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Ametek Land LMG AR, User Manual

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Page 8

Signal  Processor

User Guide

LMG AR

Fig. 3 - Mounting the processor into a panel                      

234003

5)  From the rear, re-insert the clamp bars 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 bar.

Viewing side

Retaining screw

Clamp bar

Mounting panel

          

CAUTION

 

Do not overtighten the screws as this will deform the clamp bar.

Summary of Contents for LMG AR

Page 1: ...Signal Processor Copyright 2003 2016 Land Instruments International User Guide Issue 4 29 November 2016 Publication Nº 198 235 Language English LMG AR ...

Page 2: ...he 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 Eye Protection It is possible that this equipment is to be installed on or near to machinery or equipment operating at high temperatures and high pressures Suitable protective clothing along with face ...

Page 3: ...vent 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 Standards The Quality Management System of Land Instruments International is approved to BS EN ISO 9001 for the design manufacture and on site servicing of combustion environmental monitoring and non cont...

Page 4: ... Assembly 19 2 5 a c Power Input Plug 21 3 Using the Processor 22 3 1 Getting Started accessing the menu system 25 3 2 About the Menu System 29 3 3 Configuring Items in the Menu System 31 3 4 Configuring Constants for AST and AST 4 Thermometers 33 3 5 Using the Quick keys 36 4 Time Function Processing 39 4 1 Peak Picker not available on AST or AST 4 channels 39 4 2 Track and Hold 41 4 3 Averager 4...

Page 5: ...or you to operate a LAND Landmark Graphic AR processor Basic information regarding installation of the processor is also contained in the Installation Guide More detailed information regarding servicing repair and calibration of the processor is contained in the Service Manual Fig 1 Landmark Graphic AR Signal Processor 234001 ...

Page 6: ...m with security code context sensitive help display and Quick Key selection of the most commonly changed parameters Multi channel version for up to four thermometers A choice of time function processing options for each thermometer input Current retransmission outputs Power supply for processor and thermometer s The processor s capabilities can be enhanced with several optional extras Serial commu...

Page 7: ... 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 and is not guaranteed Non greyness 0 800 to 1 250 in 0 001 steps Peak Picker Threshold On delay Off delay Decay rate Acquisition time Interval Reset hold or peak sample selectable 1 steps setable 0 to 10s ...

Page 8: ... available when utilising the AST Input Cards 1 mV output 2 Peak picking 3 Valley picking AST Input Card Specifications Inputs Accuracy Discrimination Stability Input Update Output Update 2 x 10 volt inputs AST 0 3 of FSR 0 003 of FSR 0 004 of span 7 5ms 30ms Landmark Graphic AR ...

Page 9: ...s 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 and one 2 5mm hexagonal screwdriver to aid installation and set up 8 User Guide A binder for your user documentation is supplied with the thermometer One of these connectors is supplied for each thermometer...

Page 10: ...o 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 8 1in Approximately 400mm 15 8in required for card removal Protection cover 158mm 6 2in Maximum panel thickness 13mm 0 5in 186 1 1 0 mm 7 3 04 0 in 138 1 0 mm 5 4 0 04 0 in Cut Out Mounting panel 16m...

Page 11: ...cale 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 gain access to the link the back panel of the processor must be removed Therefore it is recommended that the required mode of operation is selected before installing the processor in a panel Refer to S...

Page 12: ...rs 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 bar Viewing side Retaining screw Clamp bar Mounting panel CAUTION Do not overtighten the screws as this will deform the clamp bar ...

Page 13: ...ore 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 ...

Page 14: ... 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 serial comms input 3 Retransmission output 9 Channel A terminal block Channels B C D may not be identical to A dependent on types of thermometers to be connected 4 Thermometer connector 5 RS 485 ser...

Page 15: ... 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 to the processor the alarms will remain in an activated state until the power supply is restored Fig 5 Alarm cable connection schedule 234005 Fig 6 CMD command cable connection schedule 234006 Pin Nº ...

Page 16: ...unction Peak Picker Track Hold Valley Picker Switch Open Peak Pick Track Valley Pick Switch Closed Reset Hold Reset Card Type System 4 Card All Cards System 4 Card Function Peak Picker Track Hold Valley Picker Open Circuit Peak Pick Track Valley Pick Short Circuit Reset Hold Reset Card Type System 4 Card All Cards System 4 Card NOTE Potential free contacts can be replaced by voltage Vin Where 3 0V...

