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Page 9

User Guide

Signal  Processor

LMG AE

          

WARNING

 

Risk of electric shock. Refer to the processor Service Manual 

before removing the rear panel screws.
Ensure that the a.c. mains input is disconnected before 

removing the rear panel of the processor.

2.2 Electrical Connections

The electrical connections to and from the processor are all made via 

connectors on the rear panel of the processor. Fig. 4 shows the location of 

the connectors.

Содержание Landmark Graphic AE

Страница 1: ...Signal Processor Copyright 2016 Land Instruments International User Guide Issue 4 29 November 2016 Publication N 198 234 Language English LMG AE...

Страница 2: ...e user documentation supplied before installing and operating the equipment The safety of any system incorporating this equipment is the responsibility of the assembler Protective Clothing Face and Ey...

Страница 3: ...ent damage during transit You must include a written report of the problem together with your own name and contact information address telephone number email address etc Design and Manufacturing Stand...

Страница 4: ......

Страница 5: ...in the Menu System 31 3 4 Configuring Constants for AET AQT Thermometers 33 3 4 1 Constant ranges for AET AQT 35 3 4 2 Explanation of Constants 35 3 5 Configuring for ABT S Thermometers 37 3 5 1 Guida...

Страница 6: ......

Страница 7: ...r you to operate a LAND Landmark Graphic AE processor Basic information regarding installation of the processor is also contained in the Installation Guide More detailed information regarding servicin...

Страница 8: ...tion processing options for each thermometer input Current and voltage retransmission outputs Power supply for processor and thermometer s The processor s capabilities can be enhanced with several opt...

Страница 9: ...s Up to 10 characters Outputs 1mV and 0 to 20 or 4 to 20mA selectable 5 steps 100 min span Output update 10ms Emissivity 0 050 to 1 000 in 0 001steps Note below 0 200 system operation is unspecified a...

Страница 10: ...e when utilising the AET and AQT Input Cards 1 mV output 2 Peak picking 3 Valley picking Landmark Graphic AE AET AQT Input Card Specifications Inputs 2 x 10 volt inputs AET AQT Accuracy 0 3 of FSR Dis...

Страница 11: ...screws and a clamp bar for Retransmission output connection 5 2 way plug for command input connection 6 3 way appliance connector rewireable for power input cable 7 One 2 5mm flat bladed screwdriver...

Страница 12: ...be mounted into an instrument panel The overall installation dimensions of the processor are given in Fig 2 Processor front bezel 144mm 5 7in Processor front bezel 192mm 7 6in Protection cover 206mm...

Страница 13: ...ale or falling to the bottom of the signal range i e down scale The processor is supplied fitted for up scale operation The mode of operation is set by means of a link on each input board fitted To ga...

Страница 14: ...s into their channels and push them up to touch the mounting panel 6 Insert and tighten the retaining screws until the mounting panel is firmly gripped between the processor front panel and the clamp...

Страница 15: ...re removing the rear panel screws Ensure that the a c mains input is disconnected before removing the rear panel of the processor 2 2 Electrical Connections The electrical connections to and from the...

Страница 16: ...1 2 3 4 5 6 1 2 1 2 3 4 5 1 2 3 4 5 6 7 9 10 1 2 3 4 5 6 1 2 1 2 3 4 5 1 2 3 4 5 6 7 9 10 1 2 3 4 5 6 1 2 1 2 3 4 5 1 2 3 4 5 6 7 9 10 A B C D 1 Alarm output 7 AC power input 2 Command input 8 RS 232C...

Страница 17: ...The command input can be controlled via a remote switch as shown in Fig 7 or via potential free contacts as shown in Fig 8 NOTE Each alarm is designed to be fail safe i e if there is a loss of power...

Страница 18: ...n Where 3 0V Switch Open 1 5V Switch Closed NOTE Potential free contacts can be replaced by voltage Vin Where 3 0V Open Circuit 1 5V Closed Circuit Function Peak Picker Track Hold Valley Picker Switch...

Страница 19: ...To gain access to the link the back panel of the processor must be removed 1 Refer to Fig 10 unscrew the four screws A on the back panel of the processor 2 Slide the I O board out of the rear of the...

