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MAHA VZM 300, Оригинальная инструкция по эксплуатации

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MAHA VZM 300 Скачать руководство пользователя страница 23

Operation VZM 

300 

D1 2010BA0-GB03 

3.13 

3.9.2 Trailer 

Deceleration 

 

 

Deactivate the tractor brake during the measurement. 

 

1.  Enter the tractor weight. 

")$%11/ 1,/

1

 

2.  Enter the trailer weight. 

")$%11/)("/

1

 

The trailer deceleration will be calculated (ISO) and printed out from the following values: 
maximum brake force, arithmetic average (if available), and brake deceleration. 
Once the printout is completed, the trailer deceleration will be shown on the LCD. 

 

3.  Page through the trailer deceleration values using 

<

Í

> or <

Î

>. 

" "(g1/)("/MR

*5g:g;8*N0b

 

 

Display sequence of the trailer deceleration: 

1. Maximum deceleration 
2. Average deceleration 
3. Brake deceleration according to ISO 
4. Brake deceleration according to ISO by averaging of two acceleration values (issued as 
ISOab) 
 

Use <ENTER> to go back to menu item "Calculations". 

 

Содержание VZM 300

Страница 1: ...D1 2010BA0 GB03 Decelerometer VZM 300 Original Operating Instructions English...

Страница 2: ...structions are intended for users with previous knowledge in the field of vehicle testing technology as well as MS Windows operating system applications Windows and Windows for Workgroups are register...

Страница 3: ...easurement 3 7 3 7 Print Measurement 3 8 3 8 Delete Measurement 3 9 3 9 Calculations 3 9 3 9 1 Calculation of the Arithmetic Average 3 11 3 9 2 Trailer Deceleration 3 13 3 10 Enter Comments Vehicle Da...

Страница 4: ...6 4 6 5 Program Name of Tester 6 4 6 6 Set Contrast 6 5 6 7 Print Configuration 6 5 6 8 Check Deceleration 6 5 7 Check Deceleration Sensors 7 1 7 1 Check Deceleration 7 1 7 2 Check External Sensors 7...

Страница 5: ...ompensation and serves to measure and record the vehicle deceleration during braking Sensors computer and printer are installed in a compact enclosure Numerous external sensors can be connected to the...

Страница 6: ...z Battery service life 500 charging cycles at 20 C min 110 mA max 700 mA Current consumption average 150 mA Automatic switch off after 5 min Number of tests with fully charged battery approx 50 incl p...

Страница 7: ...on cartridge ERC 09 or ERC 22 1 2 3 Interfaces A Pressure sensor 1 pedal force meter and tractive force sensor B Power pack RS232 interface hand switch and analog signal C Pressure sensors 2 and 3 D I...

Страница 8: ...Completion Certificate for Standard Spreadsheets 911018 Power Supply Cable for Cigarette Lighter 12 24V 990019 Pedal Force Meter 910037 Hand Force Meter 910050 Tractive Force Sensor 20 kN incl 10 m ca...

Страница 9: ...They are provided to warn of dangers and help prevent personal injury and property damage It is the operator s responsibility to comply with all safety instructions pertaining to his work station and...

Страница 10: ...dically charge and discharge the battery If the decelerometer is not in use for an extended period the battery could be destroyed When conducting simulated measurements set the switch Deceleration Cor...

Страница 11: ...0 Measurements with on board supply only are not possible If the deceleration test is to be conducted with a mechanical hand trigger connect it to the 8 pin connector instead of the on board cable For...

Страница 12: ...Menu Activate Deactivate Shift function capital small letters Start Trigger Menu only possible if test is in progress Print out test results in menu item Check Print Measurement Switch off the meter...

Страница 13: ...ed out within this period The decelerometer can also be switched off manually Use the F5 key Main Menu items in sequence Use the or key to page through the menu items in forward or backward direction...

Страница 14: ...ng ENTER 0 1g 7 1 g 8g88 R Q QJR Be sure the decelerometer is not subject to vibrations during the offset balance 0 4 1ggg 0 1 If the adjustment value is outside the tolerance range the measurement ca...