Page 17: ...n 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 processor The location of the up scale down scale selector link is shown in Fig 11 3 Set the link to the required mode of operation 4 Slide the I O board into it s slot in the processor 5 Tighten the four sc...

Page 18: ...utput 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 2 3 4 5 OUTPUT CMD 1 2 3 4 5 6 1 2 1 2 3 4 5 1 2 3 4 5 6 7 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 ...

Page 19: ...AR 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 C48 U6 67 Y1 C21 C20 EN DIS UP DOWN TP 10 ...

Page 20: ... 30 to 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 4 thermometer cable connection schedule 234012 Pin Nº Thermometer output Yellow Blue White Screen Red Black Green T T E Screen V V E 1 2 3 4 5 6 7 THERMOMETER Cable Colour Function ...

Page 21: ...ocessor e g maths function serial comms refer to the User Guides supplied with the particular option Fig 13 AST and AST 4 thermometer cable connection schedules 234013 Pin Nº Thermometer output 1 2 3 4 5 6 7 8 9 10 Green Yellow White Brown Purple Screen Red Blue Black Ground plane Signal ground 0V Signal 1 Signal 2 Signal 3 Signal 4 Cable screen V Power supply V Power supply 0V Power supply THERMO...

Page 22: ...p 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 bar 3 Wire up the connector remembering the correct orientation of the plug in accordance with the relevant cable schedule see Section 2 2 3 Ensure that the cable outer insulation is held in the clamp bar...

Page 23: ...hedules To 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 relevant cable schedule see Section 2 2 Refer to Fig 14a The connector is now ready for use Fig 14 Correct System 4 Thermometer cable connector wiring arrangement 234014 NOTE Keep wire length ...

Page 24: ...Page 20 Signal Processor User Guide LMG AR Keep wire length as short as possible 10 1 Fig 14a Correct AST and AST 4 Thermometer cable connector wiring arrangement 234014a ...

Page 25: ... 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 4491 EN60 320 The wiring schedule of the plug assembly is shown in Fig 15 ...

Page 26: ...igured for 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 processor menu system using the keys on the front panel The location of the processor controls is given in Fig 16 An overview of the System 4 I O card and AST I O card menu systems is given in Fig 17 ...

Page 27: ...URN 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 RECOVERY RATE INTERVAL RETURN ALARM 1 MODE ALARM 1 LEVEL ALARM 2 MODE ALARM 2 LEVEL RETURN DISPLAY TYPE Tmid Tspan Tmax Tmin RETURN 4 CHANNEL NUMERIC 4 CH BAR GRAPH 4 CH DEV BAR GRAPH RETURN OUTP...

Page 28: ...ARITY EXIT DISPLAY TYPE 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 RETURN MODE CONSTANT A H4 CONSTANT B H5 CONSTANT C H6 CONSTANT D H7 RETURN ALARM 1 MODE ALARM 1 LEVEL ALARM 2 MODE ALARM 2 LEVEL RETURN DISPLAY TYPE Tmid Tspan Tmax Tmin RETURN 4 ...

Page 29: ...or display 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 that shown in Fig 20 A Help bar is displayed below each menu explaining the function of the UP DOWN and ENTER keys for that specific menu Fig 19 Typical front panel display 235019 ...

Page 30: ...Page 26 Signal Processor User Guide LMG AR Fig 20 Access code display 235020 ...

Page 31: ...layed 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 number of channels options fitted Fig 21 Main configuration menu 234021 NOTE A Time out feature returns you to the original screen if 60 seconds elapse without a key being pressed If this occurs the...

Page 32: ...the ENTER key The Configuration Menu for the item you selected from the Main Configuration Menu will now be displayed Fig 22 shows the Channel A Configuration Menu for a standard System 4 Thermometer See Fig 24 for the equivalent AST or AST 4 Configuration Menu Fig 22 System 4 Channel A configuration menu 235022 ...

Page 33: ...options 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 u use the UP and DOWN keys to scroll up and down menus When the cursor is a block use the UP and DOWN keys to change the displayed value or to select another available option Help Bar Gives the funct...

Page 34: ... Guide LMG AR 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 Inactive title bar blue background ...

Page 35: ...ER 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 option for the selected item 5 Press the ENTER key If there is only one item that can be changed in the sub menu pressing the ENTER key de activates the sub menu and moves the u cursor to the most r...

Page 36: ...and 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 system configuration 8 Use the UP and DOWN keys to move the u cursor to either the SAVE CHANGES or the DISCARD CHANGES option and press the ENTER key The display now reverts to the Main Configuration...