Страница 20: ...t drive Current output return Screen Emissivity output drive Emissivity output return OUTPUT Function Load Description THERMOMETER ALARMS 100 120V 200 240V 50 60Hz 35VA MAX T 1A 250V RS 232C RS 485 1...

Страница 21: ...E Fig 11 Location of up scale down scale selector on the input output I O p c b S4970077 U26 C49 C10 C25 D5 D6 U7 R25 D4 C13 R23 R24 Infrared U28 U8 R54 CON 1 C46 R55 U25 C43 R20 C44 U23 C45 U22 R44 C...

Страница 22: ...1100 F 0 to 1100 C 30 to 2000 F 0 to 1600 C 30 to 3200 F 2 2 4 Thermometer input output connection schedule The thermometer input output connection schedules are given in Fig 12 and 13 Fig 12 System...

Страница 23: ...Processor e g maths function serial comms refer to the User Guides supplied with the particular option Fig 13 AET AQT thermometer cable connection schedules 234013 Pin N Thermometer output 1 2 3 4 5 6...

Страница 24: ...up the connector 1 Make a note of the connector s orientation in the rear panel of the processor 2 Unclip the two halves of the connector shell to reveal the terminal block and the cable tie clamp ba...

Страница 25: ...o wire up the connector 1 Make a note of the connector s orientation in the rear panel of the processor 2 Wire up the connector remembering the correct orientation of the plug in accordance with the r...

Страница 26: ...Page 20 Signal Processor User Guide LMG AE Keep wire length as short as possible 10 1 Fig 14a Correct AET AQT Thermometer cable connector wiring arrangement 234014a...

Страница 27: ...power input plug wiring schedule 234015 2 5 a c Power Input Plug A rewireable a c power input plug is supplied with the processor which will accept any mating IEC connection The plug complies with BS...

Страница 28: ...or use with that thermometer Electrical connections to and from the processor are made on the rear panel The temperature measurement system i e processor and thermometer is configured via the processo...

Страница 29: ...CHANNEL A CHANNEL B CHANNEL C CHANNEL D MULTI CHANNEL DISP QUICK KEY LOCKS EXIT SAVE CHANGES DISCARD CHANGES RS 232 RS 485 OFF EVEN ODD TYPE MODE THRESHHOLD ON DELAY OFF DELAY DECAY RATE RESPONSE TIME...

Страница 30: ...Tmid Tspan Tmax Tmin TIMESPAN RETURN CHANNEL A CHANNEL B CHANNEL C CHANNEL D MULTI CHANNEL DISP QUICK KEY LOCKS EXIT SAVE CHANGES DISCARD CHANGES RS 232 RS 485 OFF EVEN ODD TYPE NONE RESPONSE TIME RET...

Страница 31: ...isplay will be similar to that shown in Fig 19 To access the configuration menus and set up your system to your particular requirements press the ENTER key The processor display will now be similar to...

Страница 32: ...Page 26 Signal Processor User Guide LMG AE Fig 20 Access code display 234020...

Страница 33: ...ayed See Fig 21 Fig 21 shows the Main Configuration Menu for a processor connected to four thermometers and fitted with a serial communications card Your system may differ from this dependant upon the...

Страница 34: ...uration Menu for the item you selected from the Main Configuration Menu will now be displayed Fig 22 shows the Channel A Configuration Menu for an ABT S thermometer same menu as for a standard System...

Страница 35: ...ptions available for each main item in the Configuration Menu Active Menu Denoted by blue text on a white title bar Inactive Menu Denoted by white text on a blue title bar Cursor When the cursor is a...

Страница 36: ...Guide LMG AE 4 5 6 7 1 2 3 Fig 23 General Configuration Menu components 234023 1 Main menu 5 Active title bar white background 2 Cursor 6 Note area shows available options 3 Sub menu 7 Help Bar 4 Inac...

Страница 37: ...R key The NOTE area at the bottom of the sub menu gives the range of available settings for the selected item 4 The cursor will now become a BLOCK Use the UP and DOWN keys to select the required value...

Страница 38: ...nd DOWN keys to move the ucursor to the EXIT option and press the ENTER key The EXIT sub menu is displayed and you are given the choice of either saving or discarding any changes you have made to the...

Страница 39: ...ernatively the currently selected thermometer type may be displayed NOTE The emissivity non greyness menu option has now been replaced with the Constants menu option Pressing the ENTER key will now al...

