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Safeline Signature Operating And Instruction Manual

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SAFELINE INC
Safeline Business Center
6005 Benjamin Road
Tampa, Florida 33634 USA
Tel: 813 889 9500 / 800 447 4439
Fax: 813 881 0840
Web Site: www.metaldetection.com
Email: sales@safeline.net
service@safeline.net
parts@safeline.net

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  • Page 1 SAFELINE INC Safeline Business Center 6005 Benjamin Road Tampa, Florida 33634 USA Tel: 813 889 9500 / 800 447 4439 Fax: 813 881 0840 Web Site: www.metaldetection.com Email: sales@safeline.net service@safeline.net parts@safeline.net...

  • Page 2: Preliminary Pages

    NOTE. An upgrade service is available from Safeline, at a fee, that will upgrade older detectors to the latest specification, where possible. Please contact your supplier’s technical departments for information on this service. Remember to have your serial number ready when making the call.

  • Page 3: Amendments

    For further information or to order copies of this document contact Safeline Ltd. at the address shown on the title page of this document, quoting the reference number given on the title page.
  • Page 4 PRELIMINARY PAGES Warnings and Cautions WARNING THE ABOVE CAPTION IDENTIFIES AN OPERATING PROCEDURE OR PRACTICE THAT COULD RESULT IN PERSONAL INJURY OR DEATH. CAUTION The above caption identifies an operating procedure or practice that could result in damage, or destruction, of the detector, the process or its surroundings.

  • Page 5: Handling Instructions

    CORRECT INCORRECT Safeline does not recommend the lifting or supporting of the detector by a person. Always use suitable lifting or supporting apparatus. Safeline will accept no liability for personal injury caused by attempting to lift or move the detector without the aid of a mechanical apparatus.
  • Page 6 The equipment should only be used in accordance with the instructions given herein. Failure to comply with these instructions may lead to the protection provided by the equipment becoming impaired. Safeline will not be liable for incidental or consequential damage if the equipment is not installed in accordance with the instructions given.

  • Page 7: Detector Precautions

    PRELIMINARY PAGES Detector Precautions CAUTION During installation and operation of the detector the following points must be considered. Failure to do so may result in difficulties of operation, degradation in the performance or damage occurring to your detector. Electric Arc Welding Electric Arc Welding must not be carried out on the detector or on any part of the attached conveyor system.
  • Page 8 PRELIMINARY PAGES Avoiding aperture damage At all times ensure that the product does not come in contact with, or impact onto the detector aperture or aperture lining. Handling and lifting When transporting and handling the detector damage may result if the lifting equipment (e.g. sling, cable assembly or by hand) passes through the aperture of the detector.

  • Page 9: Table Of Contents

    PRELIMINARY PAGES Contents PRELIMINARY PAGES Aims of this manual..............................ii Amendments................................iii Warnings and Cautions ............................iv Handling instructions ..............................v Detector Precautions .............................. vii INDEX ..................................xiii LIST OF ILLUSTRATIONS ............................XIV Features of your Metal Detector ..........................3 Product Numbers..............................3 Timer Groups ................................3 Timer Types ................................3 Product Signal Cancellation (PSC) (option) ......................3...
  • Page 10 PRELIMINARY PAGES Introduction ................................32 Pack Count and Reject Count ..........................33 Time ..................................33 OPERATOR MODE ..............................35 Introduction ................................35 Product Number, Auto Setup and Name ........................35 Sensitivity and Phase..............................35 SUPERVISOR MODE..............................37 Introduction ................................37 Product Number, Auto Setup and Name ........................37 Sensitivity and Phase..............................37 Operating Frequency ..............................38 Select Timer Group..............................38 Reject Count ................................38...
  • Page 11 PRELIMINARY PAGES QA INSPECTOR MODE (OPTION) ..........................67 Introduction ................................67 Printer ..................................67 Configuring the Performance Validation Routine ....................68 Line Identification..............................68 Printer Fitted ................................68 Printer Fixed/Portable .............................68 Test Samples ................................69 Shift Report Options ...............................69 Shift Report Interval ..............................70 Shift Report Start Time ............................70 Test Interval ................................71 Overdue Period...............................71 Alarm If Overdue..............................72...
  • Page 12 PRELIMINARY PAGES Specification of the serial link..........................118 Physical layer specification (OSI layer 1) ......................118 Data-link layer specification (OSI layer 2)......................118 Valid message identifiers ............................120 Commands the host can transmit .........................128 Commands the metal detector may transmit......................128 Command Identifier - ‘E’ Error Codes.......................130 Command Identifier - ‘Q’...

  • Page 13: Index

    PRELIMINARY PAGES INDEX Operator Access, 63 Amendments, iii Security, 19, 47, 63 Operator mode, 37 Aperture height, 9 Sensitivity Operating Frequency, 40, 44 Automatic setup, 3, 37,39, 43, 52 gradient, 7 Overdue Automatic tracking, 3, 46, 48, 68 limit, 57 alarm at, 6, 76 spherical, 7 output, 6...

  • Page 14: List Of Illustrations

    PRELIMINARY PAGES LIST OF ILLUSTRATIONS Figure Page Fig 1 Phase/Amplitude ..............................2 Fig 2 Effect of Phase Control ............................2 Fig 3 Effects of Unwanted Signals ..........................2 Fig 4 Metal Free Zone Guidelines..........................8 Fig 5 Typical Metal Detector Conveyor........................10 Fig 6 Bearing Block And Mounting Foot Insulation......................11 Fig 7 Belt Joints................................11 Fig 8 Layout of components and Terminals.........................13 Fig 9 Power Connections to the Detector ........................14...
  • Page 15 PRELIMINARY PAGES LIST OF ABBREVIATIONS Ampere Alternating current Aperture height Cyclic redundancy check D.C. Direct current Ferrous foot Hertz Kilo (10 KiloHertz Kilovolt kΩ KiloOhm Liquid crystal display LED, led Light emitting diode metre milliampere Metal free zone MegaHertz minute millimetre millisecond non-Fe Non-ferrous...
  • Page 17 Hi-Fi selectively controls the low frequency notes only. This is similar to the phase control circuit, Product Effect however the phase control circuit in a Safeline metal detector is very much more selective. Metal detectors are used to inspect all types of products e.g.
  • Page 18 PRINCIPLES OF OPERATION AMPLITUDE AMPLITUDE PRODUCT SIGNAL VIBRATION VIBRATION VIBRATION VIBRATION FERROUS NON-FERROUS FERROUS NON-FERROUS STAINLESS STAINLESS STEEL STEEL PHASE VALUE PHASE VALUE Fig 1 Phase/Amplitude Fig 3 Effects of Unwanted Signals The characteristic of the phase control circuit is as In general if operating the detector with any product shown in Fig 2.

