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Table of Contents
1. INTRODUCTION ............................................................................ 1
Features .......................................................................................... 2
What it comes with ......................................................................... 3
2. OPERATION BASICS ................................................................... 4
Mounting ......................................................................................... 4
Powering up .................................................................................... 7
Display and Keypad ........................................................................ 8
Menus ........................................................................................... 10
Modes ........................................................................................... 11
Tools ............................................................................................. 13
3. ACCIDENT RECONSTRUCTION USE ....................................... 14
Initial Setup ................................................................................... 14
Get VC4000 Ready ...................................................................... 15
Measuring Drag Factor ................................................................. 19
Testing Brake Performance .......................................................... 20
Measuring Coefficient of Friction .................................................. 21
Light Impact Testing ..................................................................... 23
Measuring slope ........................................................................... 26
Avoiding False Triggering ............................................................. 28
Acceleration Testing ..................................................................... 28
4. TRANSIT USE ............................................................................. 32
Initial Setup ................................................................................... 32
Get VC4000 Ready ...................................................................... 33
Testing Brake Performance .......................................................... 36
5. ENGINEERING USE .................................................................... 38
Initial Setup ................................................................................... 38
Get VC4000 Ready ...................................................................... 38
Testing Brake Performance .......................................................... 41
Acceleration Testing ..................................................................... 43
Monitor Data ................................................................................. 46
6. TOOLS ......................................................................................... 48
Monitor Data ................................................................................. 49
Crash Mode .................................................................................. 55
Calibration Check ......................................................................... 56
Deleted Run .................................................................................. 59
Compass Calibration .................................................................... 60
SD Card Options .......................................................................... 62
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Table of Contents
Related Manuals for Vericom VC4000DAQ
Summary of Contents for Vericom VC4000DAQ
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Page 1: Table Of Contents
Table of Contents 1. INTRODUCTION ................1 Features ..................2 What it comes with ................. 3 2. OPERATION BASICS ..............4 Mounting ..................4 Powering up ..................7 Display and Keypad ................ 8 Menus ................... - Page 2 7. VC4000 SETUP ................65 Junction Box ................99 Setup Flowchart ................67 OBDII Input ................... 99 G-Threshold .................. 69 Tachometer Input ............... 101 Vehicle ID ..................69 Analog Output ................102 Set Defaults ..................
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Page 3: Introduction
The 3 x RS232 ports new VC4000DAQ measures X, Y and Z axis acceleration, yaw rate, USB port compass heading, as well as accepting inputs from external sensors ... -
Page 4: What It Comes With
VC4000 with single cup mounting assembly Power cord (to cigarette lighter) AC wall adapter This section will give you basic operating USB interface cable procedures for the VC4000DAQ. 6 port analog input junction box OBDII CAN interface cable VC4000 manual Profile manual... - Page 5 Alternatively, the VC4000 can be mounted more rigidly by using a Figure 5: Assembly w/single vacuum cup two suction cup kit with brackets attached to the sides of the unit. Figure 3: Dual cup assembly VC4000DAQ Manual VC4000DAQ Manual...
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Page 6: Powering Up
Push a key on the keypad to see if the display comes back. You may have to get back to the READY screen to make the display re-appear. VC4000DAQ Manual VC4000DAQ Manual... -
Page 7: Menus
Enter the numeric 0 or scroll down. Enter information, select a menu item or respond YES ENTER to a prompt. Clear memory, clear information, go back to previous CLEAR screen or respond NO to a prompt. VC4000DAQ Manual VC4000DAQ Manual... -
Page 8: Modes
7. Apply the brakes hard and fast and come to a complete stop. 8. Use the arrow keys to scroll through the data. For further details see application specific sections. For further details see application specific sections. Note: Braking mode always uses 100Hz sample rate. VC4000DAQ Manual VC4000DAQ Manual... -
Page 9: Tools
7. Select Accident Reconst. 8. Click the “Send Setup” key SD Card Copy or erase runs from SD Card Options ALL settings can be changed using Profile. Not all settings can be changed using the VC4000 keypad. VC4000DAQ Manual VC4000DAQ Manual... -
Page 10: Get Vc4000 Ready
VC4000 to compensate for slope and all data will be accurate. When measuring coefficient of friction () you must zero adjust on a level surface. The vehicle must be at a complete stop during zero adjusting. VC4000DAQ Manual VC4000DAQ Manual... - Page 11 Streaming” to use this feature. See Profile help or Profile manual for more details. The VC4000DAQ includes an SD flash memory card on which to store run data. To transfer runs onto the SD flash memory card follow these steps: 1.
