Thermo Scientific Apex User manual

Apex
Metal Detector
Service Guide
REC 4258 Rev C Part # 087929

Revision History
Revision Number Date Released ECO Number Release Specifics
Revision A March, 2007 1369 Official First Release
Revision B May 2007 1442 Added DSP3 to APEX upgrade
instructions, Chapter 11.
Revision C July 2007 1516 Added procedures to APEX software
upgrades.

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The seller agrees, represents, and warrants that the equipment delivered hereunder shall be free from defects
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seller's warranty hereunder. Any such defect in material and workmanship shall be presented to seller as soon
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“EXCEPT FOR THOSE WARRANTIES SPECIFICALLY CONTAINED HEREIN, SELLER DISCLAIMS
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BE EXCLUSIVELY LIMITED TO BREACH OF THOSE WARRANTIES. THE SOLE AND EXCLUSIVE
REMEDY FOR BREACH OF THE WARRANTIES SET OUT ABOVE SHALL BE LIMITED TO THE
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Though the information provided herein is believed to be accurate, be advised that the information contained
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respect to the products, and recommendation for use of the product/process information in conflict with any
patent. Please note that Thermo Scientific reserves the right to change and/or improve the product design and
specifications without notice.

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Thermo Fisher Scientific Contents i
REC 4258 Rev C
Contents
Contents...................................................................................................................i
Figures.................................................................................................................... v
About this Manual..............................................................................................vii
Organization of this Guide....................................................................vii
Chapter 1 .............................................................................................................1-1
Search Head PCBA Head Setup .....................................................................1-1
APEX Frequency Limitations.............................................................. 1-1
Safety .................................................................................................. 1-1
Search Head PCB................................................................................ 1-2
Oscillator Transformer Ratio ........................................................... 1-2
Oscillator Frequency ........................................................................ 1-3
Oscillator Amplitude........................................................................ 1-4
Input Tuning ................................................................................... 1-5
Electronic Balance............................................................................ 1-7
Search Head Screen........................................................................... 1-11
Auto Balance..................................................................................... 1-11
Search Head PCP Layout.................................................................. 1-13
Fine Tuning the System .................................................................... 1-14
Parts Required................................................................................ 1-14
Chapter 2 .............................................................................................................2-1
APEX I/O and PSU Connections......................................................................2-1
Wiring AC Power into the PSU PCBA ............................................ 2-2
Input Power Consumption .............................................................. 2-2
Wiring Outputs from the PSU PCBA (Not recommended)............ 2-2
Wiring Inputs into the PSU PCBA .................................................. 2-3
Inputs .............................................................................................. 2-4
Overview of connections on Relay PCBA............................................ 2-4
Relay outputs ...................................................................................... 2-5
Communication Output ..................................................................... 2-5

Contents
ii Contents Thermo Fisher Scientific
REC 4258 Rev C
Chapter 3 .............................................................................................................3-1
Control Panel Assembly...................................................................................3-1
How Too Upgrade the APEX Software............................................... 3-1
PN 090896 - APEX CPU Programming Cable – C07387M-E007.. 3-1
Upgrade Method 1 – MS-DOS boot floppy .................................... 3-2
Upgrade Method 2 – Upgrading in Windows.................................. 3-3
APEX error codes................................................................................ 3-5
Enable Passwords ................................................................................ 3-7
Assigning/Changing Passwords ........................................................ 3-8
Setup................................................................................................... 3-9
Chapter 4 .............................................................................................................4-1
Maintenance and Troubleshooting ...............................................................4-1
Cleaning.............................................................................................. 4-1
Check for Corrosion ........................................................................ 4-2
Fault Finding ...................................................................................... 4-2
Search Head Faults........................................................................... 4-2
Reject Confirm Fault ....................................................................... 4-2
Battery Low Fault............................................................................. 4-3
Product Memory Fault..................................................................... 4-3
Photo Reject Fault – Conveyor Systems ........................................... 4-3
Shaft Encoder Fault – Conveyor Systems ......................................... 4-3
QA Test Response Fault................................................................... 4-3
QA Test Result Fault ....................................................................... 4-4
Excess Reject Fault ........................................................................... 4-4
Phase Limit Fault ............................................................................. 4-4
Photo-eye Block Fault ...................................................................... 4-4
AuditCheck Fault............................................................................. 4-5
Recommended Testing Procedures................................................... 4-5
Testing Schedule .............................................................................. 4-6
Record Keeping................................................................................ 4-7
Rejected Product Examination ......................................................... 4-7
QA Test Request.............................................................................. 4-7
Service Repair and Replacement Parts ................................................. 4-7
Parts Ordering Information............................................................ 4-11
Parts............................................................................................... 4-12
Phone/Fax Contacts for
Thermo Scientific Offices......................... 4-13
Battery Replacement ........................................................................ 4-1
Disposal of Hazardous Waste........................................................... 4-2