Страница 40: ...Page 34 Signal Processor User Guide LMG AE Fig 25 AET AQT Constants Calibrate Mode 234025 Fig 26 AET AQT Constants Measure Mode 234026...

Страница 41: ...e to a surface thermocouple reading in case of an unusual highly cavitated section which could produce a very high emissivity reading This might occur because of many inter reflections within the inte...

Страница 42: ...ations of alloying elements Other than for such unusual alloys this parameter should be left at the factory default setting of 0 Constants C and D processor parameters H6 and H7 are the wavelength tri...

Страница 43: ...e channel previously configured for ABT S Enter that channel and select the Snap Shot display option The following parameters will need to be configured for Snap Shot a Display range Tmax and Tmin b I...

Страница 44: ...tings The unit is now configured for Snap Shot operation The unit will now display either the single or multi channel Snap Shot display depending upon the earlier configurations see Fig 27 and 28 for...

Страница 45: ...n use to pass the optic head and select the shortest interval length that can accommodate this Set temperature range 320 C to 520 C is a good initial set up The number of pre trigger samples up to 25...

Страница 46: ...the nose and tail areas of the billet to provide a taper estimate A 7 offset is a good first guess for both cursors DO NOT position the cursors on the very steep rising and falling edges of the bille...

Страница 47: ...rements default 1 5s Threshold IRT Tmin to IRT Tmax in 1 increments default IRT Tmin Pre trigger 0 to 25 in increments of 1 default 1 Cursor 1 0 to 25 in 1 increments default 0 Cursor 2 0 to 25 in 1 i...

Страница 48: ...or to the actual threshold being crossed Cursor 1 1 This parameter allows the user to select a point which will be used as the primary measurement point for the dT calculation Cursor 2 2 This paramete...

Страница 49: ...most frequently 3 6 1 Emissivity Quick key Pressing the key opens up the emissivity menu see Fig 29 NOTE Channels containing AET or AQT I O cards cannot have their emissivity values adjusted The emis...

Страница 50: ...Page 44 Signal Processor User Guide LMG AE 3 6 2 Alarm Quick key Pressing the key opens up the alarm menu see Fig 30 Fig 30 Alarms menu 234030...

Страница 51: ...splay menu see Fig 31 NOTE The function of each quick key can be locked i e pressing the quick key accesses the relevant menu but adjustment of the settings is prevented This feature is useful in prev...

Страница 52: ...erature falling below the threshold level and the Peak Picker function switching off In Hold mode at the end of the OFF delay the temperature output value is held constant until the temperature input...

Страница 53: ...of Peak Picker time function 234032 Fig 33 Typical output of Peak Sample function 234033 ON Delay Threshold level OFF Delay Adjustable decay rate Reset mode Hold mode Temp Temp Time Time ON delay Pro...

Страница 54: ...ct When the object moves from the measurement area the Track function can be switched off and the temperature value held until the next hot object appears The Track and Hold function function is contr...

Страница 55: ...ature input The averager response can be adjusted to suit your application With a fast response speed the temperature output signal tracks the input signal closely any rapid fluctuations in the input...

Страница 56: ...t peak value Threshold level Temperature below which the Valley Picker is active used in conjunction with on off delays ON OFF delay See Peak Picker Recovery rate A user adjustable rate at which the s...

Страница 57: ...age 51 User Guide Signal Processor LMG AE Fig 37 Typical output of Valley Sample function 234036a IRT max Time adjustable interval 10 250 seconds Threshold Temp Valley Sample Output Temperature Signal...

Страница 58: ...om two independently configured thermometer channels and a remote on line linear scaled speed sensor channel The System requirements are that three I O channels plus a Maths Card must be fitted The la...

Страница 59: ...e Maths Card The quench rate maths function uses the following calculation Quench Rate C s or F s Thermometerprimary Thermometer secondary T Where Quench rate the average rate of cooling of the sectio...

Страница 60: ...s in 10 s increments Alarm limits 0 to 100 0 s in 0 1 s increments Alarm mode High or Low The resulting Quench rate will be calculated displayed and output in the range 0 to 100 s in 0 1 s increments...

