"Installation- Planning"

Chapter 9Maintenance

DD+DIS171.09E

Separate available chapters ofthe complete Service Manual

DD+DIS172.06E

Chapter 1"Installation"

Chapter 11"Installation- Planning"

DD+DIS172.06E

Part of Delivery

InstallationProcedure

DD+DIS137.06E

Additional documents:• NX Service Manual• CR30-X and NX User Manuals

Digitizer Introduction

• Technical Data• Controls and Connections• IP run: Overview• IP run: The major steps• Scan Principle• Stall Detection• Hardware Modules• Electronis and SW Modules• Boot-up• Service Software• Cassettes and IPs

Digitizer Introduction: Technical Data

Input Voltage: 100 - 240 V 50/60 Hz Pmax: 320 WBootp-Up Time: 60 sec.Weight: 98 kgScan Resolution: 100 μm

More technical data: See Technical Documentation chapter 11, Installation Planning

Digitizer Introduction: Controls and Connections

Status Indicator Digitizer Status Allowed user action

Blue - Constant Erasure cycle active Wait

Green - Constant Ready Insert next cassette for scanning

Green - Flashing Scan cycle active Wait

Red - Constant Service mode

Red - Flashing Boot-Up

No connection to processing station

Check processing station for further instructions

517511ba.cdr

Intergrounding Connector

FireWire Connector (IEEE1394)

Mains Switch

100 - 240 V / 50 - 60 Hz ACpower supply input

Digitizer Introduction: IP Run: Overview

517511ag.cdr

Photo M ultip lier In terface (PM I) Board Photo M ultip lier Tube

(PM T)O ptic M odule

Laser D iodePolygon M otor

LaserBeam

Erasure U nit

C assette U nit

C hipR eader

IP Run

Transport U nit

F ireW ireC able toN X W orkstation

LightC ollector

S low Scan U nit

C alibrationBoard

Polygon M irror

Digitizer Introduction: The major IP run steps

User inserts cassette.

1. Cassette edge sensor detects cassette2. Fixer stepper motor clamps cassette3. Chip reader reads IP data

517502ba.cdr

4 Locking Motor unlocks cassette shutter(attention: cassette is shown with cover on top side.Actually tube side is on top)

517502bb.cdr

5 Cassette opener motor drives hooks upwards to open cassette shutter.

517502bc.cdr

6 Drawer motor drives drawer unit backwards

517502bd.cdr

D raw er docks via m agnets

7 Drawer Unit draws tray with IP out of cassette

Digitizer Introduction: The 12 major IP run steps

517502be.cdr

8 Roller clamping motor drives lower rollers of transport unit upwards while roller motor starts turning the upper rollers

Digitizer Introduction: The 12 major IP run steps

517502be2.cdr

9 Roller Motor drives IP towards stop at slow scan unit

517502bf.cdr

10 Roller clamping motor releases IP while lift motor drives down upper scan roller

517502bg.cdr

11 Slow scan motor drives lower rollers while lift motor opens upper front rollers and closes upper rear rollers

517502bh.cdr

12 When the IP is completey scanned, the slow scan motor changes direction

517502bi.cdr

IP run back to cassette is similar to IP run forward

Main difference: IP erasure

517502bk.cdr

Animation from WBT CR30-X“Functional description / IP cycle”

Digitizer Introduction: Scan Principle (1)

Laser Diode

6 Facet Polygon

Calibration Board517502ae.cdr

EOL Sensor

BOL Sensor

Geometric Correction Sensors (1 to 18)

Laser Diode:- Power max = 45 mWPolygon:- 6 facets- Ball bearings- Run-up period approx. 5 sec.- Follow-up period approx. 10 min.Calibration Board- BOL / EOL Sensor -18 diodes for geometric correction- 2 diodes (BOL and EOL)

Data path from exposure to 16 bit raw image data

517502ea.cdr

Photo M ultip lier In terface

(PM I) BoardPhoto M ultip lier Tube

(PM T)

Im age P late

Laser D iode

LaserBeam

FireW ireC able toN X W orkstation

Light C ollector

C onversion L ight to C urrent

C onversion C urrent to Voltage

C onversion Voltage to D ig ita l Value(Analog - D ig ita l - C onversion)

Polygon M irror

X-R ay

Exposure

S tim ulation (Scanning)

(Phosphorescence)

R ed laser beam

Blue em itted ligh t

Princip le of C R expla ined in the A tom Shell M odel

(Shell like structure of e lectron cloud)

Blue em itted light

Timings

• Geometric Correction:

To correct irregularities in the polygon run, the digitizer measures the timings between the BOL and EOL signal during each scan. Certain irregularities, which may be caused by external vibrations or the polygon ball bearings are smoothed by calculating mean values of several scan lines.

