Supplement to the operating instructions for the optional Display and
Contents
1. 6 Measurement 7 Standby 8 Maintenance 9 Li 1 10 Probe 1 2 3 4 11 No measurement As function A but 9 Li 2 10 Probe 2 As function A but 9 Li 3 10 Probe 3 As function A but 9 Li 4 10 Probe 4 Actual position changeable in diagnostic mode 0 secede 1 tightened 27 8 Appendix 8 4 Parameter groups Depay jem Sofware version jem SSS 28 8 Appendix 6A Ae 9953 0003 d eb Laun 8 61 0061 d Asoysiy Yne 8681 0081 d IST ly aqel 644 0091 d OL Auojsiy uonesqueg E95 0091 d ejep qold 64 06h d 9 OUD Jeep gd cZvl d OU BLIBS PIOMSSEed veel O El d yosyo oiweudp L BIEL O0EL d aoeyalul Sng E8ZL 081 d Dusugau Le 1921 0921 d OWI ale Grzl Ob d 8 du eysa 6311 60 d SONIEA PlOUs OS 6601 O 01 d 2 1 Aeeu 0660 S860 d UOISJBA BJEMYOS 2160 0160 d Re ds q 9960 0860 d uoneindyuoo syw 2160 0160 d Sur 6680 SE80d uolyesnByuoo Jany E180 0020 d uolyesnByuoo onjea seay 8890 0190 d zL uogenoreo Bojeuy 8090 0 90 d 7 L Indu Doug 7990 0 S0 d t L nd no Boyeuy 8r0 0870 d gez SY SnapoN Zvv0 Ltb d juawainseaw ainssald 0v0 0070 d BunNesH AIN E8E0 08E0 d yndjno ou oul Z9 0 0960 d uonein yuoo an en ZO SPEO DEE d soseb s 8820 0 20 d uonesqued Le 2520 0920 d 49949 L v0202. Input of limit values limit curves See also tables in 4 3 1 and 4 3 2 Factory settings Direct triggering in the event of falling below these values after a delay of 0 seconds Limit curve 1 Fuel 1 x1 x5 Burner load yi y5 O limit values curves Max 8 curve points possible Distribution can be freely chosen Parameter Value 2200 X1 20 20 2201 Y1 30 3 0 Oo 2202 X2 40 40 2203 Y2 25 2 5 Oo 2204 X3 60 60 2205 Y3 20 2 0 Oo 2206 X4 80 80 2207 Y4 18 1 8 Oe 2208 X5 100 100 2209 Y5 15 1 5 Oe Parameter Value 2300 X1 20 20 2301 Y1 25 2 5 Oo 2302 X2 40 40 2303 Y2 20 20 Oo 2304 X3 60 60 2305 Y3 15 1 5 Oo 2306 X4 80 80 2307 Y4 10 1 0 O 2308 X5 100 100 2309 Y5 5 0 5 Oo 21 6 Digital outputs relays 6 Digital outputs relays 6 1 Digital outputs for the control of the relay modules 6 2 Idle state Parameters 1030 1040 1050 1060 Up to 7 digital outputs can be freely configured in the LT 2 Lambda Transmitter The same parameters are available for the configuration of each digital output These are e Idle state see 5 1 e Four functions that trigger a switching procedure the four functions are OR ed see 5 2 e Display of the current relay position see 5 3 Factory assignment of the digital outputs Output 1 Collecting faults Output 2 Warning maintenance Output 3 Measurement Output 4 limit
3. amendments e The Enter key activates the editing mode and confirms and ends e The menu keys correspond to the menu item shown above them o In Fig 1 the menu keys have the following functions from left to right Measurement meas Calibration cal Parameter setup par Diagnostics diag Fig 1 keys Vi LAMBDA TRANSMITTER LT2 Measurement Py CH LAMTEC Enter Menu keys key The menu keys are identified by the LT 2 lambda transmitter s functions in abbreviated English form measurement calibration parameter setup diagnostics NOTE The limit values are only displayed if they were activated via parameters 930 940 950 960 Service level See also chapter 5 3 Display 3 Display The display divides into three ranges fig 2 1 The status line at the top margin It shows On the left side if the maintenance mode is activated In the center the current operating condition On the right side if warnings or faults are present Faults are indicated to the status line additionally by flashing The measured value representation in the center of the normal range The menu line whose entry is assigned to the menu key present under it Figure 2 3 1 Menu function WESS Pressing the meas key switches the display to a large representation of the value selected via the up down cursor keys Pressing the meas key repeatedly switches the display back to a listing of all the me
4. faults warnings Not all warnings or faults can be reset by means of an acknowledgement The cause of the warning or fault may need to be rectified first If a limit value is selected and then the ENTER key pressed the display switches to the limit value menu Measure Limit 3 LS2 02 Max value Act value Min value Dimension State Lit u2 E H Lie Explanation Limit value 1 is parameterised to the O2 measured value Switching points Crossing upwards 10 0 Vol Oo Crossing downwards 3 0 Vol Os Current O2 measured value 6 7 Vol O2 Limit value is not set Li 2 means limit value 2 was triggered D to crossing downwards LI 3 means limit value 3 was triggered D to crossing upwards The right left cursor keys can now be used to select each limit value in succession As soon as reset mode Manual or Acknowledge has been selected the limit value can be reset via Reset Use Exit to leave the limit value menu 10 4 Display Parameter 4 Display Parameter 4 1 Display Parameter 970 971 972 The parameter group Display controls the LT 2 lambda transmitter s Display and Control unit with the following parameters e P 970 Contrast This parameter serves to set the display contrast e P 971 Brightness This parameter controls the display s background brightness e P 972 Language The language of the output text German English can be selected Measure Contrast p 970 EA