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Page 12: Measuring Drag Factor
6. Accelerate the car to the desired initial braking speed. After 6. Accelerate the car to the desired initial braking speed. After reaching the desired initial braking speed, hit the brakes reaching the desired initial braking speed, hit the brakes VC4000DAQ Manual VC4000DAQ Manual... -
Page 13: Measuring Coefficient Of Friction
Ready' and the current G reading. R/T Dist: The distance traveled during the reaction time. (Shows only if externally triggered) 6. Accelerate the car to the desired initial braking speed. After reaching the desired initial braking speed, hit the brakes VC4000DAQ Manual VC4000DAQ Manual... - Page 14 1. Drive to the area where you want to take a measurement, or 8. Press CLEAR / NO twice to get back to the READY screen close, where the slope is the same. Or use Profile to change the accelerometer range. VC4000DAQ Manual VC4000DAQ Manual...
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Page 15: Measuring Slope
Tools screen. record time in seconds, display the run number being saved, and then display: Measure the slope PUSH 1. Drive to the slope you want to measure, facing directly uphill. AUTO START VC4000DAQ Manual VC4000DAQ Manual... -
Page 16: Avoiding False Triggering
(). Then calculate the cosine of that angle. Now divide Gx/2 by that number, which gives you the tangent. Now multiply by 100 to get the % grade. Grade VC4000DAQ Manual VC4000DAQ Manual... - Page 17 Press the Graph/Data key to display graphs of the run. Press Speed, Distance, G-Force, RPM or Sensor. Press the same key again to scroll through multiple graphs, such as pressing the G-Force key to scroll through longitudinal, lateral or vertical G-Force. VC4000DAQ Manual VC4000DAQ Manual...
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Page 18: Transit Use
5. Profile will connect and retrieve the VC4000 setup 6. Click the User Type drop down box 7. Select Transit. 8. Click the “Send Setup” key ALL settings can be changed using Profile. Not all settings can be changed using the VC4000 keypad. VC4000DAQ Manual VC4000DAQ Manual... -
Page 19: Get Vc4000 Ready
(see page 105 for external activation). Plug in other sensors and tachometers. Figure 12: VC4000DAQ back panel Alternatively mount the VC4000 flat and level using the single suction cup mount or the dual bracket option with two suction cups. -
Page 20: Testing Brake Performance
Ready' and the current G reading. The VC4000DAQ includes an SD flash memory card to store run 6. Accelerate the car to the desired initial braking speed. After data onto. To transfer runs onto the SD flash memory card follow... -
Page 21: Engineering Use
VC4000 will start a new braking test using the zero of the vehicle. reference established the last time the Braking key was pressed from the “READY” screen. VC4000DAQ Manual VC4000DAQ Manual... - Page 22 Figure 13: Single mount on windshield Figure 15: VC4000DAQ back panel Turn on external sensors if using them Each external sensor or tachometer must be turned on for the Alternatively mount the VC4000 flat and level using the single VC4000 to record data from it.
