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ECM BB100, Instruction Manual, Page: 30 / 37

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Summary of Contents for BB100

Page 1: ...Engine Blow by Meter Model BB100 Instruction Manual 9 00 Part No 100A 7...

Page 2: ...anual may be photocopied or reproduced in any form without prior written consent from ECM ENGINE CONTROL AND MONITORING Information and specifications subject to change without notice BB100 and BBremo...

Page 3: ...ote Serial Communication Software 12 Specifications and Limits 15 Measurements and Accuracy 15 Operational Limits 15 Output Specifications 15 Serial Port Programming Interface Description 16 General I...

Page 4: ...ii...

Page 5: ...ology Other measurement technologies such as orifice based techniques give large errors ex 10 or greater if not corrected for blow by temperature pressure composition and viscosity Features of the BB1...

Page 6: ...10 100A 3 4 AC DC Adapter 100A 4 5 AMP connector and terminals for Power Input 100A 5 same connector as on AC DC Adapter 6 PC Software 100A 6 7 Instruction Manual 100A 7 The following are available op...

Page 7: ...Do not try to remove the flow target from the flow passage inside the meter The flow target s positioning affects the meter s calibration If material is condensed in the flow passage a pipe cleaner or...

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Page 9: ...is relevant Engine emissions testing Blow by is often recirculated into the intake of the engine and can affect emissions Piston ring testing or development A good ring gives low blow by Lubricant te...

Page 10: ...actual The BB100 has small integral damping tanks and ECM has found that with 10 of hose separating the engine from the BB100 no damping tank was required for a 5 7L V8 engine even at idle With a 2L...

Page 11: ...Figure 1a Closed Crankcase PCV System Figure 1b Using the BB100 to Measure Engine Blow by How to Use 7...

Page 12: ...Figure 2a Open Crankcase Road Draft System Figure 2b Using the BB100 to Measure Engine Blow by 8...

Page 13: ...w by to a room where people are in because blow by is essentially exhaust poisonous 4 The outer tanks of the BB100 can be installed so that the inlet or outlet point left or right No matter what direc...

Page 14: ...total flow The modes are indicated by the 3 LEDs The available modes are 1 Liters per Minute if the LPM LED is on 2 Cubic Feet per Minute if the CFM LED is on 3 Total Flow in Liters if the LPM and TO...

Page 15: ...Averaging Period This is the period over which the meter measures the flow to update the flowrate and total flow Options are 0 1s 0 2s 0 5s 1 0s 2 0s 5 0s 8 0s When the BB100 is shipped from ECM the...

Page 16: ...that data acquisition systems have their poorest accuracy at the extremes of their ranges ex 0 and 5 V The choice of 0 5 and 4 5 V assures that the data acquisition system will be able to accurately...

Page 17: ...h voltage condition of the analog output on the BB100 For LPM and CFM operating modes this is the value at 5 0 V For the Liters Total and Cubic ft Total this is the value at 4 5 V Flow Averaging Perio...

Page 18: ...Setup Sets the real time plot type LPM CFM etc and the plot scales The protocol to communicate with the BB100 is in the Serial Port Programming Interface Description section With the information conta...

Page 19: ...and Total Ft3 volume Output Impedance 100 Ohm Output Connector Female BNC Signal Center Ground Shell Note The analog output ground is internally connected to the power ground Display and Analog Outpu...

Page 20: ...e changed on the front panel during remote operation without affecting the flow values received by the data acquisition system Serial Port Commands The external computer may issue commands to the BB10...

Page 21: ...his command is acknowledged 8 Clear BB100 serial port receive buffer May be used to recover from serial port data errors This command is acknowledged Download Selection Command A Download Selection co...

Page 22: ...the packet of real time data uploaded with a poll command Upload Selection Command An Upload Selection command to the BB100 consists of a header and the one byte index sent twice A total of 7 bytes mu...

Page 23: ...Black connector to mate to cable P N 100A 3 AMP 206060 1 plug AMP 206062 1 clamp AMP 66105 4 sockets 4 req Fuse Internal automatically resetable Pipe Plug Size 1 8 NPT 4 places Tank Screw Size 4 40 3...

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Page 25: ...in the tube and near the vortex generator receiver or transmitter it should be removed To do this a pipe cleaner or gun barrel brush with plastic bristles and acetone are recommended Do not run the en...

Page 26: ...space between the frequency and the LPM and both the frequency and the LPM must have a decimal point 12 25 1998 the date in format month day year 0 0 0 0 the first data point in format frequency LPM...

Page 27: ...2 Damaged ultrasonic receiver and or transmitter Solution Contact ECM 3 Only one segment of the display lights Probable cause One of the two power grounds has been incorrectly wired Solution Correctly...

Page 28: ...If meter is too jumpy make display and analog output update rate slower and flow averaging period longer See Programming the BB100 on page 11 for more information 24...

Page 29: ...does not leak before testing the engine Vent the output gases from the BB100 away from people The gases are exhaust and poisonous Route and cable tie all hoses and cables away from hot moving sharp hi...

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Page 31: ...ling are hereby disclaimed The warranty is void if the BB100 is disassembled beyond its four tanks LIMITATION OF REMEDY Seller s liability arising from or in any way connected with the items sold and...

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Page 34: ...Los Altos CA 94023 0040 USA 408 734 3433 Fax 408 734 3432 www ecm co com...

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