5. OO HEX suue M HOH 919 uonesado xxx UNOS JOPOWLIL xyr ESHO suoleiqyeo Jo SNIS jpue 10 q uoNeiques yea g xxx UONCAQICD xxx jse6 uedo seb 189 YIM Jsa UOITesqued Buunse w 9u 19 1 YUM ISSYuoNeJqlled Iaioia0g u do Ie p ss dwuo9 UM EI 19S4O Jre juaiquie UO UONEIAIIEO I9SO xxx UONCAQICD as IOA 602 JBus9 U ZO wyo UO IO 8qOld 00 Oo se jsneyx3 00 Aoueoun Ge Je Syelul L Do 001 seb sneyxg L AW 0 0 abeyon eqoldq 0A 602 yndino ZO yusweinseay DU oA mdmo z0 1U9WOINSEOYN 29 LAMTEC Me und Regeltechnik LAMTEC Leipzig GmbH amp Co KG Uberreicht durch fur Feuerungen GmbH amp Co KG ImpexstraBe 5 SchlesierstraBe 55 D 69190 Walldorf D 04299 Leipzig Telefon 49 06227 6052 0 Telefon 49 0341 863294 00 LAMTEC Telefax 49 06227 6052 57 Telefax 49 0341 863294 10 Internet http www lamtec de Druckschrift Nr D LT 6060 05 aE 0021 e mail info lamtec de Printed in Germany
6. used in these operating instructions as important safety notes for the user They appear within each chapter where the information is required The safety notes in particular the warnings must always be observed and followed WARNING Identifies possible hazards to personnel especially through electric power WARNING Indicates possible hazards to personnel caused by improper handling of system parts ATTENTION Indicates risk to system parts or a possible adverse effect on functions NOTE Contains important additional information for the user about the system or system parts and offers further tips gt gt Appears in texts containing instructions for carrying out an action In this context the user is urged to observe the statutory accident prevention measures during all works and to do everything in accordance with the situation to prevent damage to persons and property 2 Introduction 2 Introduction These operating instructions describe how to use the optional display and control unit for the lambda transmitter LT 2 they do not replace the operating instructions for the LT 2 transmitter Fig 1 shows the display and control unit for the lambda transmitter LT 2 It consists of an LCD display the cursor keys the Enter key and the menu keys e The cursor keys serve to select measured values parameters or functions within the display readout The keys also position the cursor for Input and for Editing
7. value 1 Output 5 limit value 2 Output 6 limit value 3 Output 7 limit value 4 This is where the idle state is set This state is present if none of the four functions triggers a switching procedure The setting Diagnostic operation allows the idle state to be changed via the parameter Position see below e LOW open circuit principle e HIGH closed circuit principle e Diagnostic operation 22 6 Digital outputs relays 6 3 Function A B C D Parameters 1031 to 1034 1041 to 1044 1051 to 1054 1061 to 1064 6 4 Position Parameters 1039 1049 1059 1069 The four functions are structured almost identically an operational state can serve as a switching criterion If a Limit value Li 1 4 is selected as a switching criterion the output switches if the limit value s output is set Maintenance is chosen as a switching criterion the output is not in the idle state during maintenance Each function A B C D can have all operational states as the switching criterion however the allocation of limit values Li 1 4 and or test gases is restricted to individual functions Limit value 1 and Test gas 1 are only possible with Function A analogously Limit value 2 and Test gas 2 with Function B etc However all combinations can be set by OR ing the four functions The following operational states can be selected as switching criteria e Off e Warning e Fault e Calibration e Checking e Cold start e Measureme
8. Brightness P 971 8 Language P 972 English 4 2 Brightness and contrast Brightness and contrast can also be changed via the cursor keys as follows Contrast Keys 1 amp 2 Contrast Keys 3 amp 4 Brightness Keys 1 amp 4 Brightness Keys 2 amp 3 Press the appropriate two keys simultaneously 4 Display Parameter 4 3 Customer password input The password for the customer level can be selected individually by the customer In order to enter a new password at least the customer clearance level must be activated The new password must be entered as parameter 1472 see Fig below ATTENTION The password is accepted by the system a few seconds after input and is displayed as Thus an entered password can never be read out Measure Password Serial no Password customer level P 1472 Et System Release P 1486 0x110 Flash Release P 1487 0x0000 NOTE The password is set to 0000 at the factory Since this corresponds to the password input default setting the customer level can be activated by switching briefly to password input and leaving it again without making any changes 5 Limit values 5 5 1 Limit values Measured data can be monitored with the help of limit values The LT 2 lambda transmitter comes with 4 fixed limit values as standard that can be freely configured Load dependent limit curves and fuel specific limit values are available as optio