  • Page 19: Features Of Your Metal Detector

    21 products falls into one of a few groups. means that the detector’s sensitivity must be reduced Safeline metal detectors allow the engineer to set up to eliminate the product signal entirely, and this in turn a reject mechanism/timer type once and associate leads to reduced performance.

  • Page 20: Quality Assurance Support (Option)

    FEATURES QUALITY ASSURANCE SUPPORT (OPTION) (Performance Validation Routines -PVR Serial Communications Two modes of detector operation, (QA Inspector mode The metal detector has a serial communication port. and QA Operator mode) help the user comply with ISO 9000 and BS5750, by ensuring that the metal The link is a two wire serial connection to allow detector system is tested and operating to the user's information to be transferred to and from the metal...

  • Page 21: Technical Specification

    TECHNICAL SPECIFICATION TECHNICAL SPECIFICATION Technology Temperature Range High frequency low power electromagnetic coil Operating -10 °C to +45 °C (14 °F to 110 °F) system - monitored and controlled by a microprocessor system. -10 °C to +50 °C (14 °F to 120 °F) Storage Frequency of Operation of Coil Humidity Range...

  • Page 22: Detect Signal

    TECHNICAL SPECIFICATION System Fault Relay (Optional Speed Sensor Requirements Volt-free changeover contacts that operate when the Operating voltage 15 Volts D.C. Reject Confirmation Unit signals a reject fault. Operating current 30 mA maximum Contact rating see Reject Relay. Output type NPN or PNP open collector (must be same as Detect Signal...

  • Page 23: Internal Counters

    TECHNICAL SPECIFICATION Internal Counters Timer Ranges Timer type tm1 Reiect Counter Counts reject relay operations, not the number of Type: Simple reject timer. detections, or the number of rejects. Reject time has a range of 50 ms to 60 s. Counter range 0000 to 9999 Timer types tm2 and tm2G This counter is resettable from the control panel.

  • Page 24: General

    INSTALLATION GENERAL Carefully study the following sections; a little care It is the effect of the leakage magnetic field on the taken during installation will avoid the detector’s surrounding metalwork that may influence the performance becoming severely impaired. detectors performance and can give rise to inconsistent performance.

  • Page 25: Construction Of The Detector Installation

    INSTALLATION Construction of the Detector Installation Electrical Connections The design and construction of the metal detector WARNING support framework will influence the performance of the detector. If the detector is supplied as part of a system, Follow the guidelines below to obtain the best read all the system literature before performance.
  • Page 26 INSTALLATION Fig 5 Typical Metal Detector Conveyor 4618 - 021...
  • Page 27 INSTALLATION Fig 6 Bearing Block And Mounting Foot Insulation Typically ≥ 100mm ≥ 150mm Fig 7 Belt Joints 4618 - 021...

  • Page 28: Electrical Installation

    CAUTION WARNING The following procedure should only be carried out by Ensure all power has been disconnected from the qualified Safeline personnel or qualified Safeline detector before attempting to work on any electrical agents. components of the detector. Removing the Power Supply Box Lid...
  • Page 29 INSTALLATION Fuse F1: 3.15 A (T) (On power supply module underneath the connections board) NOT A USER SERVICABLE PART Optional Reject-Confirmation-Unit circuit board 57 58 59 6 0 61 62 6 3 6 4 65 6 6 6 7 6 8 69 70 71 72 73 7 4 Fuse: 1.0 A (T) Electronic Fuse Conclamp and Gland Fitting...
  • Page 30 INSTALLATION RATINGS RECOMMENDED MAINS LEAD AREA 0.75 CONSTRUCTION 24 x 0.2 mm CURRENT RATING 6 AMP. COLOURS BROWN-LIVE, BLUE-NEUTRAL, GREEN/YELLOW-EARTH. RECOMMENDED CIRCUIT BREAKER DOUBLE POLE, CURRENT RATING 3 AMP OR 4 AMP, TYPE C CIRCUIT BREAKER TO BE MOUNTED CLOSE TO EQUIPMENT. RECOMMENDED FUSE RATING CURRENT RATING 4 AMP OR 5 AMP ANTI-SURGE (T).
  • Page 31 INSTALLATION Fig 10 Cable Gland Assemblies for Power Supply Unit 4618 - 021...

  • Page 32: Introduction

    INSTALLATION INTRODUCTION The Control Panel The metal detector control panel (see Figure 11) is the interface by which the user may observe and The detect indicator will remain illuminated until the control the metal detector’s performance. All of the signal from the LED bargraph is equal to or less than metal detector’s operating characteristics may be 10 green LEDs.

  • Page 33: The Touch Keys Explained

    OPERATING INSTRUCTIONS Combined use of this key and the Up/Down keys will The Page Display System enable adjustment of all the digits. There is a requirement to display more than the LCD NOTE:- can display at any one time. This key will only operate when the cursor bar is visible on the LCD display.
  • Page 34 OPERATING INSTRUCTIONS Entering security codes. To prevent unauthorized access to the detector all settings have to be performed from a different operating mode than the default Running Mode. To change to another operating mode the user must enter a four digit security code. The instructions below detail how to enter a security code.

  • Page 35: Changing Numeric Values

    OPERATING INSTRUCTIONS Changing Numeric Values Various settings in the program are stored as numbers, eg product number, sensitivity, etc. Numeric values can only be adjusted if a pointer is visible on the LCD display adjacent to the parameter to be adjusted and pointing toward the adjacent soft key.
  • Page 36 OPERATING INSTRUCTIONS INTRODUCTION TO THE GUIDES The following guides are intended to help users There are four guides: setting up a detector for the first time. a) Universal Settings Guide. The guides are written as a sequence of step-by-step This guide lists the settings which control various references to instructions in other sections of this operating characteristics of the detector.