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Page 23: Testing Brake Performance
The VC4000DAQ includes an SD flash memory card to store run Information available after a brake test data onto. To transfer runs onto the SD flash memory card follow Use the up ... -
Page 24: Acceleration Testing
The VC4000 can be used to measure to a preset Time, Speed or The VC4000 will record any “Waypoint” reached using any of the Distance. QuickSet™ is Vericom’s term for one button programmed methods. programming for the ¼ mile. It assumes a ¼ mile acceleration run so programming to 1320 feet is not necessary. -
Page 25: Monitor Data
0-30 mph Data from the Vericom VC4000 QuickData™ 0-60 mph 0-80 mph Distance Time Speed G-Force 0-100 ft 1/4 Mile 0-300 ft 1000 ft 0-5 sec 1/8 Mile Custom 330 ft AutoStart 1/4 mile 60 ft 30 ft 4. Choose one of the presets shown or choose Custom. For... -
Page 26: Tools
Below is a list of the tools and a short description of each. Monitor Crash Mode Cal. Check Setup Delete Run Print Compass Calibration SD Card Options VC4000DAQ Manual VC4000DAQ Manual... -
Page 27: Monitor Data
If you choose to save the data, the X, Y and Z axis accelerometers are always stored when saving to memory regardless of which sensor is being displayed. Any sensors that are turned on will also be stored, regardless of whether it is being displayed or not. If you VC4000DAQ Manual VC4000DAQ Manual... - Page 28 VSI must be used. Any of the 27 available sensors that are When Summation is turned on the VC4000 calculates the vector sum turned on will show here. If saving the data, all OBDII sensors listed using: will be saved. VC4000DAQ Manual VC4000DAQ Manual...
- Page 29 150° in one second. The gyro must be turned on to monitor it. Use Setup to turn it on. The display will show the rotation rate in Degrees per second. Rotating counterclockwise is negative and clockwise is positive. VC4000DAQ Manual VC4000DAQ Manual...
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Page 30: Crash Mode
Pitch/roll factors = 0 bottom. The VC4000 does not need to be periodically calibrated. G Range = 6g Vericom offers calibration certificates for those that require annual Sample rate = 1000 calibration. GPS port = port 1 ... - Page 31 Next turn the unit so its top is flat on the level surface, so the vertical accelerometer is reading gravity, -1Gz. The top is the area with the VERICOM logo. Hold it there until the unit beeps. The next prompt is to turn the unit on its right side, with the lateral Figure 20: Calibration check on top accelerometer reading gravity, -1Gy.
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Page 32: Deleted Run
For instance in central California the difference between magnetic north and geographic If you purchased Vericom’s portable thermal printer, one run or all north is 16° to the East. So when the VC4000 shows 16° east you the runs stored in memory can be printed on it from the VC4000. -
Page 33: Sd Card Options
For a more accurate declination chart see web site: http://www.ngdc.noaa.gov/seg/geomag/declination.shtml or search the web for more accurate tools. Figure 24: SD Card slot NOTE: The VC4000 must be mounted relatively level to get the most accurate compass data. VC4000DAQ Manual VC4000DAQ Manual... - Page 34 YES. The SD Card can also be formatted or erased using the VC4000. The SD Card that comes with the VC4000DAQ is pre-formatted. If you use your computer to format the SD Card it must be formatted using FAT filing system, not the FAT32 filing system.
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Page 35: Vc4000 Setup
Following is a flowchart to help you navigate to the setting you may want to change. All of these settings can be changed using Profile software as well, and will be easier using Profile since the settings are laid out on forms. Figure 26: Profile VC4000 setup window VC4000DAQ Manual VC4000DAQ Manual... - Page 36 Discharge Battery Analog Out Factory Maintenance Long Accel (Gx) Lat Accel (Gy) Vert Accel (Gz) G-Summation TACH 1 TACH 2 TACH 3 TACH 4 Rate Gyro Compass Speed GPS Speed GPS On/Off GPS Sensors GPS Speed VC4000DAQ Manual VC4000DAQ Manual...