9. Supplement to the LT 2 Lambda Transmitter operating instructions for the optional Display and Control unit LAMBDA TRANSMITTER LT 2 Measure O output vol 21 Li 1 oz is Li 4 cal Saas Measure Measure 02 output 21 0 vol Voltage LS2 11 3 mv At present no Ri LS2 6 Ohms faults warnings 02 int D vol Measure Measure Calibrating Display Li 4 Li Li3 Lid Start offset calibration ia Li Lid Lid in ambient air Contrast Offset calibration with P 970 37 compressed air open before Brightness Calibration Inspection P 971 with reference measurement Language Calibration Inspection P 972 English with test gas open before Sensors and Systems for Combustion Engineering LAMTEC Table of contents 3 1 3 2 3 3 3 4 3 5 3 6 3 4 1 4 2 4 3 9 1 32 5 3 6 1 6 2 6 3 6 4 7 1 1 2 7 3 8 1 8 2 8 3 8 4 SAPIY NEE Eegen 3 INITOGUCHON WE 4 DUS e 5 Menu function HUSS 5 Menu function Cal Menu function Bei o oo cc cccccccccccecccecececececscececucecucuceeaeaeauauauauauauauauauauaetansnanavanaueueusucuauaenenenes 7 Menu function Bee oo c ccc ccccecececececececucucecucecacacauauauauauauauauauauauauneatananatanenauauauaeauaenenenes 7 Menu function bied occ c cece ccececececececececececucucacacauauauauauauauauauauauauneatananananeucuauauaeaenenenenss 8 Menu function Bike cece cc ccccccecececececucececucucauacaeauauauauauauauauauauaenuneneaeauauaucuausuuaeaene
10. a dark background The required parameter can be selected via the up down cursor keys The edit mode for that parameter is activated with the ENTER key The parameter s value flashes during editing Measure Display Contrast pP 970 BE Brightness P 971 10 Language P 972 English Selected parameters are indicated in three ways Ne gt parameter can be changed 2 Outlined representation gt parameter cannot be changes 3 Fia ng Gre Di NW active editing mode change mode The parameter can now be changed via the up down cursor keys and left right for multidigit parameters The menu bar functions are interpreted as follows e esc returns to the change menu without accepting the changed parameter e dflt sets the default value e OK accepts the changed value and returns to ENTER or change menu This procedure leads back to the change menu Further parameters can be called up and changed 3 Display 3 7 Menu function diag On pressing the diag key the display switches to show warnings and faults The up down cursor keys can be used to select individual warnings or faults or limit values NOTE Limit values are only displayed if they were activated via parameters 930 940 950 960 Service level The selected warning or fault shown in reverse video can now be acknowledged or reset via the ENTER key LAMBDA TRANSMITTER LT2 Measure At present no
11. asured values Measurement A TRANSMITTER LT2 Ile Measure O output vol a d Lii US 1 Lid LAMTEC 3 Display 3 2 Menu function zl By pressing the cal menu key calibration starts is shown on the display After activating the calibration 4 calibration functions are available see Fig 1 e Start the offset calibration on ambient air e Start the offset calibration with compressed air during semi automatic calibration open stop valve in the SAK e Start the calibration via comparative measurement during manual calibration function only if the O value is under 18 e Start the calibration with test gas during semi automatic calibration open stop valve in the SAK The required calibration function is selected via the up down cursor keys The ENTER key confirms the selected function and triggers this calibration procedure The automatic calibration modes can be interrupted via the menu function Interrupt calibration return to measurement function During manual calibration the calibrated value can be changed via the menu function Change calibrated value Fig 2 Fig 1 Calibrating Start offset calibration in ambient air Offset calibration with Change of cal O2 value Probe voltage Max pressure Pressure rise compressed air open before Calibration Inspection with reference measurement Calibration Inspection with test gas open before Fig 2 After calling up th