  • Page 37: Universal Settings Guide

    OPERATING INSTRUCTIONS Universal Settings Guide Introduction The following settings affect the detector operation independent of the current product number. This guide should be the first guide used. NOTE NOTE All of the items below may be set whilst product All of the following items may be set from the number 0 is selected as the current product number.
  • Page 38 OPERATING INSTRUCTIONS 10) ‘Detection Buzzer’ on page 48. Set whether you want the internal buzzer to sound at detection. 11) ‘Reject Confirmation’ on page 49. If you are using the reject checking facilities of the detector. 12) ‘Automatic Tracking Setup’ on page 48. If you will be using the Automatic Tracking option, set up the universal settings for this feature.
  • Page 39 OPERATING INSTRUCTIONS Product Number Settings Guide Introduction This guide should be performed for each product type that will be monitored by the detector. The majority of products which have no product effect will operate on a single product number. This guide sets all product-dependant settings of the detector. NOTE NOTE All of the following items may be set from the...
  • Page 40 OPERATING INSTRUCTIONS Performance Validation Guide Introduction This guide will lead you through setting up the performance validation features of the detector. NOTE NOTE The ‘Universal Settings Guide’ should be used The ‘Product Number Settings Guide’ should be before this guide. used before this guide.
  • Page 41 OPERATING INSTRUCTIONS NOTE You have now set up the minimum requirements of a performance validation system. The following items will set up additional Performance Validation featiures. Select the operation of the output from the detector 5) ‘Alarm if DUE or OVERDUE’ on pages 71. that gives remote warning of a Performance Test becoming DUE or OVERDUE.
  • Page 42 OPERATING INSTRUCTIONS Speed change guide Introduction This guide details in a step-by-step manner all settings that may have to be changed if the speed of operation of the detector is changed. NOTE All of the following items may be set from the Engineer Mode of operation 1) ‘Product speed’...
  • Page 43 NOTE panel, and have worked through the universal settings guide as described in previous sections. The Safeline detector has the ability to store settings The product should be continually moving, the for 21 different product numbers. Each product detector will not operate with standing/stationary number represents a group of settings, the product in the aperture.
  • Page 44 OPERATING INSTRUCTIONS If a product signal is observable on bargraph Manual Setup for Non Product Effect display adjust the sensitivity control, Sens (page Applications 43),so that the peak signal from the product gives 3 to 4 bars on the bargraph display(s). Many products exhibit little or no product effect signal Refer to note 1) below.
  • Page 45 OPERATING INSTRUCTIONS 10) To find the null point, change the phase setting to The objectives of the following procedure is to 10° and observe if the amplitude of product establish the setting of phase which will align the signal indicated on the bargraph display reduces. phase control circuit with the product signal.
  • Page 46 OPERATING INSTRUCTIONS performance may be achieved by switching 16) Press the ‘Enter’ key to store the new settings in ‘Operating Frequency’ to LOW and repeating the memory. manual setup procedure, omitting step 4). 17) Test the sensitivity of the detector by passing Under these conditions, to ensure that the best metal samples through the aperture of the sensitivity is achieved, it is recommended that...
  • Page 47 OPERATING INSTRUCTIONS START Serial Number #### PROGRAM Ver #.### Model ### 'RECALL' PRESSED 5 SEC TIME - OUT PROD.## NAME..00 Safeline Ltd Pack Count ######## Reject Count #### Current Time##:## Next QA Test##:## PROD## SENS## PHASE##:## *NOTE If no QA test has been...

  • Page 48: Running Mode

    IMPORTANT NOTE The display opposite contains vital information that will always be requested when contacting Safeline. Make sure you have the above information to hand before telephoning. Serial Number - The serial number of your metal detector. Model # # # # # # - The right-most number indicates the stagger frequency of your module.

  • Page 49: Pack Count And Reject Count

    OPERATING INSTRUCTIONS Pack Count and Reject Count Pack count This value shows the number of items that have passed through the detector. This count is increased each time the external pack sensor detects a product passing. It can be reset when in the Supervisor or Engineer modes.
  • Page 50 OPERATING INSTRUCTIONS NOTE Auto.Setup feature and adjustment of sens and phase are only available if operator access is set to Full Fig 13 Operator Mode Flow Chart 4618 - 021...

  • Page 51: Operator Mode

    OPERATING INSTRUCTIONS OPERATOR MODE (Default security code = 0001) Introduction The following items can be set when in the Operator Please refer to Figure 13 for the complete sequence mode. of displays in the Operator mode. The Operator mode is intended for personnel who require to operate the detector in a very limited way NOTE but who are prohibited from altering any settings vital...
  • Page 52 OPERATING INSTRUCTIONS Fig 14 Supervisor Mode Flow Chart 4618 - 021...

  • Page 53: Supervisor Mode

    OPERATING INSTRUCTIONS SUPERVISOR MODE (Default security code = 0002) Introduction The following items can be set when in the Please refer to Figure 14 for the complete sequence Supervisors mode. of displays in the Supervisor mode. The Supervisor mode is intended for personnel who require to operate the detector in a very limited way NOTE but who are prohibited from altering any settings vital...

  • Page 54: Operating Frequency

    OPERATING INSTRUCTIONS Operating Frequency (Only available on Multi-frequency heads) HIGH Select this soft key to cause the current product number to operate at the higher of the two frequencies. LOW Select this soft key to cause the current product number to operate at the lower of the two frequencies. Select Timer Group Ensure you have read the ‘Introduction to timers’...
  • Page 55 OPERATING INSTRUCTIONS Fig 15 Engineer Mode Flow Chart 4618 - 021...

  • Page 56: Engineer Mode

    OPERATING INSTRUCTIONS ENGINEER MODE (Default security code = 0003) Introduction The configuration process should be performed by The Engineer’s mode gives access to all variables the engineer when first installing the detector. The and is used when first installing the metal detector or following items can be set when in the engineer’s when making changes to setup characteristics.

  • Page 57: Operating Frequency

    OPERATING INSTRUCTIONS Operating Frequency (Only available on Multi-frequency heads) This facility allows the performance of the detector to be optimised for different product types, and is selectable for each product number. The choice of setting, HIGH or LOW, depends on the size of the product effect signal being produced by the product being inspected.

  • Page 58: Select And Update Timer

    OPERATING INSTRUCTIONS Select and Update Timer CAUTION Ensure you have read the sections on timers in the Features section of the manual (see page 3). This display is used to either: Select which timer group the current product number should use. Select which timer group the current product number should use AND adjust the timer group settings such as timer type, delay time...

  • Page 59: Automatic Tracking (Option)

    OPERATING INSTRUCTIONS Automatic Tracking (option) Press the soft key adjacent to YES to enable Automatic tracking for the current product number. Press the soft key adjacent to NO to disable Automatic Tracking for the current product number. Note: Enabling Automatic Tracking for a product number that has Product Signal Cancellation already enabled will cause the Product Signal Cancellation feature to be disabled for the product number...

  • Page 60: Pack Sensor Setup

    OPERATING INSTRUCTIONS Reject inhibit (Version XT1.02 or Higher) WARNING DO NOT USE THIS FACILITY TO INHIBIT THE REJECT DEVICE DURING MAINTENANCE WORK. ALWAYS REMOVE THE POWER SUPPLY TO THE REJECT DEVICE BEFORE MAINTENANCE WORK IS STARTED. YES - Select YES to override the operation of the reject device during setting up operations.

  • Page 61: Speed Setup

    OPERATING INSTRUCTIONS Speed setup Press the soft key adjacent to Speed setup to enter the Speed setup menu. Refer to the Speed setup section for more information. Auto. tracking setup Press the soft key adjacent to Auto. tracking setup to enter the Auto.

  • Page 62: Boost Mode

    OPERATING INSTRUCTIONS Reject Confirmation (Option) The optional Reject Conformation Unit (RCU) confirms that the reject mechanism has operated at the correct time. YES - Select YES if you require Reject Confirmation NO - Select NO if the Reject Confirmation is not required.