Contents
Thermo Fisher Scientific Contents iii
REC 4258 Rev C
Chapter 5 .............................................................................................................5-1
Part & Drawing Numbers ................................................................................5-1
Printed Circuit Board Assemblies........................................................ 5-1
Control Panel Assemblies .................................................................... 5-1
Cable Assemblies................................................................................. 5-2
Chapter 6 .............................................................................................................6-1
Reference Material...........................................................................................6-1
DSP3/APEX Differences..................................................................... 6-1
DSP3 Sensitivity Control VS APEX Detection Level Control.......... 6-1
DSP3 PCNR VS APEX PNR .......................................................... 6-1
Loss of DSP3 VNX.......................................................................... 6-2
APEX DSV Filter............................................................................. 6-2
APEX DAG Method........................................................................ 6-3
APEX Display Size ........................................................................... 6-3
Plastic Control Box – Will it Shield RF? .......................................... 6-3
Aperture Size Programming on CPU ............................................... 6-4
APEX BNC Connector.................................................................... 6-4
APEX Quick Start Documentation ..................................................... 6-4
Product Speed and Filtering the Signal............................................. 6-5
Rejecting the Product....................................................................... 6-5
Reject Duration................................................................................ 6-5
Rejecting the Product More Accurately ............................................ 6-6
Packs that are to close to each other ................................................. 6-6
Failsafe Operation ............................................................................ 6-6
Recapping so far............................................................................... 6-6
Product Effect .................................................................................. 6-7
Wet and Dry Product....................................................................... 6-7
Phase Tracking................................................................................. 6-7
Recap +1 .......................................................................................... 6-8
Detection Level ................................................................................ 6-8
Effects of Vibration and Mechanical Shock...................................... 6-9
Metal Free zone................................................................................ 6-9
APEX signal Improvement Algorithms.............................................. 6-10
QNR.............................................................................................. 6-10
PNR............................................................................................... 6-10
CLX............................................................................................... 6-10
Phase Tracking............................................................................... 6-11
Balance Correction Switch Settings on Search Head PCB ................. 6-12
To recap, SW1 effectiveness is due to: -.......................................... 6-12

Contents
iv Contents Thermo Fisher Scientific
REC 4258 Rev C
Chapter 7 .............................................................................................................7-1
AuditCheck™......................................................................................................7-1
Theory of Operation ........................................................................... 7-1
Operation ........................................................................................... 7-3
Setup – Speed Shuttle Calibration.................................................... 7-3
Software Setup ................................................................................. 7-4
Manual AuditCheck Test................................................................. 7-7
Faults and Alarms............................................................................. 7-7
AuditCheck Patented Sensitivity Test System ..................................... 7-8
AUDITCHECK THEORY OF OPERATION ............................ 7-11
SUMMARY................................................................................... 7-17
Chapter 8 .............................................................................................................8-1
Using the APEX Oscilloscope.........................................................................8-1
Chapter 9 .............................................................................................................9-1
Cold Start.............................................................................................................9-1
Chapter 10 .........................................................................................................10-1
Oscillator...........................................................................................................10-1
Chapter 11 .........................................................................................................11-1
DSP3 to APEX Upgrade Instructions............................................................11-1
DSP3 Parts...................................................................................... 11-18
Chapter 12 .........................................................................................................12-1
APEX Software Update...................................................................................12-1
Upgrade Method 1 – MS-DOS Boot Floppy .................................... 12-2
Upgrade Method 2 – Upgrading in Windows................................... 12-3
Troubleshooting................................................................................ 12-6
Update not Starting........................................................................ 12-6
Transfers Timing Out .................................................................... 12-6
Chapter 13 .........................................................................................................13-1
Engineering Drawings....................................................................................13-1