12. d Hof XXXX 0 49 Conversion 4 20 mA 0 100 for load specification burner load via curve 4 as follows Parameter 2150 2151 2152 2153 Value X1 4000 4 mA Y1 20 20 X2 20000 20 mA Y2 100 100 5 Limit values 5 3 3 2 Limit curves Limit values Parameter setup for the 4 limit curves takes place via the analogue calculations 9 to 2 ATTENTION Fuel selection Par 836 Digital inputs must be switched on Limit curve 1 Analogue calc 9 Par 652 Calculates analogue val 4 Par 653 Curve 5 Par 654 Off Par 657 Curve BS at manufacturing level Limit curve 2 Analogue calc 10 Par 662 Calculates analogue val 4 Par 663 Curve 7 Par 664 Off Par 667 Curve BS at manufacturing level Limit curve 3 Analogue calc 11 Par 672 Calculates analogue val 4 Par 673 Curve 9 Par 674 Off Par 677 Curve BS at manufacturing level Limit curve 4 Analogue calc 12 Par 682 Calculates analogue val 4 Par 683 Curve 11 Par 684 Off Par 687 Curve BS at manufacturing level If instead of the limit curves fixed limit values are to be specified then parameters 930 931 940 941 950 952 960 961 should be adjusted accordingly see 4 1 1 2 and 4 1 1 3 The following settings are made at the factory Limit value 1 limit curve 1 Par 930 Os measured value or s
13. d HEJS PjOo eWJON 0610 810d dwnd se en OSLO d Buneay aqoud Le ZYLO OvlOd obeylon api6 SI YZLO ZLO d suondo eempIeH OLLO YOLO d spuewwog 2200 0 00 d JOU 8 18 UN0Q 9900 0v00 d eyep Bunesado 9100 1000 d sanjea pe nseayy 818 801119S 9952 0002 d Zk aan 8681 0081 d L H algeL 644 0091 d 01 1 Aloysiy uoesqueo EL 005 d ejep aqold E64 06tl d QL OHO J91eupIg d eLvl d OU ESS PIOMSsSed LEEL 0EEI d yosyo o1weuAp Le 8LEL 00 d u uj SNg L8ZL 0821 d Dusugaut Le 1921 0921 d SU ege StZk d 8 Indu sayey6ig Geel d Z Ndu sajey61q Geel d 9 ndu Jemgufg Stel d G mdut Jemgufg SOZ d Ndu 1342461 CELL d ndu sajeyb6iq S8lld z ndu sajeybiq SLL d I Indu Jee 0660 S860 d UOISIOA OJEMYOS Z460 0460 d Ke dsiq 9960 60 d uolesnByuod spw 2160 0160 d Sun GE80 d uolyesnByuoo on ELSO ELZO d uoNesnByuoo anjen Spa 8890 0890 d ZL uoyejnojeo Boyeuy 8290 0490 d LL uoyeinojeo Doug 8990 0990 d DL uonejnajeo Bojeuy 8990 0990 d 6 uonenojeo Boyeuy 8790 0790 d g uonenoeo Boyeuy 8 90 0E90 d Z uogenojeo Boyeuy 8290 0290 d 9 uogenojeo Boyeuy 8190 0190 d g uogenojeo Boyeuy 8090 0090 d Indui Bojeuy 8690 0690 d Ndu Bojeuy 8890 0890 d 3 Indu Bojeuy 8290 0 90 d L Indus Doug v9S0 Z990 d ind
14. ence value is or was outside those limits Parameters 914 917 Resetting the limit value output proceeds with the help of the parameters Reset Li 1 Reset Li 2 Reset Li 3 and Reset Li 4 provided that the manual or acknowledge reset mode was selected In order to reset a limit value Reset must be entered in the corresponding parameter However resetting in the manual mode is only possible if the monitored reference value is within the limits Li Min and Li Max 16 5 Limit values 5 2 1 Display of the limit value crossing LAMBDA TRANSMITTER LT2 Measure Following activation of the limit value parameters 930 940 950 960 Service clearance level the display shows Li1 Li2 Li3 Li4 depending on which limit value has just been activated Crossing the limit value in either direction is shown as follows Li 1 Ellmeans limit value 1 has been crossed upwards Li2 means limit value 2 has been crossed downwards 5 2 2 Calling up limit value settings Limit value er ll WO Li3 Li4 Press the diag Diagnostics key value settings Use the cursor keys to select the appropriate limit value The selected limit value is highlighted by a frame Li 1 D I 1 is Li 4 T Limit value selected Press the ENTER key The limit value s current setting appears on the display see illustration Measure Limit 1 G LS2 02 2 Max value 100 Act value 67 2 Min value 30 Dimension 0 1 Vol State ON Limi
15. ightness P 971 8 Language P 972 English group group Long as Medium but with an additional parameter status row displayed KA Display Contrast P 970 37 bw 37 12 42 Brightness P 971 8 bw 8 O 15 group scrolls back one parameter group group scrolls forward one parameter group All available parameter groups are Summarised in the appendix The left right cursor keys correspond to the key functions of group and group respectively If not all the parameters in a group are visible in the readout this is indicated by flashing arrows in the right hand margin The up down cursor keys can be used to shift the parameters and make them visible As an example we explain below the status row shown in the Long format e kw _ 30 12 42 The asterisks and underline characters and _ are fillers e K indicates the customer clearance level b operation k customer s service f manufacturing e W indicates the parameter type write revisable read read only e 30 is the default value base value in EPROM e 12 42 is the possible range within which the parameter can be changed For some parameters there is no default value and interval 3 Display 3 6 Menu function change allows parameter values to be amended The menu bar for the submenu is the same as the view menu However here the parameter to be changed is shown inverted light characters on