  • Page 63: Set Date And Time (Option)

    OPERATING INSTRUCTIONS Set Date and Time (Option) SET DATE - Press the soft key adjacent to SET DATE to proceed to the SET DATE display SET TIME - Press the soft key adjacent to SET TIME to proceed to the SET TIME display. YEAR - Press the soft key adjacent to YEAR to adjust the year value.

  • Page 64: Automatic Setup

    OPERATING INSTRUCTIONS AUTOMATIC SETUP If a pack sensor is to be used with the detector, set up Introduction the pack sensor details before starting automatic setup - for certain products the use of the pack sensor The automatic setup feature may be used to will speed up the operation of automatic setup.
  • Page 65 OPERATING INSTRUCTIONS Notes On Passing Product Through the Detector NOTE The product should be continually moving, the detector will not operate with standing/stationary product in the aperture. To ensure that the detector is set up correctly and will operate satisfactorily during normal production, we recommend that the product used for automatic set up is passed through the detector in the worst case position and orientation which would occur during...

  • Page 66: Product Signal Cancellation

    OPERATING INSTRUCTIONS • A pack sensor must be used, (mounted as close Product Signal Cancellation to the detector as possible). • The products must pass through the detector with consistent orientation and position. NOTE • The products must be setup using the detectors automatic setup facility.
  • Page 67 OPERATING INSTRUCTIONS If product signal cancellation is required for the current product number select YES, else select NO. This display appears when automatic setup has finished. The display will be seen for a few seconds, and then will revert back to the display from which automatic setup was started.
  • Page 68 OPERATING INSTRUCTIONS This display will occur if the electrical signal produced by the product passing through the aperture was insufficient to guarantee the accuracy of the setting of the phase control. This display will occur if no product was passed through the detector when requested.
  • Page 69 OPERATING INSTRUCTIONS How to Manually Trim The Phase and/or 5) Now reduce the phase setting in steps of 0.2° i.e. Sensitivity 91.8°, 91.6°, 91.4°, 91.2°, etc. until the product effect signal is reduced to a minimum and then The objective of the following procedure is to ensure just starts to increase again.

  • Page 70: Vibration Setup

    OPERATING INSTRUCTIONS VIBRATION SETUP Introduction This menu is used to set-up the detector for optimum performance with any vibration present in the system. NOTE NOTE Remember to record all settings on the Settings When adjusting the sensitivity limit ensure that all Sheets at the rear of the manual.
  • Page 71 OPERATING INSTRUCTIONS Fig 16 Pack Sensor Mode Flow Chart 4618-021...

  • Page 72: Pack Sensor Setup

    OPERATING INSTRUCTIONS PACK SENSOR SETUP Photogated reject timers provide very precise and Introduction effective reject operations. For example, if a pusher reject is used to reject boxed product, photogating This facility provides automatic calibration of the pack ensures that the pusher hits the pack in the same sensor if installed.

  • Page 73: Pack Sensor Calibration

    OPERATING INSTRUCTIONS Pack Sensor Calibration Press the soft key adjacent to CALIBRATE to start the automatic calibration of the sensor. When the CALIBRATE soft key has been pressed one of two displays will appear, for a short time a) If the display opposite appears you will be returned to the previous display and the sensor will not be calibrated.
  • Page 74 OPERATING INSTRUCTIONS NOTE This flow chart shows the sequence when changing the Supervisor security code. The sequence is the same for the Operator, Engineer, QA Inspector and Viewing security codes. Fig 17 Security Setup Flow Chart 4618 - 021...

  • Page 75: Security Setup

    Introduction modes (i.e. Supervisor, Engineer, QA Inspector and Viewing). The Security Setup sub-routine can only be At Safeline metal detectors are shipped from the accessed from the Engineer Mode. factory with the following security codes pre- programmed.
  • Page 76 OPERATING INSTRUCTIONS Changing Security Codes Press the ETC key to step through the following four displays, Press the soft key adjacent to the required security code (i.e. OPERATOR, SUPERVISOR, ENGINEER, QA INSPECTOR or VIEWING If the soft key adjacent to SUPERVISOR is pressed the display opposite will appear.
  • Page 77 OPERATING INSTRUCTIONS When the last digit has been set press the ENTER key and the display opposite appears. Press the ENTER key if the number is correct, and return to the Engineer Mode. If the number is not correct press the RECALL key and carry out Steps 1) to 7) again.

  • Page 78: Speed Setup

    OPERATING INSTRUCTIONS SPEED SETUP Introduction Notes This menu is used to set-up the speed range and Any settings altered in this menu will affect product speed for the detector ALL of the product numbers. The performance of metal detectors may be improved The features Product Signal Cancellation and if a detector is able to focus in on a specific speed Automatic tracking are not available in the...
  • Page 79 OPERATING INSTRUCTIONS Product speed This display allows the speed of the product to be set either manually or automatically. Press the soft key adjacent to product speed to manually set the product speed. Press the ENTER key when finished. Press the soft key adjacent to Auto.Adjust to automatically set the product speed.

  • Page 80: Automatic Tracking Maximum Rate

    Remember to record all settings on the Settings display will also flash alternatively between the Sheets at the rear of the manual. 'Safeline ltd' and ''Auto. Tracking...' message to indicate that tracking has been enabled. Automatic tracking maximum rate This display is used to set the maximum amount that the phase is allowed to change between two succesive pack measurements.
  • Page 81 OPERATING INSTRUCTIONS Automatic tracking maximum span This display is used to set the maximum amount that the phase may change from its pre-set value. Press the soft key adjacent to Maximum span to change the maximum allowable change of phase. Press the ENTER key when the correct maximum span is showing Automatic tracking damping...
  • Page 82 OPERATING INSTRUCTIONS Fig 18 QA Inspector And Operator Flow Chart 4618 - 021...

  • Page 83: Qa Inspector Mode (Option)

    OPERATING INSTRUCTIONS QA INSPECTOR MODE (OPTION) (Default security code = 0004) Introduction The printer also records general information relating to the detector performance, it will date and time The performance validation routine (PVR) helps the stamp events such as rejections and changes made users comply with ISO 9000 and BS5750 by ensuring to the detector settings.

  • Page 84: Configuring The Performance Validation Routine

    OPERATING INSTRUCTIONS Configuring the Performance Validation Routine On entering the QA Inspector’s mode press the soft key adjacent to QA SETUP Line Identification This is a number that is printed near the beginning of all printouts. LINE ID - Use the cursor key and up and down keys to set the line identification number.

  • Page 85: Test Samples

    OPERATING INSTRUCTIONS Test Samples Press the soft key adjacent to the material type to select either a Ferrous, Non-Ferrous or Stainless Steel sample. Press the soft key adjacent to the mm and use the cursor key and up and down keys to set the required sample size.