Page 37: ...lternatively 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 allow the user to select one of the valid thermometers for the card type fitted Having selected the required thermometer using the UP and DOWN keys press the ENTER key Position the cursor onto the Con...

Page 38: ...Page 34 Signal Processor User Guide LMG AR Fig 25 AST or AST 4 Constants Calibrate Mode 234025 Fig 26 AST or AST 4 Constants Measure Mode 234026 ...

Page 39: ...ge of products actually rolled by the user These constants cannot be manually optimised individually in an intuitive way Optimisation of constants A H4 and B H5 is undertaken via the thermocouple and PC software optimisation procedure described in the AST AST 4 User Guide Once a representative measurement data set for every product type rolled by the user s mill has been entered into the PC the La...

Page 40: ...anged most frequently 3 5 1 Emissivity Quick key Pressing the key opens up the emissivity menu see Fig 26 NOTE Channels containing AST I O cards cannot have their emissivity values adjusted The emissivity display instead provides an indication of the calculated effective emissivity which has previously been referred to as signal strength Fig 26 Emissivity menu 234029 ...

Page 41: ...Page 37 User Guide Signal Processor LMG AR 3 5 2 Alarm Quick key Pressing the key opens up the alarm menu see Fig 27 Fig 27 Alarms menu 235030 ...

Page 42: ...isplay menu see Fig 28 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 preventing inadvertent or mischevous altering of system settings The quick key locks are accessed via the main configuration menu ...

Page 43: ...emperature 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 next rises above the threshold level In Reset mode at the end of the OFF delay the temperature output signal falls to under range until the temperature input next rises above the threshold level In...

Page 44: ...n of Peak Picker time function 234032 Fig 30 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 Processor output Thermometer signal Sample time adjustable Bottom temp limit ...

Page 45: ...ect 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 controlled via the CMD Command input The CMD input connections and operation is shown in Fig 7 and Fig 8 Fig 31 Graphical representation of Track and Hold time function 234034 Temp Time Command 0V V Track...

Page 46: ...rature 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 are reflected in the output With a slow response speed the temperature output signal is much smoother displaying more the trend of the input signal rather than rapid changes Temp Time Slow averager r...

Page 47: ...rgest 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 stored temperature recovers Valley Sample This function allows the unit to Valley pick for a user defined period before the output display are updated Interval 10 to 250 seconds in 1second steps Fo...

Page 48: ...Page 44 Signal Processor User Guide LMG AR Fig 34 Typical output of Valley Sample function 234036a IRT max Time adjustable interval 10 250 seconds Threshold Temp Valley Sample Output Temperature Signal ...

Page 49: ...is 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 board is fitted remove it 3 Remove the power supply assembly on right hand side and slide out as many of the thermometer channel boards as necessary to gain access to the language selector switch The lan...

Page 50: ...is given in Fig 36 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 your processor refit it 6 Insert and tighten the six screws in the back panel of the processor Refer to Fig 10 Language Selection 0 English 6 English C English 1 German 7 English D English 2 Italian 8...

Page 51: ...7 User Guide Signal Processor LMG AR 6 Maintenance The Landmark Graphic AR Signal Processor is designed to be virtually maintenance free The recommended maximum period between calibration checks is 12 months ...

Page 52: ...Page 48 Signal Processor User Guide LMG AR ...

Page 53: ...r Guide Signal Processor LMG AR 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 display 235040 ...

Page 54: ...Page 50 Signal Processor User Guide LMG AR Fig A3 Typical line chart display 235041 Fig A4 Typical deviation chart display 235042 ...

Page 55: ...Page 51 User Guide Signal Processor LMG AR Fig A5 Typical 4 channel numeric display 235043 Fig A6 Typical 4 channel bar graph display 235044 ...

Page 56: ...Page 52 Signal Processor User Guide LMG AR Fig A7 Typical 4 channel deviation bar graph display 235045 Fig A8 Typical over range display 235046 ...

Page 57: ...Page 53 User Guide Signal Processor LMG AR Fig A9 Typical under range display 235047 Fig A10 Typical obscuration display 234048 ...

Page 58: ...Signal Processor User Guide LMG AR ...

Page 59: ...truments 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 U DTT FLT5 A This 36 month warranty is provided as standard for all orders for the products listed above received from 1st May 2002 We believe that our customers expect us to set the standard in ter...

Page 60: ...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 overheating as a result of interruption of water air flow through cooling jackets or of incorrect installation inappropriate modification of product drilling holes in thermometer bodies etc inappropriate rec...

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