• Jitter Correction:

To correct irregularities in the optical path, the digitizer measures at each boot-up the timings of the laser beam between pin diode 1 and 2, 2 and 3 and so on.As a result a kind of "calibration curve" is created, which corrects possible distortions.

• Synchronization of Polygon, Begin of Scan, Begin of Line and AD Window :

When an IP is inserted the polygon starts up. The BOL/EOL sensors measure the position of the polygon mirrors (they even detect each single facet). When the IP arrives for scanning, the sensors of the calibration board detect the IP edge and generate the begin of scan signal (BOS).The begin of line signal (BOL) triggers a timer for switching on the laser beam and the AD window. The length of the AD window and "Laser On" depends on the image plate size.

Digitizer Introduction: Stall Detection (1)

Stall detection (= load detection) • Motor stall (home/end position) detection without the use of

additional sensors • Made by evaluation of stepper motor control curve on the

motor controller chip

Advantage (compared to home/end position detection via light sensors):

• Monitoring of motor run not only in home and end position, but also between home and end position (except acceleration / deceleration time)

• Less sensors (costs, reliability) and cabling (costs).

Animation from WBT CR30-X

“Functional description / Stall detection”

Digitizer Introduction: Hardware Modules (1)

Cassette Unit

Locking Unit(Part of Cassette Unit)

Transport Unit

Transport Unit with front rollers removed

Erasure Unit

Bottom Top

Optic Module

closedopened

Slow Scan Module

Top Rear

PMT with Light Collector

Light Collector

Blue LED

Signal correction before scan: AUTOZEROWith laser and blue LED switched off, the system measures the output of the PMT. This value is the AUTOZERO value.Parameters: Noise of the PMT electronics; Remaining light Error message if AUTOZERO value exceeds certain limit (e.g. covers opened)

Signal corrections during scan: AUTOCALDuring laser blank time, till the next facet scans a line, the blue LED is switched on to measure the sensitivity of the PMT. By combining the measured values of several lines the sensitivity is automatically adjusted (High Tension at PMT)

Functions of the Blue LED in the Light Collector

Blue LED

Animation from WBT CR30-X„Assembly Overview“

Digitizer Introduction: Electronics and SW Modules

PM I Board( hoto ultip lier

nterface)P M

FireW ireInterface

F ireW ireInterface

ASAPPackage*

*ASAP = Agfa Scanner Access Package

N XApplication Software

TW AIN In terface

D igitizer

N X W orkstation

517502ca.cdr

IPH andling

C an Bus

S low ScanBoard

ErasureBoard

C hipR eader

O pticsPC Bs

U serInterface

C alibrationboard

Digitizer Introduction: Bootup

Boot-up takes approx. 60 sec.

• During bootup the digitizer status is only displayed at the processing station if an error occurs

• Link to detailed boot-up procedure(see also printed version in TechnicalDocumentation chapter 2; Bootup)

Digitizer Introduction: Service Software (1)

Digitizer Introduction: Service Software (2)

• CR30-X Service Client runs on processing station(part of ASAP)

• Started via: Start => All Programs => Agfa CR30-X => Service Client

• Can also be installed on service PC to view e.g. explanation of error code or evaluate Infocounter offline

Digitizer Introduction: Cassettes and IPs

• CR MD4.0T General Cassette (similar cassette used for DX-S) • CR MD4.0 Image plate (flexible; also used in CR 75.0 etc.)• Tray and Image Plate belong together (= one spare part)• Formats: 15 x 30 cm; 18 x 24 cm; 24 x 30 cm; 35 x 43 cm

Shutter

517511al.cdr

RF-tag

Tray Metal piece

Metal piece

Im age plate

Installation Planning

Space required for insta lla tion and repair

Space required for operation

537511ac.cdr

60 [23.6]

> 10 [3.9]

> 50 [19.7]

60 [23.6]

80 [31.5] 80 [31.5]