16. igital input via the parameter Position e LOW open circuit principle e HIGH closed circuit principle e Diagnostic operation 24 7 Digital inputs 7 2 Function A B C D The four functions are structured almost identically However the allocation of limit values Li 1 4 and or fuels is restricted to the individual functions A B C D Resetting of limit value 1 and Fuel 1 are only possible with function A analogously resetting of limit value 2 and test gas 2 only with function B and so on The following actions are possible e None e Offset calibration triggers an offset calibration e Fault rese acknowledges present faults e Warning reset acknowledges present warnings e Reset Li 1 function A resets limit value 1 functions B C D reset limit values 2 3 4 e Fuel 1 only function A selects fuel 1 functions B C D select fuels 2 3 4 e Probe 1 only function A selects probe 1 functions B C D select probes 2 3 4 e Nocal calibration locked e PID control unit on offprovided the PID control unit option is activated this function allows the PID control unit to be turned off e Maintenance triggers the device to maintenance e Deactivate limit value x see chapter 5 2 7 3 Status Parameters This parameter indicates the digital input s state 1175 1185 1195 1205 The three possible states are inactive idle state and active the set functions A B C 1215 1225 1235 1245 D are triggered The digi
17. is menu function the amendment procedure in the displayed submenu can be terminated with the cancel key Alternatively the amended O value can be accepted with the OK key Manual calibration is interrupted or ended with End calibration return to measurement function the amended Oz value is preserved NOTE The Manual calibration mode remains active for a maximum of 15 minutes this is the factory setting This is followed by switching back automatically to the measurement mode The maximum manual calibration time can be changed via parameter 288 at service level A substitute O value is displayed during calibration procedures Measurement or display of a meaningful Os value is only possible in the operational mode i e after completing the calibration 3 Display 3 3 Menu function After calling up the par menu the menu opens up for the parameters Measure Parameter Setup Released customer level Access to the parameter menu is divided into the following clearance levels e Operational level e Customer level e Service level only accessible via password e Factory level NOTE The customer level password can be set freely by the customer The current clearance level is shown on the display The available menu functions are displayed in the menu bar e exit returns to start menu e psw allows changing the clearance level via password input e view displays the parameter settings A
18. it value The analogue values indicated in the table are parameterized in such a way that they calculate the monitoring threshold for the indicated limit value in dependence of the fuel and the burner load If the load dependent limit values are to be activated again e g for limit value 2 after meanwhile constant limit values were adjusted parameter 942 reference value min must be adjusted to the calculated analogue value 10 shown above in the table In place of monitoring an under usage and monitoring of an excess is wished instead of parameter 942 parameter 941 must be adjusted comparison value max to the calculated analogue value 18 5 Limit values 5 3 2 4 fuels a 2 limit curves limit values per fuel 5 3 3 Parameter setup factory settings 5 3 3 1 Analogue input 4 Limit values 1 and 3 are used Li 1 and Li 3 Allocation of limit curves limit values Curve OO ONO Ol 10 11 12 LiC limit curve Li limit value Par Par Par Par Par Par 602 603 604 605 606 607 Function Fuel Calculated analogue value LiC1 Li1 1 9 LiC1 Li1 2 9 LiC2 Li2 3 9 LiC2 Li2 4 9 LIC3 Li3 1 11 LiIC3 Li3 2 11 LiC4 Li4 3 11 LiC4 Li4 4 11 Analogue input 4 Curve 4 3 9 mA 20 1 mA Off Off Display of the load value via configurable measured value 6 Par Par Par Par Par 800 801 809 812 813 Calc Analogue value 4 Burner loa
19. it value 4 set to 1 for resetting variable Parameter group limit value configuration ie Parameter number Description 930 940 950 960 Selection of the monitored quantity for limit value 1 2 3 4 variable 0 None 1 O value 2 7 configurable measured value 1 sic 7 8 LS1 temperature 9 LS1 pressure 10 LS1 current 11 LS1 voltage 931 941 951 961 Form for comparison value Max with Li 1 2 3 4 variable 0 Off 1 Const value 2 13 Calculated analogue value 1 12 932 942 952 962 Form for comparison value Min with Li 1 2 3 4 variable 0 Off 1 Const value 2 13 Calculated analogue value Le 964 933 943 953 963 Constants for comparison value Max with Li 1 2 3 4 variable only with 931 941 951 961 fixed value variable SE Constants for comparison value Min with Li 1 2 3 4 SSES only with 932 942 952 962 fixed value variable a Reset mode for limit value 1 2 3 4 E 0 Automatic 1 Manual 2 Acknowledge 966 936 946 956 966 Triggering delay for limit value 1 2 3 4 in sec Operational mode deactivate limit value 8 3 Parameters associated with digital outputs Parameter group digital output 1 2 3 7 inten pe 1030 1040 1050 Ale level Service variable 10 Down 1 Up 2 Diagnostic operation 1031 1041 1051 Function A Service variable 0 Off 1 Warning 2 Fault 3 Calibration 4 Check 5 Cold start