  • Page 86: Shift Report Interval

    OPERATING INSTRUCTIONS Shift Report Interval The shift report can be automatically printed on a timed basis. This display allows the QA inspector to adjust the interval between printouts to a maximum interval of 24 hours 0 minutes. H - Press the soft key adjacent to H to adjust the hours value.

  • Page 87: Test Interval

    OPERATING INSTRUCTIONS Test Interval This display allows the QA inspector to set the time period between which the detector requests the QA personnel to carry out a performance check. At the time interval specified the message, ‘REQUEST FOR PERFORMANCE CHECK’ appears on the display.

  • Page 88: Alarm If Overdue

    OPERATING INSTRUCTIONS Alarm If Overdue An alarm output is available if a Performance Check becomes either due or overdue. DUE - Press the soft key adjacent to DUE if an alarm is required when a Performance Check is due. OVERDUE - Press the soft key adjacent to OVERDUE if an alarm is required when a Performance Check is overdue.
  • Page 89 OPERATING INSTRUCTIONS PRINT ALL SETTINGS - Press the soft key adjacent to PRINT ALL SETTINGS to obtain a printout of the current values of all the Engineer Mode and QA Inspector Mode settings. PRINT SHIFT REPORT - Press the soft key adjacent to PRINT SHIFT REPORT to obtain a printout of the stored entries from the start of the current shift.

  • Page 90: Qa Operator Mode

    OPERATING INSTRUCTIONS QA OPERATOR MODE Introduction The time that the next test will be requested is displayed in the Running Mode. Please see the Time This mode is for carrying out a performance section of the Running Mode for details. check of the detector, and thus provide immediate validation of the detector’s integrity.
  • Page 91 OPERATING INSTRUCTIONS Select Test Result The display shown opposite appears. a) If inspecting individual products place the pack on the conveyor and allow it to pass through the detector aperture without skewing or slipping. b) If inspecting continuous or loose product place the test sample on the conveyor belt, (or into the product flow), and allow it to pass through the detector aperture.
  • Page 92 OPERATING INSTRUCTIONS Fig 19 Viewing Mode Flow Chart 4618 - 021...

  • Page 93: Viewing Mode

    OPERATING INSTRUCTIONS VIEWING MODE (Default security code = 0005) Introduction Note: Viewing Mode enables the user to see all the settings In the Viewing Mode it is only possible to see product available in the Engineer Mode and the QA Inspector related settings, such as phase and sensitivities, for Mode, but does not allow any alteration of these the currently selected product number.

  • Page 94: Reject Timers Introduction

    OPERATING INSTRUCTIONS REJECT TIMERS INTRODUCTION NOTE Remember to record all settings on the Settings Sheets at the rear of the manual For applications with a greater than ±25% variation in Recommended Applications pack length or for those operating at different speeds it may be necessary to have different timer settings for Listed below are various types of reject mechanisms the different timer groups.
  • Page 95 OPERATING INSTRUCTIONS Positioning of pack sensor on gated timers à Position the pack sensor such that the beam from the pack sensor is at a 90° to the flow of the product along the conveyor. à The pack sensor may be positioned either side of the detector, however the packs must break the pack sensor’s beam before they reach the reject device...
  • Page 96 OPERATING INSTRUCTIONS FROM ENGINEER MODE Select Timer group GO BACK TO ENGINEER MODE Timer 'X' type Update ? GO BACK TO ENGINEER MODE SEE THE tm2 [G] MODE Timer tm2[G] type tm3[G] SEE THE GO BACK tm3 [G] TO ENGINEER MODE MODE tm1 REJECT TIME...

  • Page 97: Tm1 Timer

    OPERATING INSTRUCTIONS tm1 TIMER CAUTION NOTE Ensure you have read the REJECT TIMERS Remember to record all settings on the Settings Sheets at the rear of the manual. INTRODUCTION section on page 78 Introduction tm1 settings a) Reject Time The tm1 timer is used in applications requiring instant This is the time required by the reject device to rejection of contaminated products.
  • Page 98 OPERATING INSTRUCTIONS Press the soft key adjacent to tm1 Press the soft key adjacent to REJECT TIME 5) Use the cursor Up and Down keys to adjust the Reject Time to the required value. 6) Press the Enter key to accept the new settings. 7) Press the Enter key a second time to proceed to the next display.
  • Page 99 OPERATING INSTRUCTIONS FROM See fig 20 ENGINEER MODE IS CURRENT tm2 TIMER SELECTION GATED? Gated timer still required? tm2G SIGNAL DELAY ###ms REJECT TIME ###ms 'Enter' pressed tm2 Gated? ###ms tm2G SYNC DELAY WINDOW TIME ###ms tm2G SIGNAL DELAY ###ms REJECT TIME ###ms Timer 'X' type tm2[G] set/updated...

  • Page 100: Tm2[G] Timer - Non Gated Mode

    OPERATING INSTRUCTIONS tm2[G] TIMER - NON GATED MODE CAUTION NOTE Remember to record all settings on the Settings Ensure you have read the REJECT TIMERS INTRODUCTION section on page 78 Sheets at the rear of the manual. tm2 settings Introduction Signal Delay The tm2 timer when used in the non-gated mode is ideal for use with loose products where the reject...
  • Page 101 OPERATING INSTRUCTIONS If you only need to select the timer group for the current product number and not adjust any of the timer group properties then Select the soft key adjacent to NO, and go back to the Engineer Mode section. CAUTION Although NO was selected the group will be changed to the group letter selected in 1).
  • Page 102 OPERATING INSTRUCTIONS For loose products iii) Use the cursor Up and Down keys to adjust i) Place the metal contaminant on the centre the Signal Delay so that the reject device of the conveyor belt. operates just as the metal contaminant reaches it.
  • Page 103 OPERATING INSTRUCTIONS 10) The display shown opposite will appear for five seconds before returning to the Engineer Mode display. Testing the Reject Device. a) For packaged or separate products i) Check the setting of tm2 by passing the product and metal contaminant through the aperture of the detector.