Страница 61: ...ic Quench rate is to be used If fitted the on line speed input channel must be the last channel installed and configured i e channels C or D The remote on line linear speed sensor s 4 to 20mA output m...

Страница 62: ...tion option and use the or to select the Quench A option The following screen will now be displayed Now allocate the individual measurement channels to the Quench A maths function in the correct order...

Страница 63: ...0 s in 10 s increments default 100 s AF1 Mode Maths function alarm mode can be either high or low default low Level Alarm level for Quench rate can be set from 0 0 s to 100 0 s in 0 1 s increments Hav...

Страница 64: ...3 00 m s in 0 01 steps or 0 01 to 9 99 ft s in 0 01 steps All other parameters are configured in exactly the same way as detailed in Section 4 5 5 If all was configured correctly then either configur...

Страница 65: ...ia the serial port Fig 41 Function 1 Quench M Display Parameter Mnemonic Range Distance MD1 10 2000 in increments of 1 Speed MV1 1 300 in increments of 1 or 1 999 in increments of 1 Die Scaling Factor...

Страница 66: ...Dependant the output will be driven either upscale 20mA or downscale 0 or 4mA depending on the configuration of the maths cards on board link made by the user See document Maths Function Serial User...

Страница 67: ...press is shown as providing an on line ram or section speed signal To configure the LMG AE in this mode a four channel unit must be set up as follows Set Channel A to have an ABT S thermometer selecte...

Страница 68: ...parameters in the relevant fields Now select the multi channel display option and set mul snapshot NOTE Mul Snapshot is short for multi channel snap shot display This option allows the operator to see...

Страница 69: ...gured snap shot channel Now exit and save changes If the display Fig 43 is still not shown use the display hot key Select the all channel display option Save and exit the display hot key menu The disp...

Страница 70: ...2 AQT 1 AQT 2 In the above application there is no billet snap shot function instead there are two quenching zones The basic LMG AE configuration for the above would be as follows Set CHA to have an A...

Страница 71: ...guration would be as follows Choose a maths function and select its type to be Quench A Allocate Channels A C and D Set the Distance value Set the Die Scaling Factor required Set the Output Type requi...

Страница 72: ...values can be displayed simultaneously by using the dual maths functions display option In the system configuration menu or via the display hot key the dual maths function display can be selected The...

Страница 73: ...s selected before installing the processor in a panel 1 To change the language setting first unscrew the six screws on the back panel of the processor Refer to Fig 10 2 If a serial communications boar...

Страница 74: ...s given in Fig 49 4 Insert the power supply board on right hand side and replace any thermometer channel board s in the correct slots in the processor 5 If a serial communications card was fitted in y...

Страница 75: ...User Guide Signal Processor LMG AE 6 Maintenance The Landmark Graphic AE Signal Processor is designed to be virtually maintenance free The recommended maximum period between calibration checks is 12...

Страница 76: ...Page 70 Signal Processor User Guide LMG AE...

Страница 77: ...Guide Signal Processor LMG AE Appendix A Display Modes This section contains typical samples of the displays available from the processor Fig A1 Typical numeric display 234039 Fig A2 Typical mixed di...

Страница 78: ...Page 72 Signal Processor User Guide LMG AE Fig A3 Typical line chart display 234041 Fig A4 Typical deviation chart display 234042...

Страница 79: ...Page 73 User Guide Signal Processor LMG AE Fig A5 Typical 4 channel numeric display 234043 Fig A6 Typical 4 channel bar graph display 234044...

Страница 80: ...Page 74 Signal Processor User Guide LMG AE Fig A7 Typical 4 channel deviation bar graph display 234045 Fig A8 Typical over range display 234046...

Страница 81: ...Page 75 User Guide Signal Processor LMG AE Fig A9 Typical under range display 234047 Fig A10 Typical obscuration display 234048...

Страница 82: ...Signal Processor User Guide LMG AE...

Страница 83: ...ruments based on System 4 UNO thermometers accessories and mountings and special instruments based on UNO Application dedicated processors based on LANDMARK Graphic ABTS S and ABTS U FTS VDT S and VDT...

Страница 84: ...utside the Ambient Temperature Humidity and Vibration rating of the product environmental contamination solvent vapours deposition of airborne contamination cooling liquids of non neutral pH etc overh...

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