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Page 37: G-Threshold
2. Type in the new ID using the keypad Tach Factors: All OFF 3. Press ENTER / YES. G Threshold note: Units shipped with requested New York State specifications have a default threshold of 0.100 G. VC4000DAQ Manual VC4000DAQ Manual... -
Page 38: Date/Time
Gy (roll) and Gz adjust will have no affect. G-adjustment (Pitch Factor) for that particular vehicle. Summary: 9.2deg/sec * 0.25sec = 2.3 degrees. Sine 2.3 = 0.040. 1 - 0.040 = 0.960 pitch factor. VC4000DAQ Manual VC4000DAQ Manual... -
Page 39: User Type
Reaction Time change how the test starts and will change other user settings. Reaction Time distance Elapsed Time Accident Reconstruction: Speed Display – Brake mode: Distance Reaction Time Reaction Time distance VC4000DAQ Manual VC4000DAQ Manual... -
Page 40: Rs232 Port
Peak ± Gy (only if summation off) Peak Gx and the time it occurred under 0.75 seconds G every 0.10 sec The VC4000DAQ has 3 RS232, or serial ports. Each can be configured to function as: Display – Acceleration mode: ... -
Page 41: Brake Mph
1 Compass 1 yaw rate gyro 4 tachometer inputs (needs external hardware also) The VC4000DAQ has several sensors that can be configured. 2 digital inputs (event markers) Compass The compass built into the VC4000 is a two-axis magnetometer, which will give the heading of the vehicle, which is the direction the vehicle is pointing, from 0 to 360°... - Page 42 CAN/Tach splitter is must be used. 1. Select Sensors… from the Setup menu 2. Select Sensors Internal Vericom recommends using our tachometer adapters to make sure the signals are clean and the voltages are correct. 3. Select Compass 4. Select On-Record To turn the Tachometers on: 1.
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Page 43: Analog Sensors
There are more parameters available on OBDII but the others are the sensor. When zero adjusting is selected the VC4000DAQ will not normally used so for the sake of simplicity they are not listed. -
Page 44: Tach On/Off
GPS Sensors See Sensors Internal/Tachometers. Vericom has a 5Hz GPS sensor that connects to one of the RS232 ports on the VC4000. With it GPS position can be stored for the beginning of the test and the end of the test. Also GPS Speed can be stored every 5Hz. -
Page 45: Accelerometer Setup
“G” is the summation of X Y vectors “Gz” is the vertical axis VC4000 mounted at any angle Uses the summation of X Y and Z Summation 3D (XYZ) vectors for calculations “G” is the summation of X Y Z vectors VC4000DAQ Manual VC4000DAQ Manual... -
Page 46: G Smoothing
The VC4000 must be mounted with the front to back and side Default is smooth factor of 3 for each axis. to side level with the road surface when using 2D summation. Use the bubble levels if the surface is level. VC4000DAQ Manual VC4000DAQ Manual... -
Page 47: Zeroing On/Off
VC4000 is considered to be similar for all vehicles Default alarm threshold is turned off, 0.0. designed to be driven on the highways including motorcycles, passenger cars, semi tractor trailers and most off road vehicles. The VC4000DAQ Manual VC4000DAQ Manual... -
Page 48: Sample Rate
HP and torque. To set the Vehicle Weight: 1. Select Performance… from the Setup menu 2. Select Vehicle Weight 3. Type in a number from 1 to 9999. 4. Press ENTER / YES. Default weight is 1000. VC4000DAQ Manual VC4000DAQ Manual... -
Page 49: Maintenance
To calculate the total storage time when extra sensors are used, use 2096400 the formula: ) 3 sensors sample rate Example: 100Hz sample rate, 3 extra sensors turned on: 2096400 2096400 3494 seconds VC4000DAQ Manual VC4000DAQ Manual... -
Page 50: Internal Sensors
If more than one must be mounted within 10 degrees so the field strength of the tachometer is required the CAN/Tach splitter must be used. Vericom earth’s magnetic core is even. The compass must be turned on in recommends using our tachometer adapters to make sure the Setup to monitor it, and must be on with Record to save to memory signals are clean and the voltages are correct. -
Page 51: Analog Sensor Input
Figure 36: RJ45 connector Figure 35: CAN\Tach\Dig. In wiring Plug the digital input cable directly into the VC4000 “CAN/Tach 1-4” connector or if using the CAN bus or tachometers plug the cable into the CAN/Tach splitter. VC4000DAQ Manual VC4000DAQ Manual... -
Page 52: Junction Box