20. jno bojeuy vSS0 Z990 d nd no Bojeuy vvSO ko d z nd no Bojeuy YESO ZE90 d L ndino Bojeuy Cbt LYO d Juswe nseaw INSS 0v0 0070 d BuNesH AIN Z9 0 09E0 d uoNe ndl UO9 anjer ZO SPEO OESCH d soseb s l 8820 0 20 d uoleiqyed L 0S20 d 49949 L ESLO d duind se6 on SOLO pOLOd spuewwog 3100 0200 d JOU 8 J8JUNOY 9900 OPO d eyep Buessdo 9100 LOOO d sanjen panse 8197 18WOISNY Lao Cup os wo ee a ben ue Ol 126 d sseu ybug oe 0Z6 d IseNuU0og xxx AIAS xxx MSIAY3AO NNAN cl E6tL 06tl d SL OHO Jeep LOEL d SeHaul sNng 0660 S860 d UOISIOA OJEMYOS Z460 0 60 d Ke dsiq 4460 0160 d syu L80 CLD d uolle n yuoo anea Spo 09E0 d uolyesn6yuoo anjea ZO 2200 0200 d Jeu 9 Je UNDD 9900 9700 d eyep Bunesado 9100 L000 d sone panse J9A97 UO e19dEQ Jequ 0 v00 d ainsseid aynjosqe z SI AW 607 c00 d abeyon aqoid z S7 608 100 d ndino 20251 xxx JEP SOL zur ILR ws we 002 eunr osue E WM Wl j9A9 JeWO SNI p se j y x a x DH SZELL W180L000 NG xxx PAOMSSEG 19 UF xxxs E BR We s nd no Doug 1013 xxx SHNEJ xxx Wu s9uepadu
21. ll the parameters are displayed regardless of clearance level e change allows the changing of parameters only the parameters accessible at the clearance level are displayed 3 4 Menu function psw calls up the password input menu The operational clearance level is displayed The functions visible in the menu bar mean e exit returns to the par menu e clear resets the clearance level to operational level e shifts to the alphabetically previous input letter e shifts to the alphabetically next input letter The up down cursor keys act similarly to and Left right move the input point along the password Once the correct password is entered the corresponding clearance level is displayed and is retained on leaving the menu with exit If no key is pressed for some time the clearance level is reset to the operational level If the customer clearance level is still at the factory setting the customer level is set 3 Display 3 5 Menu function view opens the parameter menu The menu bar is interpreted as follows exit returns to the menu function par eil toggles between display formats Short only the parameter number and the current value are displayed Measure Display P 970 37 P 971 8 P 972 English Medium the parameter number and the current value are accompanied by a short description Measure Display Contrast F 970 37 Br
22. n 657R0920 Monitoring takes place by comparing the current value with a lower limit Min comparison value and with an upper limit Max comparison value If the monitored value falls outside the range window i e it is smaller than the Min comparison value or greater than the Max comparison value the limit value output is set Parameters 910 to 914 indicate whether the limit value is set The limit values 1 4 can be used to switch the LT 2 transmitter s relay outputs The settings that need to be made are described in the chapter about digital outputs chapter 6 The limit value configurations the display and resetting of limit values are described below When using the display these items can be found in the parameter groups limit value config and limit values The relevant parameter numbers are listed in the Appendix table in chapter 8 2 following Limit value configuration Each of the 4 limit values has seven parameters used for configuration e g for limit value 1 Li 1 acts on see 5 1 1 Max comparison value see 5 1 2 Min comparison value see 5 1 2 Const Li Max see 5 1 1 Const LiV Min see 5 1 3 Reset mode see 5 1 4 Triggering delay see 5 1 5 Oe DE ch sch sch sesch sch ee The parameters are preceded by the number of their corresponding limit value 5 Limit values 5 1 1 Limit value 1 2 3 4 acts on Parameters 930 940 950 960 This parameters specifie
23. nenss 9 Menu function EEE ccc ccccecececcceccacecauecacceacaeauauauauauauauauauaununeneneneneneneneenenenes 10 Display Parameter E 11 Display Parameter 970 971 IO 11 Brightness and contrast 11 Customer password input uuuusssssnnssnnnnnneeennnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnnennnnnnnn 12 MT nl AS oa ccc cate sawn ts cee vn renee cots A A E A 13 Limit value COMMUN AION aan 13 Limit values display and resetting cccseccccceseceeceseeeeceeeeeeeseaseeessaueeeeaeeeeeseaeeeeesaeeesesneeeesaess 16 Load dependent limit curves fuel specific limit values option 657R0920O 18 Digital outputs relays sencscis conecen seen ccens nenecencacvicevenswecswensvesevenswecsuensuaseteneness 22 Digital outputs for the control of the rel v modules 22 Jl 22 FUNCION ABO Dennerle 23 Bettel EE 23 Misc URId el CN 24 Jl 24 F NELON An GAD dE 25 E sae wii tease ee ahs se tracer canes ode vostro entra etone CE INNE ERENTO HERREN NE SEAN aaeeaeene our 25 POD 01 1 ao _ ARE E E E EE E E BEE TEREFHPEEEUEEHEEEEARSEREDEPESBEE 26 Parameters associated with digital inputs ccccccccceceseseeeeeeeeeeeeeeseeseeeeeesaeeeeeessaeseeseaeaees 26 Parameters associated with limit values cccccceeeeceeecseeeeeeeeeeeeeeeseeeeeceeeseeaeeeeseaseeeseaeages 27 Parameters associated with digital outpute 27 ue OUDS EEN 28 1 Safety Notes 1 Safety Notes The following symbols are