Страница 15: ...s 9g 01 MR g 5 9g 1 Test means that the measurement has been stored in memory 1 Provided that all previous tests have been deleted see 3 8 Delete Measurement and that automatic storing has been set se...

Страница 16: ...ocated as follows Memory 1st Test 2nd Test 7th or 14th Test 1 1 78 1 78 1 78 2 2 14 2 14 3 2 34 4 1 86 5 2 06 6 1 98 7 or 14 2 56 The measured value will automatically be written in the next vacant da...

Страница 17: ...play sequence of measurements 1 Maximum brake deceleration 2 Maximum pedal force 3 Maximum tractive force 4 Maximum control pressure P1 5 Maximum control pressure P2 6 Maximum control pressure P3 7 Av...

Страница 18: ...nter the data memory and confirm with 1 6 g 9 H9M IQJR 3 Select the printout mode using 1 2 or 3 1 21P 9S S 2 0 S Printout modes 1 No printout 2 Numerical representation 3 Numerical and graphical repr...

Страница 19: ...A safety inquiry appears 2 Use to delete the test or ESC to exit this menu item without deleting 1 QJR 1 Q R 3 9 Calculations In the Main Menu select menu item Calculations to calculate the arithmetic...

Страница 20: ...lations and enter the memory 5 For the calculation of the arithmetic average enter start and end point See 3 9 1 Calculation of the Arithmetic Average The average values will be calculated printed out...

Страница 21: ...e braking distance and the duration of the braking process will be calculated Once the printout is completed the calculated values will be shown on the LCD 3 Page through the average values using or U...

Страница 22: ...ure 2 and pressure 3 will be calculated according to this equation Average Braking Speed 6 3 t a v av av aav average brake deceleration m s 2 vav average braking speed km h t interval time t2 t1 of th...

Страница 23: ...e force arithmetic average if available and brake deceleration Once the printout is completed the trailer deceleration will be shown on the LCD 3 Page through the trailer deceleration values using or...

Страница 24: ...of the average brake deceleration the maximum brake deceleration and the trailer brake deceleration ISO Average Deceleration according to ISO DTR 13487F ISO a a a t t a a t a a t a a t msN i i i B E E...

Страница 25: ...ition the decelerometer horizontally for the offset balance 4 Start the offset balance using ENTER 0 1g 7 1 g 8g88 R Q QJR 0 4 1ggg 0 1 g 2 8g88 N0b g 5 8g89 N0b 5 After the offset balance is terminat...

Страница 26: ...ileage 3 10 3 Enter Name of Tester The name of the tester can be entered or changed provided the respective selector switch is in the appropriate position 8 Enter the name of the tester and confirm wi...

Страница 27: ...of deceleration activated The value measured by the sensor is shown on the display and appears on the printout 2 Sensor connected before switch on of VZM 300 The VZM 300 automatically recognizes the s...

Страница 28: ...ng ENTER 0 1g 7 1 g 8g88 R Q QJR Be sure no sensor connected to the VZM 300 is subject to pressure or force during the offset balance 0 4 1ggg 0 1 5 After completion of the offset balance start the Tr...

Страница 29: ...vehicle has come to a full stop Then the display prompts for the automatic START STOP trigger thresholds for Pedal force Tractive force Pressure sensor 1 Pressure sensor 2 Pressure sensor 3 Use or to...

Страница 30: ...one of the STOP trigger thresholds 4 5 Start and Stop with Hand Trigger This mode can be used for small decelerations and to avoid automatic test stop due to wheel lockup If manual start by hand trigg...

Страница 31: ...the offset balance 6 Start the offset balance using ENTER 0 1g 7 1 g 8g88 R Q QJR In the Setting Menu 6 2 Program Variables set standard variable 34 to position 2 Now the tractive force value can be d...

Страница 32: ...Measurement Calculation of the Arithmetic Average In Calculations the arithmetic average of the measurement will be calculated for a specific time interval that has to be entered Example 1 Conduct th...

Страница 33: ...horizontally for the offset balance 6 Start the offset balance using ENTER 0 1g 7 1 g 8g88 R Q QJR In the Setting Menu 6 2 Program Variables set standard variable 34 to position 2 Now the pressure va...