  • Page 104: Tm2G Timer - Gated Mode

    OPERATING INSTRUCTIONS tm2G TIMER - GATED MODE CAUTION NOTE Ensure you have read the REJECT TIMERS Remember to record all settings on the Settings INTRODUCTION section on page 78 Sheets at the rear of the manual. tm2G settings Introduction Signal Delay This is the time taken for a metal The tm2G gated timer is used to give precise rejection of packaged or individual products.
  • Page 105 OPERATING INSTRUCTIONS In the following displays ‘X’ represents the timer group A, B or C as selected at step 1); tmxx represents the timer type that is If you only need to select the timer group for currently selected for this timer group. current product number and not adjust any of timer group properties then a) Select the soft key adjacent to NO, and go...
  • Page 106 OPERATING INSTRUCTIONS Press the soft key adjacent to SIGNAL DELAY a) Place the metal contaminant at the rear or trailing edge of the product package. b) Pass the product with the metal contaminant attached through the detector aperture, ensuring that the product does not slip or skew. c) Use the cursor Up and Down keys to adjust the Signal Delay so that the reject device operates just as the front edge of the pack reaches it.
  • Page 107 OPERATING INSTRUCTIONS 10) Ensure that the pack sensor beam is clear of any packs or products. 11) Select the soft key adjacent to WINDOW TIME. The display will show ‘-RUN-’. 12) Pass the product sample through the pack sensor beam, ensuring that it does not skew or slip on the conveyor.
  • Page 108 OPERATING INSTRUCTIONS 18) Press the soft key adjacent to REJECT TIME. a) Place the metal contaminant at the front or rear edge of the product package. b) Pass the product with the metal contaminant through the detector aperture, ensuring that the product does not slip or skew.
  • Page 109 OPERATING INSTRUCTIONS FROM See fig 20 ENGINEER MODE IS CURRENT tm3 TIMER SELECTION GATED? Gated timer still required? tm3G SIGNAL SHIFT ###ms REJECT SHIFT ###ms 'Enter' pressed tm3 Gated? tm3G SYNC SHIFT ###ms WINDOW SHIFT ###ms tm3G SIGNAL SHIFT ###ms REJECT TIME ###ms Timer 'X' type tm3[G] set/updated...

  • Page 110: Tm3[G] Timer - Non Gated Mode

    OPERATING INSTRUCTIONS tm3[G] TIMER - NON GATED MODE CAUTION NOTE EXPLANATORY NOTE Ensure you have read the REJECT TIMERS The tm3 and tm3G timer modes continually refer to INTRODUCTION section on page 78 terms such as 'SIGNAL SHIFT', 'REJECT SHIFT', 'SYNC SHIFT' etc.
  • Page 111 OPERATING INSTRUCTIONS In the following displays ‘X’ represents the timer group A, B or C as If you only need to select the timer group for the selected at step 1); tmxx represents the timer type that is currently current product number and not adjust any of the selected for this timer group.
  • Page 112 OPERATING INSTRUCTIONS For loose products i) Place the metal contaminant on the centre of the conveyor belt. ii) Pass the product with the metal contaminant attached through the detector aperture. iii) Use the cursor Up and Down keys to adjust the Signal Shift so that the reject device operates just as the metal contaminant reaches it.
  • Page 113 OPERATING INSTRUCTIONS 10) Press the soft key adjacent to NO 11) The display shown opposite will appear for five seconds before returning to the Engineer Mode display. Testing the Reject Device. For packaged or separate products i) Check the setting of tm3 by passing the product and metal contaminant through the aperture of the detector.
  • Page 114 OPERATING INSTRUCTIONS b) For loose products i) Check the setting of tm3 by passing the product and metal contaminant through the aperture of the detector. ii) Check the reject device operates correctly with the metal contaminant at different positions on the conveyor belt. iii) Check the reject device operates correctly with different sizes of metal contaminant.

  • Page 115: Tm3[G] Timer - Gated Mode

    OPERATING INSTRUCTIONS tm3[G] TIMER - GATED MODE CAUTION tm3G settings Signal Shift Ensure you have read the REJECT TIMERS This is the number of speed sensor pulses taken INTRODUCTION section on page 78 for a metal contaminant to travel from the metal detector to the reject device.

  • Page 116: Setting Up Timer Type Tm3G In Gated Mode

    OPERATING INSTRUCTIONS In the following displays ‘X’ represents the timer group A, B or C as Setting up timer type tm3G in gated mode selected at step 1); tmxx represents the timer type that is currently selected for this timer group. The display opposite may be used to either: 1) Select which timer group the current product number should use,...
  • Page 117 OPERATING INSTRUCTIONS If the display opposite appears, press the soft key adjacent to NO. else Proceed to step 5). Set the product line to its mid range speed. Press the soft key adjacent to SIGNAL SHIFT. a) Place the metal contaminant at the rear / trailing edge of the product.
  • Page 118 OPERATING INSTRUCTIONS 10) Press the soft key adjacent to YES. 11) Ensure that the pack sensor beam is clear of any packs or products. 12) Select the soft key adjacent to WINDOW SHIFT. The display should show ‘-RUN-’. 13) Pass the product sample through the pack sensor beam, ensuring that it does not skew or slip on the conveyor.
  • Page 119 OPERATING INSTRUCTIONS 16) Select the soft key adjacent to the SYNC. SHIFT. When the Sync. Shift is selected the detect led will be lit and the buzzer will sound permanently. a) Pass the product with the metal contaminant through the detector aperture, ensuring that the product does not slip or skew.
  • Page 120 OPERATING INSTRUCTIONS Testing the Reject Device. a) Check the setting of tm3G by passing the product and metal contaminant through the aperture of the detector. b) Check the reject device operates correctly with the metal contaminant at both the front and rear of the pack c) Check the reject device operates correctly with different sizes of metal contaminant.
  • Page 121 OPERATING INSTRUCTIONS REJECT CONFIRMATION UNIT The RCU achieves this by knowing when the Reject Introduction Mechanism is to be activated and deactivated. Following reject deactivation the RCU waits for a The Reject Confirmation Unit (RCU) on loose product signal generated via the Reject Mechanism or the applications confirms that the reject mechanism has rejected product to confirm reject operation.
  • Page 122 OPERATING INSTRUCTIONS Timer Type - tm3 and tm3G The detector needs to be told the time taken for a contaminated product to travel from the centre of the detector aperture to entering the reject bin. This period plus a small safety margin is known as the RC Window time and must be entered by the user.
  • Page 123 OPERATING INSTRUCTIONS Repeat step 6) and 7) until the detector signals no fault condition. Packaged Product, Variable Speed Applications Loose Product, Variable Speed Applications Set the line speed to its slowest speed. Set the line speed to its slowest speed. From the running mode display press PROG/EXIT key.
  • Page 124 OPERATING INSTRUCTIONS RCU Fault Reporting. The Module will display one of two RCU fault conditions. The fault displays will be shown from the running mode display only, and will not prevent the Module from operating. To draw attention to the problem the buzzer will be driven.

  • Page 125: Speed Sensor For The Tm3 And Tm3[G] Timers

    OPERATING INSTRUCTIONS SPEED SENSOR FOR THE TM3 AND TM3[G] TIMERS Speed Sensor Requirements Speed Sensor Electrical Connections The speed sensor may be: Refer to the Installation section. A purpose bought item, known as a Rotary Connect the sensor to the terminals labelled Speed Encoder, Sensor.

  • Page 126: Disc Construction

    APPENDIX A Both proximity and photo-electric devices are (see Figure A-3 below), follow these steps. available in a slot sensor type construction, which can be mounted to sit astride the disk. If this technique is used the disk should be slotted rather than drilled. Disc Construction The disk diameter and number of holes/slots can be determined when the required shift distance of the...
  • Page 127 APPENDIX A If your maximum conveyor speed exceeds this limit then choose the next point up, where in our example the shift distance is 19 mm. At this point distance d still lies within limits, and we have an improved maximum conveyor speed at the expense of a larger shift distance.