24. nt e Standby e Maintenance e Limit values 1 4 e Probe 1 e No measurement This parameter indicates the current switching state Manual switching of the output is possible by changing the parameter via diagnostic operation 23 7 Digital inputs 7 Digital inputs 7 1 Idle state Parameters 1170 1180 1190 1200 1210 1220 1230 1240 8 digital inputs can be configured for the LT 2 Lambda Transmitter The inputs switch position according to the applied voltage High applied voltage 24 V or Low input open or voltage 0 V Depending on this position the LT 2 transmitter can carry out certain actions All 8 digital inputs are identical with regard to structure and functionality The inputs configuration is controlled by the following parameters Factory assignment of the digital inputs e Input 1 Reset warning fault e Input 2 gt Reset limit value message e Input 3 gt Offset calibration e Input 4 Not configured e Input 5 gt Not configured e Input 6 gt 1 Fuel 2 gas e Input 7 gt 1 Fuel 3 e Input 8 gt 1 Fuel 4 1 Parameter 836 Service level must be set to Digital inputs If no signal preset Heating oil EL This is where the digital inputs idle state is set If the position differs from that set here the actions specified by the functions A B C D is carried out If Diagnostic operation is set here the functions A B C D can be triggered for the appropriate d
25. ome other measured value to be monitored Par 931 Off upper limit value Par 932 Calc analogue value 9 Par 935 Resetting mode Automatic Par 936 Triggering delay to 0 seconds Limit value 2 limit curve 2 Par 940 O gt measured value or some other measured value to be monitored Par 941 Off upper limit value Par 942 Calc analogue value 10 Par 945 Resetting mode Automatic Par 946 Triggering delay to 0 seconds Limit value 3 limit curve 3 Par 950 Os measured value or some other measured value to be monitored Par 951 Off upper limit value Par 952 Calc analogue value 11 Par 955 Automatic resetting mode Par 956 Triggering delay to 0 seconds Limit value 4 limit curve 4 Par 960 O gt measured value or some other measured value to be monitored Par 961 Off upper limit value Par 962 Calc analogue value 12 Par 965 Resetting mode Automatic Par 966 Triggering delay to 60 seconds 20 5 Limit values 5 3 4 NOTE If the limit value 4 limit curve 4 should not be needed it is recommended to re parameterize these for the monitoring of the Lambda probe LS 2 on air value lt 5 mV 2 16 volume Os For this the following parameter configuration has to be set Par 960 LS2 voltage Par 961 ont Par 962 constant value Par 964 50 5 mV Par 965 automatic Par 966 Release delay 1 second
26. range Each individual limit value can be deactivated now over the function Deakt GWx over the digital inputs x 1 2 3 4 5 1 5 Triggering delay Par 936 946 956 966 This parameter can be used to set a triggering delay in the range O to 600 seconds The limit value output is only set if the monitored reference value lies outside the Li Min and Li Max range for longer than the specified period If the reference value is once again within the Li Min and Li Max limits the time counter is reset The triggering delay starts to count again from 0 when Li Min or Li Max is exceeded in the relevant direction 5 1 6 Disable limits Par 967 All limits can be disable together depently of the operating mode Selections Limits are disabled when e Q never e 1 cold start default e 2 cold start maintenance e 3 not measure 5 Limit values 5 2 Limit values display and resetting The limit values current status as well as resetting limit values make use of the display in the limit values group the relevant parameter numbers are shown in the Appendix table in chapter 8 2 Parameters 910 914 The parameters limit value 1 limit value 2 limit value 3 and limit value 4 indicate the limit values current settings and status Off means that either the corresponding limit value is not in use or the monitored reference value is within the limits Li Min and Li Max If a limit value is shown as set the monitored refer
