ULFIA CMT-2 User Manual Download Page 7

Page: 7 / 14

ULFIA Elektronik AB

24-0025-3201-64

CMT-2 Test box

2003-04-21 U.A.

rev. 1

page 7 of 14

Connecting the test box to processor ALPHA 8.2

ULFIA Elektronik AB

DRUM

SENSOR

connector

DRUM

SENSOR

ROLLER
CABLE

COMPACTION
METER
PROCESSOR
ALPHA 8.2
(grey plastic case)

12Vdc

BATTERY

POWER SUPPLY

POWER &

INSTRUMENT

connector

RECORDER

connector

12.0

MULTIMETER
DC,AC,

Ω

POWER
connection

CMV
instrument

TEST BOX

CMT-2

Use only this battery connection

when

not

connected to the roller.

Summary of Contents for CMT-2

Page 1: ... test 6 processor power to sensor 11 test 7 sensor signal from sensor 11 test 8 processor and CMV indicator CMV bouncing range 12 test 9 processor CMV signal to recorder or onboard computer 13 test 10 processor frequency output to recorder 13 test 11 processor analog voltage output for vibration frequency 13 test 12 processor analog voltage output for vibration amplitude 13 Update notes 14 Attachm...

Page 2: ...A 24 0025 1 Carrying case black 450x350x130mm TEAM ET 354105 1 User s manual ULFIA 24 0025 3201 64 1 Basic test guide with CMT 2 24 0025 3201 64 1 Test lead 4mm plugs red 1m Hirschmann MLN 1 Test lead 4mm plugs black 1m 1 Crocodile clip 4mm socket red insulated Deltron 567 1 Crocodile clip 4mm socket black insulated 1 Equipment parts list ...

Page 3: ...24 0025 3201 64 CMT 2 Test box 2003 04 21 U A rev 1 page 3 of 14 Connections to CMT 2 unit ULFIA E lektronik AB PROCESSOR EXTENSION PROCESSOR RECORDER PROCESSOR SENSOR ROLLER CABLE SENSOR CABLE PROCESSOR SUPPLY INSTRUMENT ...

Page 4: ... ULFIA 49 0076 The processor and sensor could also be checked in a service location An external power supply or battery is then connected to the test box The following tests could be done SENSOR signal output DC voltage constant voltage with or without vibration AC voltage when the sensor is vibrating cable to sensor PROCESSOR Power supply voltage output to recorder or onboard computer sensor CMV ...

Page 5: ...k AB DRUM SENSOR connector DRUM SENSOR ROLLER CABLE COMPACTION METER PROCESSOR CMP 2B black metal case 12Vdc BATTERY or POWER SUPPLY POWER INSTRUMENT connector RECORDER connector 4 ways male 12 0 MULTIMETER DC AC Ω POWER connection CMV indicator TEST BOX CMT 2 Use only this battery connection when not connected to the roller EXTENSION connector ...

Page 6: ...ector DRUM SENSOR ROLLER CABLE COMPACTION METER PROCESSOR CMP 2B black metal case 12Vdc BATTERY or POWER SUPPLY POWER INSTRUMENT connector RECORDER and SERIAL PORT connector 7 ways female 12 0 MULTIMETER DC AC Ω POWER connection CMV indicator TEST BOX CMT 2 Use only this battery connection when not connected to the roller EXTENSION connector adapter cable 49 0076 ...

Page 7: ...ULFIA Elektronik AB DRUM SENSOR connector DRUM SENSOR ROLLER CABLE COMPACTION METER PROCESSOR ALPHA 8 2 grey plastic case 12Vdc BATTERY or POWER SUPPLY POWER INSTRUMENT connector RECORDER connector 12 0 MULTIMETER DC AC Ω POWER connection CMV instrument TEST BOX CMT 2 Use only this battery connection when not connected to the roller ...

Page 8: ......

Page 9: ...for selecting CMV value and bouncing value CMV SENSOR SIGNAL for measuring the sensor signal FREQUENCY switch for selecting vibration frequency INDICATOR PUSH BUTTON CMV range indicating selecting 0 50 CMV range BOUNCING indicating selecting bouncing DMM socket connectors 4mm for connecting the digital multimeter DMM EXTERNAL 12V DC socket connectors 4mm for connecting a DC voltage of about 11 14V...

Page 10: ...connected to the EXTERNAL 12V DC sockets and the processor and sensor could be checked ATTENTION make sure that you are connecting with the correct polarity Check that all units are connected to the test box Switch on the power to the compaction meter system or to the EXTERNAL power source Check that the POWER lamp on the test box is on Place the rotary switches on the test box in the following po...

Page 11: ...age supply from processor RECORDER connector to pen recorder or onboard computer e g CCS RA2 CMP 2B ALPHA 8 2 0 7 to 1 2V below voltage level in test 1 5 not used 6 DC voltage supply to sensor from processor SENSOR connector 0 8 to 1 5Vdc below voltage level in test 4 with sensor connected 7 DC voltage from sensor to processor SENSOR connector without vibrations 2 9 to 3 4Vdc When the drum is vibr...

Page 12: ...cing indicator CMV range indicator 150 20 OFF OFF 4 8 5 2 145 155 OFF OFF ON OFF 4 8 5 2 145 155 ON OFF 100 16 ON OFF 3 2 3 5 95 105 OFF OFF OFF OFF 3 2 3 5 95 105 OFF OFF 50 OFF OFF 1 5 1 73 45 55 OFF OFF OFF ON 4 8 5 2 48 52 OFF ON 0 OFF OFF 0 1 0 1 0 5 OFF OFF With frequency correction selected on the processor Frequency selected on calibrator FREQ CORR rotary switch on processor rpm Hz positio...

Page 13: ...1 0 1 10 Vibration frequency pulses from processor RECORDER connector to frequency meter or onboard computer e g CCS RA2 CMP 2B CMP 3 ALPHA 8 2 6 to 8Vac 11 DC voltage proportional to vibration frequency on EXTENSION connector CMP 2B ALPHA 8 2 Scale factor 0 5Vdc 10Hz Frequency selected on CMT 2 calibrator DMM reading typical rpm Hz Vdc 1500 25 1 25 1700 28 3 1 41 2000 33 3 1 67 2500 41 7 2 08 300...

Page 14: ...ev 1 page 14 of 14 Rev 1 2003 04 21 Test 2 Range of resistance for CMV indicator 85mm 428 524 ohms Range of resistance for CMV indicator 80mm 890 925 ohms Test 6 DC supply voltage to sensor 0 8 to 1 5Vdc below voltage level in test 4 with sensor connected Update notes ...

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