Junction box: The junction box is necessary to connect more than two sensors to the VC4000DAQ. The output cable from the junction box connects to one of the RJ45 connectors on the back of the VC4000 marked After locating the OBDII connector and with vehicle running connect “Sensors 0-5V”. -
Page 53: Tachometer Input
Tach 1. If more than one Engine RPM coil, inductive, magnetic tachometer is required the CAN/Tach splitter must be used. Vericom Drive shaft RPM magnetic recommends using our tachometer adapters to make sure the... -
Page 54: Gps Input
See Setup/Sensors…/Analog out on page 84 to choose a sensor. GPS Input Vericom has a 5Hz GPS sensor that connects to RS232 port one on the VC4000. With it GPS position can be stored at the beginning of the test and at the end of the test. Also GPS Speed can be stored at... -
Page 55: External Activation
Vericom Computers, Inc. Or make your own using a connector External Activation and solder sockets available from electronics distributors. BOM: Figure 45: Brake pedal activation switch Description Part Number Molex SL 0.10” crimp housing, Version G Molex, 50-57-9404 2x Box crimp terminals... -
Page 56: Review - Print Data
Any changes to setup such as Pitch factor the brake pedal. The VC4000 should run for 10.00 seconds then or User Type will change how the data is presented or change the shut off. calculated values. VC4000DAQ Manual VC4000DAQ Manual... -
Page 57: Print Runs
Store to SD Flash drive Requires initialization Requires connection setup to computer From the menu select “SD Card Options”. The VC4000DAQ is designed for use with the PC compatible © Copy All Runs software "Profile ". With Profile, Time, Longitudinal G, Lateral G,... -
Page 58: Rs232 Ports
“RS232 (2,3) is port 2 and 3. Vericom’s RS232 splitter is required to use port 3 or use ports 2 and 3 at the same time. RS232 Ports Figure 51: RS232 two port splitter To transfer data from the VC4000 to Profile using a computers RS232 serial port, Vericom’s RJ12 to 9 pin DSub cable must be... -
Page 59: Bluetooth
Bluetooth is slower than USB. Long delays may occur when using computer does not have it built in a USB to Bluetooth converter is Bluetooth so be patient when importing using Profile and Bluetooth available from Vericom Computers, Inc. or at most electronic communication. retailers. -
Page 60: Updating Firmware
From the Profile 4 CD b. Download from the VC4000 support page 2. Download latest firmware from web site. See above link. 3. Start the reflash program found at Start/Programs/Vericom Computers/VC4000 Reflash. 4. Before starting the process plug the wall adapter into the VC4000 so the battery won't go dead in the middle of an operation. -
Page 61: Charging The Battery
Warranty 800 milli Amps or greater to operate, so most regulated 12V battery chargers will work. Suitable chargers are available from Vericom Computers, Inc. The center conductor of the VC4000 power adapter The manufacturer warrants that the VC4000 computer will be free is positive, and the connector has a 5mm OD and a 2.1mm ID. - Page 62 Description of problem d) OBDII engine speed Method of payment Description of any upgrades or repairs since purchased For service, repair or product information contact: Vericom Computers, Inc. 14320 James Rd Suite 200 Rogers, MN 55374 763-428-1381 Fax 763-428-4856 vericom@vericomcomputers.com www.vericomcomputers.com...
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Page 63: Troubleshooting
71 to adjust pitch and roll factor. ARITHMETIC Divide by 0 error. Power off and back on Settle time was calculated wrong. Import to EXCEPTION Profile and set it manually. Vibration: Mount level and turn Summation to VC4000DAQ Manual VC4000DAQ Manual... -
Page 64: Specifications
10,000 G Dimensions: 6.75 inches long, 3.50 inches high, 4.40 inches deep Bandwidth/sample rate: 1 - 1000Hz Accuracy: ±0.0030 G Manufacturer: Vericom Computers, Inc. 14320 James Rd Analog Sensor input Suite 200 Range: 0 – 5VDC Rogers, MN 55374 Resolution:... - Page 65 This page intentionally left blank This page intentionally left blank...
- Page 66 *******DO NOT PRINT THIS PAGE******* Revision History Date Revision Changes Feb 11, 2008 Original release Removed baud rate Feb 13, 2008 Added revision to first page Pages divisible by 4 Make “key” and “press” consistent ...
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