User manual LANDIRENZO SOFTWARE OMEGAS

[. . . ] GB Software handbook Contents CHAPTER 1 CHAPTER 2 LANDIRENZO OMEGAS SOFTWARE MAIN SCREEN 2. 1 2. 2 2. 3 2. 4 2. 5 Main screen Main menu Function buttons Multi-language panel Status bar 4 5 6 6 6 CHAPTER 3 LANDIRENZO OMEGAS SOFTWARE CONFIGURATION 3. 1 3. 1. 1 3. 1. 2 3. 1. 3 3. 1. 4 3. 1. 5 3. 1. 6 3. 1. 7 Vehicle Configuration Change to gas Lambda (optional) Gas level Pressure Temperature K insertion Injectors 8 8 11 12 14 15 17 22 3. 2 3. 3 3. 4 3. 5 3. 6 3. 7 3. 8 3. 9 Visualisation Diagnosis Automatic calibration Change calibration Save present configuration Load new configuration Programming control box Finish program 23 25 27 32 33 34 35 36 CHAPTER 4 BASIC SETTINGS 4. 1 First programming 37 2 LANDI RENZO S. p. A. Software handbook CHAPTER 1 LANDIRENZO OMEGAS SOFTWARE The LANDIRENZO OMEGAS program allows distributors' technicians in the Landi Renzo network to work on the LANDIRENZO OMEGAS injection control box. In particular, it is possible to program gas control boxes with data from the auto file, to see and modify several parameters acted upon by the control box. The program can be used without special knowledge of the functioning of a Personal Computer except, of course, the basics of the Windows interface. The LANDIRENZO OMEGAS program requires one of the following operating systems: Windows 98 SE, Windows ME, Windows 2000 and Windows XP. [. . . ] NB. : one of these two enablements must always be present Software handbook LANDI RENZO S. p. A. 15 Fig. 9 4 - USE OF VEHICLE ENGINE TEMPERATURE SENSOR If it is desired that the vehicle's original engine temperature sensor should be used, proceed to set parameters of the signal using a hand-held tester and building up step by step the Temperature/Voltage specifications of the sensor. 16 LANDI RENZO S. p. A. Software handbook 3. 1. 6 Insertion of K This is the main carburation map; the three main variables are: - RPM in x-axis - Tinj petrol in y-axis - Coefficient of K in the cells The series of calculations for Tinj gas is: Tinj_gas = (Tinj_benz - Tmorto_benz) * K1(Tinj_benz, giri) * K2(Pressione) *K3(Temp_acqua) * K4(Temp_gas) + Tmorto_gas where: Tinj_benz: time of petrol injection Tmorto_benz: petrol injection downtime· K1(Tinj_benz, giri): map coefficient of K K2(Pressione): pressure compensation K3(Temp_acqua): water temperature compensation K4(Temp_gas): gas temperature compensation Tmorto_gas: gas injector downtime 1 2 Fig. 10 The line K open loop can be used to manage the open loop when functioning with gas. When Tinj benz assumes a value higher than that shown in fig. 10 point 1, the coefficient of K used to calculate the related Tinj gas is no longer that of the main map but as in point 2. These values of Tinj e K can be modified when calibrating the vehicle. At present this function is not used, but the open loop can be managed with the main map. Software handbook LANDI RENZO S. p. A. 17 Fig. 11 With the modification "CELL CENTRES, MAP OF K COEFFICIENTS" it is possible to modify the cell centres of: - RPM (from 0 to 8000) - Tinj petrol (from 0 to 40 mS) 18 LANDI RENZO S. p. A. Software handbook 1 2 Fig. 12 The gas injector downtime and petrol downtime are two parameters characteristic of the respective injectors and serve to compensate for the transitions from open to closed of the injector itself. 12, if they are relative to main injected (point 1) or extra injected (point 2). Software handbook LANDI RENZO S. p. A. 19 3 1 2 Fig. 13 CALIBRATION PROCEDURE The objective here is to ensure that the petrol does not modify the Tinj in the changeover from petrol to gas, and to this end the stages to be followed to obtain the best carburation are these: - click on start calibration 1 (management of the commutator takes place automatically by pressing key 2); - set a precise point of vehicle functioning characterised by an exact cell in the map above (e. g. 1000 RPM, Tinj petrol 4. 5 mS); - allow the injection time to stabilise then click on key 2; the vehicle will change over to gas; - by observing bar 3, evaluate how far in percentage terms the petrol injection time differs during functioning with gas compared with the petrol injection time when functioning with petrol; - if the space bar assumes high percentage values it means that the petrol control box is increasing the injection time while functioning with gas, or the vehicle on gas is lean and it is therefore necessary to increase the K coefficient of the cell in question; if the space bar assumes low percentage values it means that the petrol control box is reducing the injection time while functioning with gas, or the vehicle on gas is rich and it is therefore necessary to reduce the K coefficient of the cell in question. Variations of 2% are acceptable in the changeover from petrol to gas. 20 LANDI RENZO S. p. A. Software handbook Fig. 14 NB. : while functioning with petrol or gas, the percentage bar (point 3) loses all significance. If it is attempted to exit from the calibration without this being completed, the system advises of the need to close the procedure before it is possible to continue. Software handbook LANDI RENZO S. p. A. 21 3. 1. 7 Injectors 1 2 3 4 5 Fig. 15 This page shows some of the characteristics of the injector and its drive. 1 ­ 12V CURRENT MAXIMUM TIME (Tmax) This is the time 12V are supplied to the injector. 2 ­ MAINTENANCE CURRENT (Cm) This is the current supplied to the injector during the maintenance stage. 3 ­ INJECTOR IMPEDANCE This is the resistance of the injector. 4 ­ GAS INJECTOR MINIMUM OPENING TIME If the calculation of Tinj gas provides a value which is less than this minimum time, the system activates the value set as the minimum time. . 5 ­ EXTRAINJECTED GAS MINIMUM OPENING TIME As point 4 relating to extrainjection. 22 LANDI RENZO S. p. A. Software handbook 3. 2 VISUALISATION 1 2 3 4 5 6 Fig. 16 This command allows all the important signals with which the gas control box works to be visualised on a screen. There follows a brief description of the information visualised: 1 ­ STATUS VISUALISER: This shows, from left to right: A - Lock; B - Cutoff; C - Gas; D - Petrol. The active status is highlighted by a red led, the inactive status by a green led. [. . . ] The third and last level corresponds to the vehicle model. In this case it is not possible to expand the branch further, but it is necessary to select the model using the UP/DOWN ARROW or mouse. If a wrong branch is accidentally expanded, it is possible to re-compress it by pressing the keys RETURN or LEFT ARROW, clicking on the "-" sign or doubleclicking on the branch itself. Software handbook LANDI RENZO S. p. A. 33 3. 7 LOAD NEW CONFIGURATION Fig. 25 By accessing "LOAD PRESENT CONFIGURATION", it is possible to load 3, 4 or 5, 6or 8 cylinder files into the gas control box, depending on the type of fuel used. [. . . ]