* ** * space for cables and airflow** Space for cleaning

Digitizer NX W orkstation

F ireW ire Cable Length = 4.5 m [15 ft]

517511ai.cdr

75 cm [29.5 in] recom m ended

Installation (1)Installation Prerequisites:1.Check installation site prerequisites2.Unpack digitizer (forwarder!)3.Put digitizer on provided table (forwarder!)4.Check shipment completeness5.Prepare required tools6.Install UPS (Option)7.Connect the cables Installation8. Switch digitizer on9. Load default configuration file on NXCompletion of installation10. Clean image plates11. Check technical image quality of the digitizer12. Test the optional UPS13. Fill in Site Data in CR30-X Service Client14. Run hand-over test15. Hand-over the system to the Clinical Application Specialist16. Fill in "Site and System Data" and "Installation Report" form

517501af.cdr

to w all outle t

230 V (220 - 240 V) VersionType 5115 - 500i

517511aj.cdr

Installation (2)

Settings of CR30-X in the configuration screen “Device configuration” of “NX service and configuration tool”

Troubleshooting

517533ab.cdr

Sym ptom

Repair8 9 Verify Repair

Solution

Sym ptom

Customer information1Get Error Code

Service C lient

In focounterEvaluationin chapter 3.2

R eporting

Analysis & R epair

E rror S tatistics

Expla in E rror C ode

R eboot

R efer to chapter 3 .5,R eplacem ents

Perform verification as ind icated in chapter 3 .5, R eplacem ents

Service C lientG enera l D evice In fo

Infocounter

Get Infocounter

7 Check Error CodesCheck suspiciousInfocounter entries

Defect

Reboot

M ED N ET, G SOC om puted R adiography

C R D ig itizersC R 30 - X

Troubleshooting G uide

ConsultTroubleshooting Guide

Repair

• Calibration & Adjustments• Spare Parts• E-Labels• SW Update/Upgrade

Repair: Calibrations and Adjustments

Adjustment To be done in case ....

Drawer Unit Height Adjustment After replacement of the drawer unit

PMI board carrier position adjustment After replacement of the PMT with light collector

Cassette edge sensor position adjustment

After replacement of cassette edge sensor

Exceptionally:

Cassette unit open safety switch position check

After replacement of cassette unit open safety switch

Details see chapter 3.6, Technical Documentation

Calibration To be done in case ....

Shading calibration After replacement of the PMT with light collector

After replacement of the optic module Whenever the PMT or light collector have

been removed (e.g. for replacing the slow scan module)

Repair: Spare Parts

• Alltogether 34 Spare Parts (Status 07/2006)• Recommended spare part:

"Small parts Kit, CM+XYZ"• Repairable parts (to be sent back):

• Optic module• Slow scan unit• Cassette opener unit (with IP handling board)

Repair: E-Labels (1)

• Following PCBs are equipped with E-Lables:• PMT• PMI Board• Slow Scan Board• IP Handling Board• Optic Module PCB

• E-Label contains module specific data

1. Spare part (e.g. Slow scan board) is part of a larger module and requires module specific data:

• E-Label on Board gets SN 9999 in production

• This is the trigger for the processing station to copy the module specific data to the E-Label of the board.

Two exchange scenarios: Examples:

2. Spare part is an adjusted module (e.g. slow scan unit) which has its own module specific data:

• E-Label on Board gets SN 2345 in production (2345 is just an example)

• This the trigger for the processing station to copy the module specific data from the E-Label to the processing station for backup reasons

Two exchange scenarios: Examples:

Consequence of the two exchange scenarios:

Following kinds of exchange are not allowed:

• Do not use a "Slow scan board" or "IP handling board" from another digitizer.

• Do not use a "Slow scan board" which is originally part of a spare "Slow scan module" to exchange the "Slow Scan board" only.

• Do not use an "IP handling board" which is part of a "Cassette fixation unit" to replace the "IP handling board" only.

Repair: Software Update/Upgrade

Maintenance

• Each 12.000 cycles / once a year• Indicated via message at processing station

(can be de-activated: CR30-X Service Client Maintenance Indicator)

• No preventive replacements !• Main Tasks

• Get digitizer status (Infocounter evaluation)• Clean digitizer inside• Check and clean image plates• Check Image quality

CR30-X Service Training. 2Created by Claus Steiner - 23 September 2006 Safety: Working with the...

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