  • Page 128: Setting Up And Connecting A Printer To The Metal Detector

    APPENDIX A SETTING UP AND CONNECTING A PRINTER TO THE METAL DETECTOR General The serial communication parameters of your printer must be setup as follows: Information transmitted by the metal detector may be transferred directly to paper by using a printer. Baud rate : 9600 Alternatively it may be collected by other types of...

  • Page 129: Connection Of Printer To Detector

    APPENDIX A Connection of Printer to Detector NOTES Certain printers do not require CTS, DSR or DCD to be at active levels. However it is accepted good practice to connect these signals together as shown. The printer pin numbers shown are for an RS232 25-way D-type connector - if your printer uses a 9 way D- type connector consult the printer manual for the correct pin numbers.

  • Page 130: Sample Printed Reports

    APPENDIX B SAMPLE PRINTED REPORTS Note: Individual printouts will vary according to the settings stored in the metal detector Metal Detector Current Settings Printout ** SETTINGS** 000.00 000.00 Date Time 000.00 01 Feb 96 13:41:47 000.00 000.00 Serial No ; 0000 000.00 Machine ID ;...
  • Page 131 APPENDIX C Printout (Continued) QA Settings Printout * QA Settings * Timer Group Line ID ; 0000 Type ; TM2 Printer ; YES Reject Time ; 100ms Printer ; FIXED Sig Delay ; 200ms Relay Rpt ; YES Settings Rpt ;...
  • Page 132 APPENDIX C Shift Report Printout ** SHIFT REPORT START ** Date Time Line ID ; 0000 21 Oct 95 10:25:15 Date Time 21 Oct 95 10:30:15 Prod No ; 02 Sens ; 185 *Reject Relay Operated* Timer Reject Inh ; YES Date Time 21 Oct 95...
  • Page 133 APPENDIX C Performance Check Printout * Performance Check * Date Time 21 Jan 95 10:45:00 Line ID ; 0205 Operator ; QA INSPECTOR Prod No ; 01 Sens ; 156 Phase ; 05.00 Timer Material; FERROUS Size ;1.5mm Dtection ; YES Reject Rly ;...

  • Page 134: Metal Detector Serial Communications Link

    APPENDIX D METAL DETECTOR SERIAL COMMUNICATIONS LINK Introduction This link is a three wire serial connection allowing information to be transferred to and from the detector. Via the link it is possible for a host to monitor and change the detector settings, using a predefined set of commands. The information obtained in this way may be used for Quality Control and Assurance records.
  • Page 135 APPENDIX D All data is represented as ASCII characters. Application layer specification (OSI layer 7 The application layer operation can be split into various types of messages :- 1. Event driven messages. These messages are prompted by an event occuring inside the detector. These events can be one of the following list and are given in their order of priority when passed to the data-link layer for transmission :- a) Faults, extended faults (see command identifiers ‘e’...

  • Page 136: Valid Message Identifiers

    APPENDIX D Valid message identifiers Table D-1 Table of identifiers Command Direction Description Type ‘A’ m Bargraph reading m = A signed number representing the value being sent to the bargraph of the detector. A four digit number in the range [±0..2047].
  • Page 137 APPENDIX D Command Direction Description Type ‘e’ n ‘,’ o Extended-fault codes n : A sum of some of the following numbers when the extended- faults are present. 0 : No extended-fault reported , ( transmitted when last extended-fault clears, or on request with the ‘e?’ identifier if no extended-faults are present).
  • Page 138 APPENDIX D Command Direction Description Type ‘F’ n Fault Codes n : A sum of some of the following numbers when the faults are present. 0 : No faults reported , (transmitted when last fault clears, or on request with the ‘F?’ identifier if no faults are present).
  • Page 139 APPENDIX D Command Direction Description Type ‘h’ n in/out Power-on / Reset flag n = 0 : Flag is reset n = 1 : Flag is set. Note. This flag is set immediately after reset or power-on and is only reset by the host sending the command, ‘h0’. ‘h?’...
  • Page 140 APPENDIX D Command Direction Description Type ‘P’ n in/out Product Number. n = The value of the detectors product number. A two digit number, with leading zeroes, in the range [0...20]. ‘P?’ Current product number ? ‘Q’ --------- SEE LATER FOR DETAILS OF IDENTIFIER ‘Q’ ‘q’...
  • Page 141 APPENDIX D Command Direction Description Type ‘T’ t ‘,’ n ‘,’ r ‘,’ d in/out Timer Settings ‘,’ p ‘,’ w t = Timer group t = 0 : timer group A t = 1 : timer group B t = 2 : timer group C n = Timer type n = 0 : Timer type tm1 n = 1 : Timer type tm2...
  • Page 142 APPENDIX D Command Direction Description Type ‘Y’ n ‘,’ t Window timer calibration n = 1 : Start the window time calibration t = Timer group t = 0 : timer group A t = 1 : timer group B t = 2 : timer group C ‘Y’...
  • Page 143 For customers wishing to control our product via serial link only (without a local Man Machine Interface fitted to the detector), Safeline recommends to implement an additional set of commands, to ensure full access to factory settings. This need may arise, if the original factory setting needs to be adjusted or reset.

  • Page 144: Commands The Host Can Transmit

    APPENDIX D Command Identifier - ‘b’ Automatic setup Procedure The Automatic setup procedure can be started remotely by the host or from the front panel keypad, in either case the front panel display and the communications commands would be in synchronisation. If the host starts the Automatic setup procedure remotely, with the commands given below, then the display will operate just as if the Automatic setup procedure had been started from the front panel keyboard.
  • Page 145 APPENDIX D Changing the frequency Obtaining product please wait... information 1... Obtaining product Ensure NO product is information 2... passing through aperture. Pass product through Setup without the aperture... additive Product signal too large Setup with the please wait... additive. Repeat the tests with an additive? please wait...

  • Page 146: Command Identifier - 'E' Error Codes

    APPENDIX D Command Identifier - ‘E’ Error Codes In the case of an error in a received message being decoded at the detector, an error message would be returned to the host. This message would take the following form :- ‘E’...
  • Page 147 APPENDIX D Command Identifier - 'j' Automatic sensitivity limit procedure The Automatic sensitivity limit procedure can be started remotely by the host or from the front panel keypad, in either case the front panel display and the communications commands would be in synchronization. When the host starts the Automatic sensitivity limit procedure remotely, with the command 'j1'given below, then the display will operate just as if the Automatic sensitivity limit procedure had been started from the front panel keyboard.