Страница 34: ...o the first menu item Start Measurement Calculation of the Arithmetic Average In Calculations the arithmetic average of the measurement will be calculated for a specific time interval that has to be e...

Страница 35: ...transmission is realized via a 3 wire cable available from MAHA or by means of the integrated IrDA interface on the left hand side of the decelerometer To activate the data transmission via the optica...

Страница 36: ...ransmission is now complete Use ESC to exit the transmission program 5 3 Display of the Measuring Value File e g in MS Excel1 After transmission has been completed an ACSII file VZM300 CSV will be cre...

Страница 37: ...QJR Set selector switches g 00 MR 1 1 4 1 QJR Enter customer address g 01 MR 1 1 4 1 QJR Enter tester name 1 1 01 MR 1 1 4 1 QJR Set the display contrast 1 g MR 1 1 4 1 QJR Print out the current confi...

Страница 38: ...go back to the Setting Menu The year will be printed out with 4 digits 6 1 1 Check Date and Time To check date and time press ENTER in the entry lines until the current date and time appear on the dis...

Страница 39: ...use ESC The previous settings remain unchanged The default settings are listed under 10 1 Variable Configuration 6 3 Program Selector Switches In the Main Menu press F1 to start the Setting Menu Sele...

Страница 40: ...CLEAR to delete wrong inputs To go back to a previous entry line press twice If the input is cancelled with ESC before the 4th line has been confirmed the complete entry will be deleted and the previo...

Страница 41: ...ENTER to store the setting and to go back to the setting menu If the input is cancelled with ESC the previous setting remains unchanged 6 7 Print Configuration In the Main Menu press F1 to start the...

Страница 42: ...VZM 300 Setting Menu 6 6 D1 2010BA0 GB03...

Страница 43: ...to level the decelerometer Set the numerical value to 0 00 Once this value has been set permissible deviation 0 05 m s 2 the message OK appears Start the offset balance using ENTER 0 1g 7 1 g 8g88 R...

Страница 44: ...eleration sensor check Use F2 to print out all measured values Before starting the offset balance adjust the decelerometer to exactly ahorizontal 0 00 m s 2 at horizontal position Otherwise the output...

Страница 45: ...4 Offset balance Use the adjusting screw to level the decelerometer Set the numerical value to 0 00 Once this value has been set permissible deviation 0 05 m s 2 the message OK appears Start the offse...

Страница 46: ...VZM 300 Check Deceleration Sensors 7 4 D1 2010BA0 GB03...

Страница 47: ...an internal protection circuit If the battery voltage falls below a certain value due to frequent use and the battery is not recharged the user will be prompted by the following display 4 11 6 0 After...

Страница 48: ...tomatically pull in the paper and the paper appears evenly at the top 8 3 Changing the Ribbon Cartridge To change the ribbon cartridge open the top cover of the VZM 300 Lightly press right hand side o...

Страница 49: ...st stop 20 0 01 bar 28 Trig Pressure 2 TT Pressure 2 for autom test start 100 0 01 bar 29 Trig Pressure 2 TT Pressure 2 for autom test stop 20 0 01 bar 30 Trig Pressure 3 TT Pressure 3 for autom test...

Страница 50: ...tput Not active Selection of meas value at analog output 0 Deceleration not corrected 1 Pedal force 2 Tractive force 3 Pressure 1 4 Pressure 2 5 Pressure 3 6 Gyro digit Analog voltage varies from 0 5...

Страница 51: ...ed Print Address 1 0 X Printout of customer address activated Printout of customer address deactivated Print Signature 1 0 X Printout of signature field activated Printout of signature field deactivat...

Страница 52: ...amsN No printout of average deceleration according to ISO amsN Output a ISOab 1 0 X Printout of average deceleration according to ISO amt No printout of average deceleration according to ISO amt Not...

Страница 53: ...rce for autom test start Trig Pedal 1 0 X TT Pedal force for autom test stop Trig Tract Force 1 0 X TT Tractive force for autom test start Trig Tract Force 1 0 X TT Tractive force for autom test stop...

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