27. s specified for the Min and Max reference values For the constant Li Max 156 For the constant Li Min 55 NOTE If the measured value is to be monitored only for exceeding the maximum or only dropping below the minimum only the constant Li max and Li min has to be set The probe s voltage needs to be monitored The voltage is shown on the display in mV The limit values should be specified as integers in mV An input of 100 corresponds to 100 mV 5 Limit values 5 1 4 Reset mode Par 935 945 955 965 Automatic Manual Acknowledge If the limit value is set as a result of the reference value being crossed in either direction this parameter describes the limit value s resetting mode Three possibilities are available If the monitored value is changed so that once again it lies within the Li Min and Li Max range the limit value output is reset automatically to off The limit value output must be reset manually via the display via one of the digital inputs or via the remote software s Limit values In this resetting mode limit values can only be reset if the monitored value lies within the acceptable range The limit value output must be reset either manually via the display via one of the digital inputs or via the remote software s Limit values If the monitored reference value is still outside the acceptable range it is only acknowledged to begin with and disappears on entering the acceptable
28. s which value is to be monitored The following values are available for monitoring e Off the limit value is not in currently in use e Os measured value e Configurable values one of 6 measured values definable by the user is being monitored e Probe s internal resistance e Probe voltage 5 1 2 Max comparison value Par 931 941 951 961 min comparison value Par 932 942 952 962 Off Constant value Calculated analogue value Three possible settings are available for the upper and lower comparison values The comparison value is not activated A constant reference value is chosen to serve as a comparison value see 5 1 1 A value calculated from the actual O value or from an analogue input serves as a reference value In the LT 2 lambda transmitter one of 12 available reference values can be selected Configuration of the analogue values to be calculated see separate Instructions 5 1 3 Constant Li max Par 933 943 953 963 Constant Li min Par 934 944 954 964 Example 1 Example 2 IF a constant value is selected to serve as the reference value this constant is stored in Li Max or Min Please note that only integers can be entered If the constant reference value is displayed with decimal places it should be entered without the decimal point The measured O value needs to be monitored The limit value output is set as follows If dropping below 5 5 or exceeding 15 6 vol On A constant value i
29. t value 1 is parameterised for the measured O value Switching points Upward crossing 10 0 vol O2 Downward crossing 3 0 vol Os Currently measured Os value 6 7 Vol O2 Limit value not set Possible states Set gt Limit value was triggered Off gt Measured value in acceptable range Acknowloedged Limit value crossing has already been acknowledged 17 5 Limit values 5 3 Load dependent limit curves fuel specific limit values option 657R0920 Load dependent limit curves The load value burner load or some other measured value is switched on via analogue input 4 Instead of fixed limit values fuel specific curves of 2 to a maximum of 8 checkpoints can be entered _ Limit curve 1 Fuel 1 Curve 5 vol O Limit curve 2 Fuel 1 Curve 7 Burner load 0 20 40 60 80 100 Load specification 0 4 8 12 16 20 mA Limit curves factory setting with parameters set for crossing the lower threshold Possible combinations Either 2 fuels a 4 limit curves limit values per fuel or 4 fuels a 2 limit curves limit values per fuel 5 3 1 2 fuels a 4 limit curves limit values per fuel Limit values 1 to 4 are used Li 1 Li 4 Allocation of limit curves limit values Curve Function Fuel Calculated analogue value 5 LiC1 Li1 1 9 6 LiC1 Li1 2 9 7 LiC2 Li2 1 10 8 LiC2 Li2 2 10 9 LiC3 LIi3 1 11 10 LiC3 LIi3 2 11 11 LiC4 Li4 1 12 12 LiC4 Li4 2 12 LiC limit curve Li lim
30. tal input s state can be set manually with this parameter provided the parameter Idle level is set to Diagnostic operation 25 8 Appendix 8 Appendix 8 1 Parameters associated with digital inputs Parameter group digital input 1 2 3 Parameter number Description Idle level digital input 1 2 3 low 1 high 2 Diagnostic 1170 1180 1190 operation variable Function A B C D of digital input 1 2 3 4 1171 1181 1191 0 None 6 Reset Lil Li2 Li3 Li4 1172 1182 1192 1 Offset calibration 7 Fuel 1 2 3 4 variable 1173 1183 1193 Testgas cal 8 No calibration blocked 1174 1184 1194 Faults reset 9 PID control unit off Warning reset 10 maintenance Probe 1 2 3 4 11 deactivate Li1 Li2 Li3 Li4 1175 1185 1195 State of digital input 1 2 3 0 Off 1 Active LO amp PO 26 8 Appendix 8 2 Parameters associated with limit values Parameter number Description Access 910 Display of state of limit value 1 0 Off 1 Active read only 911 Display of state of limit value 2 0 Off 1 Active read only 912 Display of state of limit value 3 0 Off 1 Active read only 913 Display of state of limit value 4 0 Off 1 Active read only 914 Manual reset of limit value 1 set to 1 for resetting variable 915 Manual reset of limit value 2 set to 1 for resetting variable 916 Manual reset of limit value 3 set to 1 for resetting variable 917 Manual reset of lim
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