  • Page 148: Command Identifier - 'Q' Qa Lists And Displays

    APPENDIX D Command Identifier - ‘Q’ QA Lists and Displays All QA relevant displays (see ‘QA Operator Mode’ and ‘QA Inspector Mode’ flowcharts in the manual) will be represented as a separate subseries from the main protocol letters. The elements of the subseries would be identified by a number corresponding to the numbered position in the flowcharts mentioned.
  • Page 149 APPENDIX D Command Direction Description Type ‘Q15,’ h ‘,’ m in/out Shift Report Interval Time h = Two digit number, of the hour, in the range [0..24]. m = Two digit number, of the minute, in the range [0..59]. Maximum shift report interval time is 24:00 ‘Q15?’...
  • Page 150 APPENDIX D Command Identifier - 'z02' Automatic product speed procedure The Automatic product-speed procedure can be started remotely by the host or from the front panel keypad, in either case the front panel display and the communications commands will be in synchronization. When the host starts the Automatic product-speed procedure remotely, with the command 'z02,1' given below, then the display will operate just as if the Automatic product-speed procedure had been started from the front panel keyboard.
  • Page 151 APPENDIX D Notes During an automatic product-speed procedure, initiated by the host, the transmission of the bargraph and detection messages ('A'n and 'R'n), will be suppressed. After completing the automatic product-speed, these messages will be resumed if they had been enabled prior to commencing the automatic productspeed. The command 'z02, 1' cannot be sent if either Automatic Setup or Automatic sensitivity limit is running.

  • Page 152: Emulation Mode

    APPENDIX D EMULATION MODE Objective To generate a facility, which allows the remote control of the metal detector via the existing serial link. The remote MMI will be a ‘look a like’ of the local key panel, using the same display area as the LCD display (2 x 24 chars) and a copy of all the keys present on the local key panel.
  • Page 153 APPENDIX D 1, 2 Command Direct Description Notes ‘z22’ n Key pressed command Normal & fast n = U: Up key emulation n = D: Down Key mode n = L: Left key n = E: Enter key n = X: Recall key n = M: Menu key n = S1: Soft key #1 n = S2: Soft key #2...
  • Page 154 APPENDIX D • ‘z16’ command (timing for fast emulation mode) This command has two parameters (min. and max) and is only used for fast emulation mode. min = min gap time between messages (ms), default 20ms. This time is used by the metal detector, if a change to the screen message was detected.
  • Page 155 APPENDIX D Screen package format: The z20 command encodes a complete display update into a single, fixed length packet. The data is base64 encoded and needs decoding before use. As sent over the wire the packet format is: z20,payload where payload = 72 bytes of base64 data. After decoding the payload format is: Offset Size (bytes)
  • Page 156 APPENDIX D The soft character map is shown below. Index Unicode Char Safeline Description 0x00C6 Æ SOFT_AE 0x00C0 À SOFT_AGRAVE 0x00C4 Ä SOFT_AUMLAUT 0x00E6 æ SOFT_ae 0x00E0 à SOFT_aGRAVE 0x00E1 á SOFT_aACUTE 0x00E4 ä SOFT_aUMLAUT 0x00E8 è SOFT_eGRAVE 0x00D1 Ñ...
  • Page 157 APPENDIX D • ‘z22’ command The single parameter transmitted with this command represents the pressed key. n = U: Up key n = D: Down Key n = L: Left key n = E: Enter key n = X: Recall key n = M: Menu key n = S1: Soft key #1 n = S2: Soft key #2...

  • Page 158: Crc Generation

    APPENDIX D CRC GENERATION A sixteen bit cyclic redundancy code ( CRC ) is used in preference to the more common checksum technique to minimize the possibility of the detector responding to a corrupted transmission. Method A sixteen bit CRC accumulator is used, the data being transmitted over the link is four bytes of ASCII encoded hexadecimal with no leading zero suppression.

  • Page 159: C Program

    APPENDIX D C Program Straightforward, non-optimized CRC-CCITT routine. Assumes 16-bit integer variables. MSB of integer is MSB of CRC result. #define POLY 0x8408 /* Polynomial */ void main(void) unsigned int crc; crc = 0xffff; printf("crc of 'T' is 0x%x\n", bytecrc("T",&crc) ); crc = 0xffff;...

  • Page 160: Timing Diagrams For Serial Communications

    APPENDIX D TIMING DIAGRAMS FOR SERIAL COMMUNICATIONS Fig 27 D-1 Host Query of Detector , (causes change in value of detector variable) Fig 28 D-2 Host Command type 1 , (causes NO change in value of detector variable) Fig 29 D-3 Host Command type 2 4618-021...
  • Page 161 SETTINGS SHEET Fig 30 D-4 Event Occurence inside detector Table D-4 Absolute maximum timings Time Minimum Maximum (ms) (ms) ∞ 4618 - 021...
  • Page 162 APPENDIX D Fig 31 Event driven message interrupting normal ack/nak response to the host HOST DETECTOR Event (E.g. Detection, fault) T0, 1, 55, ... Dnnn,xxx Event Host command and message detector response. 4618-021...

  • Page 163: Magnetic Loops

    SETTINGS SHEET MAGNETIC LOOPS The design and Construction of the metal detector The conveyor frame itself should be of welded support framework can influence the performance of construction rather than bolted sections. A welded the detector. construction is an example of a permanently closed loop.
  • Page 164 APPENDIX D Record all your settings here, (use the Viewing Mode and Engineer Mode). Note in the table below items marked with an asterix, *, are optional items that may not be fitted in your detector. Detector Details Notes Serial Number Model Software Version Product Details...
  • Page 165 SETTINGS SHEET Timer Groups Setup Group Type Sensitivity limit Q.A. Setup Frequency Sensitivity limit Line id* Printer* Printer* Reject relay operations* Sample Sizes Modified settings* Shift report interval* Ferrous Non Ferrous Stainless Steel Shift report start* Test interval* Overdue period* Alarm if due/overdue* Distributor use only Com1...

  • Page 166: Recommendations For The Use Of Inverters

    Do attempt to install, operate, maintain or inspect the inverter until you have read through the instruction manual supplied with the inverter. Safeline use Mitsubishi as our supplier of inverters, we know this works well with the metal detector and we have carried out extensive tests to meet the requirements of the CE regulations.

  • Page 167: Atex Directive

    (Applicable only if ATEX option is ordered) ATEX DIRECTIVE • This product complies with the ATEX Category as stated on the ATEX system label shown below. • A static hazard may exist – Do not clean non-metallic parts with a dry cloth. •...

  • Page 168: Atex System Label

    (Applicable only if ATEX option is ordered) ATEX system label Montford St. Salford METAL DETECTION England System Identifier Year of Manufacture Model IP Rating System Rating 110 120 220 230 240 Voltage/Spannung/ Tension/Voltaje 400 415 440 Phase/Phase/Phase/ Fase Ø Ø Frequency/Frequenz Fréquence/Frecuencia 300 600 1K...

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